Science 2nd grade | UNIT 6: The earth and the sun 6.3 Changing shadows booklet
Science 2nd grade | UNIT 6: The earth and the sun 6.3 Changing shadows booklet
- UNIT 1: Going outside
- UNIT 2: Looking at rocks
- UNIT 3: Changing materials
- UNIT 4: Light and dark
- UNIT 5: Electricity
- UNIT 6: The earth and the sun
- Reference
Activity 6.3a (Do shadows move?)
You will need: chalk - a sunny day
Go outside at different times. Ask a friend to draw round your shadow. Stand in the same place each time or your test will be unfair.
What do you think will happen? Will your shadow be in the same place each time?
This is a sundial. Can you see the shadow?
As the Earth turns past the Sun, shadows move too.
On a sundial the shadow tells the time. Look at the picture. Can you tell what time it is?
Activity 6.3b (Shadow length)
You will need: two pencils - sticky tack - a clock - same size bricks, counters or coins - a large piece of paper - a sunny day
Rita is measuring the length of shadows.
She wants to answer a question
Measure the length of a shadow at different times.
What do you think will happen?
In the morning and evening the Sun is low and shadows are long.
At midday the Sun is higher in the sky and shadows are shorter.