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What helps our eyes see?
Light and heat can change matter. What will happen to an ice cube if you leave it in a sunny spot?
Which object is a source of light?
Light can pass easily through TRANSPARENT objects. Which object is TRANSPARENT?
What is the biggest source of light?
Which word describes the window pane?
Why does the spoon look broken?
Which travels the fastest?
Light cannot pass through OPAQUE objects. Which object is OPAQUE?
Which object is a source of natural light?