Sources of Light

Sources

of

Light

Light comes from different sources called light sources.

Multiple Choice

TRUE OR FALSE

There is only one source of light.

• TRUE

• FALSE

Light is a form of energy. The Sun is a very important source of light energy.

 So do some animals, such as fireflies and certain fish. They are called natural sources of light.

Colorful sea creatures light up the ocean.

Mushrooms illuminate a dark forest.

Multiple Choice

TRUE OR FALSE

Living things can't produce their own light.

• TRUE

• FALSE

These natural light displays come from bioluminescent creatures.

Bioluminescent organisms can produce their own light. Bioluminescence is a chemical reaction.

 Burning objects give off light.

Multiple Choice

TRUE OR FALSE

Bioluminescent creatures can produce their own light.

• TRUE

• FALSE

Multiple Choice

TRUE OR FALSE

Bioluminescent creatures can only be seen underwater.

• TRUE

• FALSE

Other sources include man-made light sources such as light-bulbs and torches. They are also called artificial sources of light.

Multiple Choice

TRUE OR FALSE

Human beings can also produce light using fire.

• TRUE

• FALSE

Multiple Choice

Which of the following is an example of a natural source of light?

• Sun

• moon

• flashlight

• light bulb

The moon does not have its own light. It only reflects the light it receives from the sun.

Multiple Choice

Which of the following is a bioluminescent creature or a creature that can produce its own light?

Multiple Choice

Which of the following statements is TRUE?

• All living things can produce their own light.

• Burning things can produce light.

• Fireflies are artificial sources of light.

• A flashlight is a natural source of light.

Multiple Select

Choose all artificial sources of light.

• torch

• matchstick

• glowing jellyfish

• bioluminescent mushroom