Tricks of Light and Shadow: teacher key

Ghosts, grade 3 edition, written for 3rd grade. A shape in the dark, a face in a cloud, a creak in the night. Look for what made each one.

Read the book. Print this page for the key.

Questions and answers

What is pareidolia?
- Seeing faces in things with no faces (answer)
- A kind of wood
- A pop in a duct
How do we know the face on Mars is only a hill?
- A climber told us
- Sharper photos showed it (answer)
- It had a colored ring
What can the shadow of a climber on cloud look like?
- A tiny face
- A hill on Mars
- Huge, with a colored ring (answer)
How was the stage ghost made?
- With a drum and a mask
- With a sheet of glass and a hidden actor (answer)
- With a fan and some fog
A person sees a face in a rock. What is most likely going on?
- Their brain is good at spotting faces (answer)
- A hidden actor is there
- A duct is popping