End of Unit Quiz- Light

What is a light source?

• Something that reflects light.

• Something that gives out light.

• Something that blocks light.

• Something that refracts light.

Light travels in what way?

• Curved lines.

• Zigzag lines.

• Straight lines.

• Circular lines.

We see objects because light:

• Travels from our eyes to the object.

• Travels from the object to our eyes.

• Travels from a light source, bounces off the object, and then enters our eyes.

• Is absorbed by the object.

What is formed when light is blocked by an object?

• Reflection.

• Refraction.

• A shadow.

• An illusion.

If a light source moves closer to an object, what happens to the shadow?

• It gets smaller.

• It gets wider.

• It gets longer.

• It stays the same.

Which type of object creates the clearest and darkest shadows?

• Transparent.

• Translucent.

• Opaque.

• Reflective.

What is it called when light bounces off an object?

• Refraction

• Reflection

• Absorption

• Illusion

When light reflects, it:

• Stays in the same direction.

• Disappears.

• Changes direction.

• Bends around the object.

What is the scientific word to describe light changing speed and direction when it travels through a transparent material?

• Reflection

• Absorption

• Refraction

• Illusion

When light refracts, it can cause:

• Shadows.

• Reflection.

• Illusions.

• Light sources.