______ energy lets us feel warm

The following are the sources of light energy except for _____.

The following are man-made light except for _______.

The following are man-made energy except for _______.

True or False: Sun is a source of light and heat.

True or False: The moon has its own light.

True or False: There are creatures that also produce light.

When your body blocks a source of light, it produces ______.

True or False: A shadow appears opposite the light source.

True or False: A shadow is not joined with the feet or the base of an object.

True or False: The size of a shadow depends on the object's distance from the light source.

This energy can be heard using your ears.

Sounds are being produced through _______.

The following are loud sounds except for _______.

The following have high-pitched sound except for _______

True or False: Electricity can help us in many ways.

True or False: It is okay to leave the appliances on when not in use since my parents pay for the electricity bill.

True or False: I can conserve energy by turning off the appliance when not in use.

True or False: It is safe to plug in electrical devices with my hands wet.