❗🔬Light Energy Assessment

Type your first and last name.

Which of the following is NOT true about light energy?

• Human eyes can detect light.
• The Sun is a major light source.
• Light travels away from its source in one direction.
• Light travels in waves.

Which of the following is FALSE about light?

• Light waves can curve around objects.
• Light can travel through empty space.
• Light sources cast light in all directions.
• Light travels in waves.

Select all of the following that light can pass through.

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Which of the following objects are opaque?

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What is the definition of transparent materials?

• Materials allowing no light to pass through.
• Materials allowing some light to pass through.
• Materials allowing light to pass through so that objects can be seen clearly when viewed through it.
• Materials that block light and form shadows.

What is the definition of translucent materials?

• Materials allowing only yellow light to pass through.
• Materials allowing no light to pass through.
• Materials allowing all light to pass through.
• Materials allowing some light to pass through.

What is the definition of opaque materials?

• Materials allowing black light to pass through.
• Materials allowing white light to pass through.
• Materials allowing no light to pass through.
• Materials allowing some light to pass through.

Light travels in __________ that carry energy by __________.

• zig-zags; traveling in straight lines
• zig-zags; curving around objects
• waves; traveling in straight lines
• waves; curving around objects

Imagine you are in a pitch black room that has a mirror. Is reflection occurring?

• no, because the mirror is not reflective
• no, because there is no light in the room
• yes, because the mirror is reflective
• yes, because the mirror is a light source