Light sources. Shadow
Answers are for parents and teachers.
1
Write five artificial light sources at home.
Sample: lamp, torch, TV screen, phone, night light.
2
Measure a tree’s (or pole’s) shadow in the morning, at noon and in the evening and tabulate it.
Shortest at noon.
3
Make a hand-shadow animal on the wall and draw it.
Depends on the pupil’s drawing.
4
Why do car headlight beams look like straight lines in fog?
Fog droplets scatter light and show its path, which is a straight line.
5
Write one example for each of three types of body by transparency.
Glass, frosted glass, wall.