Science Topics Flashcards

Front

What is the water cycle?

Back

Front

What is the carbon cycle?

Back

Front

Define kinetic energy.

Back

Front

Define potential energy.

Back

Front

What is internal energy?

Back

Internal energy is the total energy contained within a system, including both kinetic and potential energy of particles.

Front

What is external energy?

Back

External energy refers to energy that is transferred to or from a system from its surroundings.

Front

What is the composition of air?

Back

Air is primarily composed of:

Nitrogen (N₂) - 78%

Oxygen (O₂) - 21%

Carbon Dioxide (CO₂) - 0.03%

Water (H2O) - 0.02%

small amounts of other gases

Front

What is the electromagnetic spectrum?

Back

Front

Define photosynthesis.

Back

Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll.

Front

What is the chemical equation for photosynthesis?

Back