1. What makes shadows? Light makes shadows.
ответ можно найти в тексте: Light makes shadows. When light hits you, a shadow falls
2. When the sun is high, the shadows are short.
В тексте: When you eat lunch, the sun is high in the sky. Now, the sun makes short shadows.
3. When can you see long shadows? In the morning and late afternoon
В тексте: When you wake up, the sun is low. It makes a long shadow[...] Your shadow gets longer in the late afternoon.
4. What moves: Earth or the sun? The Earth
В тексте: The sun looks like it moves. But it does not. Earth does.
5. If you stand facing the sun, your shadow will be behind you.
В тексте это не сказано, но это можно проверить если выйти на улицу и посмотреть на солнце
Light
Short
When you wake up
Earth
Very long