LIGHT and FORCE

What particles make up light?

• electrons

• photons

• neutrons

• protons

What does reflection mean?

• bending light

• bouncing light

What is the Earth's primary source of light?

What property of light is the diagram showing?

• Light travels in straight lines.

• Light reflects from surfaces.

What property of light does the picture show?

• Light travels in straight lines.

• Light reflects from surfaces.

Which of the following are not non-luminous objects?

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Which of the following are not luminous objects?

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It is formed when light is blocked by an object.

• photons

• reflection

• light rays

• shadow

A shadow always falls on the __________ of a light source.

• ground

• opposite side

• side

• behind

Which of the following will cast a dark shadow?

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