SCIENCE 3

It is the primary sources of light energy on Earth.

• Sun

• Moon

• Stars

________ sources of light are made by people.

• Natural

• Heat

• Artificial

_______ sources of light are those which are not man-made.

• Natural

• Heat

• Artificial

The sun is the ultimate and natural source of heat energy called ______________.

• Solar Panel

• Solar energy

• Solar system

Plants require sunlight to perform ____________, the process by which plants make food.

• Photosynthesis

• Pothosynthesis

• Photosinthesis

Heat energy from Earth's interior is called ____________

• Solar Energy

• Air Energy

• Geothermal Energy

Moon

• Natural Sources of light

• Artificial Sources of light

Flashllight

• Natural sources of light

• Artificial sources of light

Light bulb

• Natural sources of light

• Artificial sources of light

Sun

• Natural sources of light

• Artificial sources of light