Science flashcard #1

What is the scientific method?

A systematic process used for research and experimentation to ensure accurate results.

Define hypothesis.

A proposed explanation for a phenomenon, which can be tested through experiments.

What are the three states of matter?

Solid, liquid, and gas.

What is photosynthesis?

The process by which green plants use sunlight to synthesize foods with carbon dioxide and water.

What is the function of the cell membrane?

To protect the cell and regulate what enters and exits the cell.

Define biodiversity.

The variety of life in a particular habitat or ecosystem.

What is the basic unit of life?

The cell.

What is an ecosystem?

A community of living organisms interacting with their physical environment.

What are the characteristics of living things?

Growth, reproduction, responsiveness, metabolism, and homeostasis.

What is the primary source of energy for Earth?

The Sun.