Interacting with Light

Free sample questions, a clear explanation, and 5 practice skills with an AI tutor that guides without giving the answer away.

Sample questions

1. Which of these things would make the darkest shadow if the sun shines on it?

○ A clear window glass

○ Thin plastic wrap

○ Water in a clear cup

✓ A thick wooden door

Answer: A thick wooden door — Think about what stops light from going through.

2. Which material lets you see through it clearly, like looking through a window?

✓ A clear glass cup

○ A brick wall

○ A thick blanket

○ A metal spoon

Answer: A clear glass cup — Imagine trying to see your friend on the other side.

3. When light hits something that blocks it completely, what do you see behind that object?

○ Bright colors

✓ A shadow

○ More light

○ A mirror

Answer: A shadow — Think about what happens when you stand in front of the sun.

Recognize that some materials allow light to pass through, while others block it.
Classify materials as transparent, translucent, or opaque based on light interaction.
Predict how light will interact with different materials (e.g., glass, paper, wood).
Conduct an experiment to test which materials block the most light.
Imagine you are designing a window for a house. What materials would you choose and why, considering light and privacy?

Unlimited interactive practice, progress tracking, and Nova — your AI tutor. Free to start.