SCIENCE STAAR REVIEW

Front

What is the scientific method?

Back

A systematic process used for scientific investigation, involving observation, hypothesis formation, experimentation, and conclusion.

Front

Define ecosystem.

Back

A community of living organisms interacting with their environment, including both biotic (living) and abiotic (non-living) components.

Front

What is photosynthesis?

Back

The process by which green plants use sunlight to convert carbon dioxide and water into glucose and oxygen.

Front

What are the three states of matter?

Back

Solid, liquid, and gas.

Front

What is gravity?

Back

A force that attracts two bodies towards each other, depending on their masses and the distance between them.

Front

Define habitat.

Back

The natural environment in which an organism lives, providing food, shelter, and mates for reproduction.

Front

What is a food chain?

Back

A sequence that shows how energy and nutrients flow from one organism to another in an ecosystem.

Front

What is the water cycle?

Back

The continuous process by which water evaporates, condenses, and precipitates back to the earth.

Front

What is a renewable resource?

Back

A natural resource that can be replenished naturally over time, such as solar energy, wind energy, and biomass.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance without changing its identity, while a chemical change results in the formation of new substances.