Science STAAR Vocabulary

Front

What is the number of waves that pass a certain point in one second?

Back

Frequency (measured in hertz, Hz)

Front

What do we call 2 or more organs that work together?

Back

Organ system

Front

What is the geological process in which earthen materials are worn away and transported by natural forces?

Back

Erosion

Front

What are gigantic pieces of the Earth's crust and uppermost mantle called?

Back

Tectonic Plates

Front

Which system takes care of pathogens to maintain homeostasis?

Back

Immune system

Front

What is the basic unit of life?

Back

Cell

Front

What is a group of similar cells that perform a specific function?

Back

Tissue

Front

What is the process by which plants make their own food using sunlight?

Back

Photosynthesis

Front

What is the term for the variety of life in the world or in a particular habitat?

Back

Biodiversity

Front

What is the force that pulls objects toward each other?

Back

Gravity