Light

Dark is the absence of light and light is needed to see things.

• True

• False

Light can be reflected from different surfaces.

• True

• False

Shadows are formed when an ______ object blocks the light source. (Fill in the blank)

• opaque

• transparent

• translucent

• reflective

Some sources of light are very dangerous to the eyes, such as the sun, and certain materials can be used to block out these harmful rays.

• True

• False

We need light in order to see things because:

• light allows our eyes to detect objects

• light makes objects heavier

• light changes the color of objects

• light makes objects move faster

One way to protect your eyes from the sun is:

• Wearing sunglasses

• Looking directly at the sun

• Keeping your eyes closed all day

• Using a flashlight

The shadows on the playground change throughout the day because:

• the position of the Sun in the sky changes

• the playground moves around the Sun

• the weather changes every hour

• the playground lights turn on and off

When the lid of a box is gradually lifted, what happens to the light inside the box?

• The light escapes from the box.

• The light becomes brighter inside the box.

• The light multiplies inside the box.

• The light remains trapped inside the box.

Which surfaces will reflect the light well?

• Smooth and shiny surfaces

• Rough and dull surfaces

• Soft and absorbent surfaces

• Dark and matte surfaces

The position of my shadow changes throughout the day in which way?

• It moves as the Sun appears to move across the sky.

• It stays in the same place all day.

• It only changes at noon.

• It disappears completely during the afternoon.