What is Light?

What is light?

• a kind of heat

• a kind of color

• a kind of energy

• a kind of reflection

Susan places four shirts in the sun. Each shirt absorbs a different amount of light. Which shirt will warm up the most?

• a pink shirt

• a black shirt

• a white shirt

• a yellow shirt

Which of these describes how light travels through empty space?

• it scatters widely in all directions

• it travels straight but changes direction to go around objects

• it travels in a straight line without stopping

• it changes direction often even if there are no objects

Ashley sees the reflection of the sun in a lake. Which shows the path of light?

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What does the flower stem in this picture show about light refraction?

• light is refracted when it hits a colored object

• light is refracted when it hits a curved object

• light is refracted when it passes through open air

• light is refracted when it passes from air into water

Which of these is a source of light energy?

• fire

• eyes

• a mirror

• the moon

What three things are needed to produce a shadow?

• the sun, a mirror, and a surface

• a light, some shade, and a dark object

• a light source, a mirror, and an object

• a light source, an object, and a surface

Look at the picture. What causes the shadow to form on the ground?

• the boy blocks the path of light

• the boy causes the path of light to bend

• the boy causes the light to split into two directions

• the boy reflects the light back to the sun

What happens to light when it hits a mirror?

• it bounces off the mirror

• it goes around the mirror

• it goes straight through the mirror

• it goes through the mirror and bends

John opens his closet. It is dark. He turns on the light to see what is in there. How does the light energy allow John to see what is in the direction.

• the light energy bends around objects to give them shape

• the light energy absorbs into the object to give them color

• the light energy reflects off objects and travels to John's eyes

• the light energy breaks into pieces that travel around John;s closet