It's a song to help pupils remember the order of planets.
Thursday 3 November 2011
Wednesday 2 November 2011
Science Project(4)~~ make the rainbow
Introduction:
Sunlight or electric light is called 'white light', because it appears to be colourless. The reality is that 'white light' is made up of a mixture of different colours called a 'spectrum', when broken up. These colours can be observed when white light passes through a transparent substance, such as water or glass. A 'spectrum' consists of the seven colours of the rainbow: red, orange, yellow, green, blue and violet – as well as two other invisible colours called: ultra-violet and infra-red. Isaac Newton used a 'prism' to split up white light into different colours. In this science experiment we will use water and a mirror to do the same.
Materials:
LARGE, DEEP TRAY
WHITE CARDBOARD
MIRROR
TAP WATER
Procedure:
1. Fill a large, deep tray with some water and place it up against a wall outside on a sunny day. Position the tray so that the sunlight falls onto the mirror.
2. Rest a flat mirror upright against the inside, so that it is supported by the wall if necessary.
3. Hold a sheet of white cardboard in front of the mirror and move it around until a rainbow of colours appears on it! You might have to adjust the position of the mirror and the cardboard several times to get the best results.
Sunlight or electric light is called 'white light', because it appears to be colourless. The reality is that 'white light' is made up of a mixture of different colours called a 'spectrum', when broken up. These colours can be observed when white light passes through a transparent substance, such as water or glass. A 'spectrum' consists of the seven colours of the rainbow: red, orange, yellow, green, blue and violet – as well as two other invisible colours called: ultra-violet and infra-red. Isaac Newton used a 'prism' to split up white light into different colours. In this science experiment we will use water and a mirror to do the same.
Materials:
LARGE, DEEP TRAY
WHITE CARDBOARD
MIRROR
TAP WATER
Procedure:
1. Fill a large, deep tray with some water and place it up against a wall outside on a sunny day. Position the tray so that the sunlight falls onto the mirror.
2. Rest a flat mirror upright against the inside, so that it is supported by the wall if necessary.
3. Hold a sheet of white cardboard in front of the mirror and move it around until a rainbow of colours appears on it! You might have to adjust the position of the mirror and the cardboard several times to get the best results.
Saturday 29 October 2011
Friday 28 October 2011
Science Project(3)~~ make a sundial to tell the time
Introduction:
At the same time the Egyptians invented the 'shadow clock', other cultures also developed a need to organize their time more efficiently. Amongst others, the Chinese, Greeks and the Romans developed another device for telling the time known as a 'sundial'. Sundials do not necessarily work better than shadow clocks, it is just a slight variation to the shadow clock. Make your own 'sundial' to tell the time in this science experiment.
Materials:
PROTRACTOR
STIFF CARD
COMPASS
THICK CARDBOARD
GLUE
SCISSORS
Procedure:
1. On a stiff piece of cardboard, draw a right angled triangle as in the diagram above. The short sides of the triangle should be about 150mm long, whereas the long side will be about 200mm, depending on the longitudinal angle used for your town. Make sure that you also add the base, below the dotted line.
2. Cut out the triangle, and make a fold along the dotted line to form the base for the triangle to stand on.
3. Make a thick base for your sundial out of corrugated cardboard or wood of about 150x300mm in size. Draw a semi-circle on the base as shown in the diagram above.
4. Glue the folded part of the triangle firmly to the base and place the sundial on a flat surface outside so that the triangle points north / south.
5. Mark the position of the shadow that falls on the base every hour. Notice that the shadow travels the same distance along the semi-circle every hour. On a sunny day you will now be able to tell the time by looking at the position of the shadow on your sundial!
At the same time the Egyptians invented the 'shadow clock', other cultures also developed a need to organize their time more efficiently. Amongst others, the Chinese, Greeks and the Romans developed another device for telling the time known as a 'sundial'. Sundials do not necessarily work better than shadow clocks, it is just a slight variation to the shadow clock. Make your own 'sundial' to tell the time in this science experiment.
Materials:
PROTRACTOR
STIFF CARD
COMPASS
THICK CARDBOARD
GLUE
SCISSORS
Procedure:
1. On a stiff piece of cardboard, draw a right angled triangle as in the diagram above. The short sides of the triangle should be about 150mm long, whereas the long side will be about 200mm, depending on the longitudinal angle used for your town. Make sure that you also add the base, below the dotted line.
2. Cut out the triangle, and make a fold along the dotted line to form the base for the triangle to stand on.
3. Make a thick base for your sundial out of corrugated cardboard or wood of about 150x300mm in size. Draw a semi-circle on the base as shown in the diagram above.
4. Glue the folded part of the triangle firmly to the base and place the sundial on a flat surface outside so that the triangle points north / south.
5. Mark the position of the shadow that falls on the base every hour. Notice that the shadow travels the same distance along the semi-circle every hour. On a sunny day you will now be able to tell the time by looking at the position of the shadow on your sundial!
Thursday 27 October 2011
Science Project(2) ~~ which material works best as a heat insulator
Introduction:
Air can be quite an effective heat insulator as it does not let heat pass through it easily. A thermos flask, polystyrene cup, or double glazed windows are all good examples of a layer of air acting as a form of insulation against heat loss. Insulating an object can then prevent heat from either moving into an object as well as preventing heat moving out of an object. Test some ordinary household materials in the following science experiment to test which works best as an insulator against heat loss.
Materials:
4x GLASS JARS
RUBBER BANDS
HOT WATER
WOOL SOCK
ALUMINIUM FOIL
NEWSPAPER
BUBBLE WRAP
THERMOMETER
Procedure:
1. Pour some hot water into four equally sized glass jars to exactly the same level about ¾ full.
2. Place the jars in a row on a table or even work surface and cover each of the jars with one of the following household materials: Wool sock, aluminium foil, newspaper and bubble wrap. Secure each of the materials over the mouths of the jars with rubber bands.
3. Leave the jars for about 5 minutes and then remove the covers. Use a thermometer to measure the temperatures of each of the jar's contents and record your results. Place the covers back after taking the readings.
4. Repeat step 4 every five minutes for about 25 minutes or until the water becomes to cool to have any significant effect on the experiment results. Record your results in a chart.
5. The jug with the warmest water had the best insulator as a cover!
Air can be quite an effective heat insulator as it does not let heat pass through it easily. A thermos flask, polystyrene cup, or double glazed windows are all good examples of a layer of air acting as a form of insulation against heat loss. Insulating an object can then prevent heat from either moving into an object as well as preventing heat moving out of an object. Test some ordinary household materials in the following science experiment to test which works best as an insulator against heat loss.
Materials:
4x GLASS JARS
RUBBER BANDS
HOT WATER
WOOL SOCK
ALUMINIUM FOIL
NEWSPAPER
BUBBLE WRAP
THERMOMETER
Procedure:
1. Pour some hot water into four equally sized glass jars to exactly the same level about ¾ full.
2. Place the jars in a row on a table or even work surface and cover each of the jars with one of the following household materials: Wool sock, aluminium foil, newspaper and bubble wrap. Secure each of the materials over the mouths of the jars with rubber bands.
3. Leave the jars for about 5 minutes and then remove the covers. Use a thermometer to measure the temperatures of each of the jar's contents and record your results. Place the covers back after taking the readings.
4. Repeat step 4 every five minutes for about 25 minutes or until the water becomes to cool to have any significant effect on the experiment results. Record your results in a chart.
5. The jug with the warmest water had the best insulator as a cover!
Wednesday 26 October 2011
Science Project（1）~~ tell the time with your own water clock
Introduction ( Method)
Since ancient times people needed to be able to tell time. These days, we use digital wrist watches or electric clocks to accurately tell the time, but in the old days telling time was not such a convenient task. They used hourglasses, candle clocks and a device called a water clock. Do the following science experiment to learn how water can be used to tell time:
Materials:
MARKING PEN
STOP WATCH
SMALL NAIL
BOOKS
TAP WATER
2x TRANSPARENT PLASTIC CONTAINERS
STICKY TAPE
How To Proceed:
1. Make two plastic containers by asking an adult helper to cut in half two 1L plastic water bottles, so that you have two large transparent plastic 'cups'
2. Use a thin nail to make a small hole in the centre of the bottom of one of these containers. Place a piece of sticky tape over the hole and fill this container with some water.
3. Build a 'stand' out of books or similar objects so that the empty container fits in below the container with the water and the hole.
4. With the configuration as above, quickly remove the piece of tape and ask a friend to start the stop watch at the same time to start timing the water dripping from the hole in the top container to the bottom container.
5. After 1 minute, use the magic marker to mark the '1 minute' water level on the bottom container. Keep on marking the water levels at one minute intervals until all the water has dripped into the bottom container.
6. Tape the hole, and refill the top container with the water from the bottom container. Set up as before and remove the tape. This time you do not need the stop watch, as you now have a 'water clock' that tells the time in minutes!
Since ancient times people needed to be able to tell time. These days, we use digital wrist watches or electric clocks to accurately tell the time, but in the old days telling time was not such a convenient task. They used hourglasses, candle clocks and a device called a water clock. Do the following science experiment to learn how water can be used to tell time:
Materials:
MARKING PEN
STOP WATCH
SMALL NAIL
BOOKS
TAP WATER
2x TRANSPARENT PLASTIC CONTAINERS
STICKY TAPE
How To Proceed:
1. Make two plastic containers by asking an adult helper to cut in half two 1L plastic water bottles, so that you have two large transparent plastic 'cups'
2. Use a thin nail to make a small hole in the centre of the bottom of one of these containers. Place a piece of sticky tape over the hole and fill this container with some water.
3. Build a 'stand' out of books or similar objects so that the empty container fits in below the container with the water and the hole.
4. With the configuration as above, quickly remove the piece of tape and ask a friend to start the stop watch at the same time to start timing the water dripping from the hole in the top container to the bottom container.
5. After 1 minute, use the magic marker to mark the '1 minute' water level on the bottom container. Keep on marking the water levels at one minute intervals until all the water has dripped into the bottom container.
6. Tape the hole, and refill the top container with the water from the bottom container. Set up as before and remove the tape. This time you do not need the stop watch, as you now have a 'water clock' that tells the time in minutes!
Measuring Time
Time plays an important role in our lives. In ancient times, ancient clock make use of processes that repeat uniformly to measure time. These are pictures of some ancient clocks.
Sundial
Sand Clock
Water Clock
Pendulum
Nowadays, we use standard tools for measuring time:
Wall Clock
Stop Watch
Alarm Clock
Watch
Sundial
Sand Clock
Water Clock
Pendulum
Nowadays, we use standard tools for measuring time:
Wall Clock
Stop Watch
Alarm Clock
Watch
Tuesday 25 October 2011
Saturday 22 October 2011
Tips for teaching Science to primary school children
Teaching primary science involves planning and preparation to create an effective, hands-on curriculum. By engaging the kids in interactive projects, you give them the opportunity to explore basic science concepts and relate them to the world. A balance of activities makes the teaching approach more effective for students with different learning styles.
Instructions:
1. Outline the topics you'll teach the primary school students. Refer to the curriculum guidelines or the primary science textbook if you're using one. List the main topic and the subtopics under each one. Refer to this outline as you plan the specific activities for each topic.
2. Create a time line for the teaching topics. Determine how much time you need for each chapter. Refer to the school year calendar to pencil in approximate dates for each part of the curriculum.
3. Write the goals or expected outcomes for each chapter. This will include what the primary students should understand about the concept and what they will do to demonstrate an understanding. It might include completing a particular science task, taking a written test or verbally explaining the concept. Keep these goals in mind as you plan the activities.
4. Plan an introductory activity for each chapter or concept. A demonstration such as a science experiment or video clip is a good way to pique the interest of the primary students. Conducting a quick prior knowledge assessment such as a KWL chart is another good way to introduce a new chapter.
5. Choose at least one hands-on activity for the kids for each subtopic. This might include a science experiment, building a 3-D model or creating a science-related art project. The specific subtopic will help plan the specific activity that works well. Create a list of materials needed so you are prepared for the activity when you reach that point in the curriculum.
6. Select children's books to complement the primary science curriculum. Choose both fiction and nonfiction children's books for variety.
7. Fill in the science lessons with a mixture of textbook work, paper-and-pencil activities and science games. You can easily customize classic kids' games to fit the science topics you're studying. Games such as Memory, "Jeopardy!" and Bingo work well. This gives the kids an alternative way to practice the science concepts.
8. Use science journals with the primary students to help them record their observations. There are many uses for science journals. They can draw pictures of science observations, write predictions about science events or answer daily science questions as a warm-up activity.
Instructions:
1. Outline the topics you'll teach the primary school students. Refer to the curriculum guidelines or the primary science textbook if you're using one. List the main topic and the subtopics under each one. Refer to this outline as you plan the specific activities for each topic.
2. Create a time line for the teaching topics. Determine how much time you need for each chapter. Refer to the school year calendar to pencil in approximate dates for each part of the curriculum.
3. Write the goals or expected outcomes for each chapter. This will include what the primary students should understand about the concept and what they will do to demonstrate an understanding. It might include completing a particular science task, taking a written test or verbally explaining the concept. Keep these goals in mind as you plan the activities.
4. Plan an introductory activity for each chapter or concept. A demonstration such as a science experiment or video clip is a good way to pique the interest of the primary students. Conducting a quick prior knowledge assessment such as a KWL chart is another good way to introduce a new chapter.
5. Choose at least one hands-on activity for the kids for each subtopic. This might include a science experiment, building a 3-D model or creating a science-related art project. The specific subtopic will help plan the specific activity that works well. Create a list of materials needed so you are prepared for the activity when you reach that point in the curriculum.
6. Select children's books to complement the primary science curriculum. Choose both fiction and nonfiction children's books for variety.
7. Fill in the science lessons with a mixture of textbook work, paper-and-pencil activities and science games. You can easily customize classic kids' games to fit the science topics you're studying. Games such as Memory, "Jeopardy!" and Bingo work well. This gives the kids an alternative way to practice the science concepts.
8. Use science journals with the primary students to help them record their observations. There are many uses for science journals. They can draw pictures of science observations, write predictions about science events or answer daily science questions as a warm-up activity.
Wednesday 19 October 2011
The Earth ( In Chinese Subtitle)
I showed this video during my Science lesson. The pupils were attracted by the content of it. It was a sucessful lesson. Hurray!!!
Sunday 16 October 2011
Saturday 15 October 2011
Thursday 13 October 2011
Micro Teaching
I was doing micro teaching yesterday. What a mess, I made a lot of mistake due to too nervous.
I brought a real tadpole and a real frog to show to the pupils. The pupils were so excited because they haven't seen the real tadpole and real frog before.
The lesson was going on smoothly at the beginning, but it became lost control at the end. I started to stutter and the worse thing was:
I FORGOT TO MENTION THE TOPIC OF THE LESSON!!!!
My goodness!!!
I brought a real tadpole and a real frog to show to the pupils. The pupils were so excited because they haven't seen the real tadpole and real frog before.
The lesson was going on smoothly at the beginning, but it became lost control at the end. I started to stutter and the worse thing was:
I FORGOT TO MENTION THE TOPIC OF THE LESSON!!!!
My goodness!!!
Monday 10 October 2011
Sunday 9 October 2011
Sunday 2 October 2011
What Is Science
The word science comes from the Latin "scientia," meaning knowledge.
How do we define science? According to Webster's New Collegiate Dictionary, the definition of science is "knowledge attained through study or practice," or "knowledge covering general truths of the operation of general laws, esp. as obtained and tested through scientific method [and] concerned with the physical world."
What does that really mean? Science refers to a system of acquiring knowledge. This system uses observation and experimentation to describe and explain natural phenomena. The term science also refers to the organized body of knowledge people have gained using that system. Less formally, the word science often describes any systematic field of study or the knowledge gained from it.
How do we define science? According to Webster's New Collegiate Dictionary, the definition of science is "knowledge attained through study or practice," or "knowledge covering general truths of the operation of general laws, esp. as obtained and tested through scientific method [and] concerned with the physical world."
What does that really mean? Science refers to a system of acquiring knowledge. This system uses observation and experimentation to describe and explain natural phenomena. The term science also refers to the organized body of knowledge people have gained using that system. Less formally, the word science often describes any systematic field of study or the knowledge gained from it.
Thursday 29 September 2011
Tuesday 27 September 2011
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