8th grade science STAAR review

Front

What does abiotic mean?

Back

Abiotic refers to nonliving components of an environment.

Front

Which kingdom do plants belong to?

Back

Plants belong to the kingdom Plantae.

Front

How do you calculate speed?

Back

Tags

NGSS.MS-PS3-1

Front

What is the average speed of a horse in kilometers per minute if it travels 18 km in 60 minutes?

Back

The average speed is 0.3 km/m.

Front

What is weathering?

Back

Weathering is the process of breaking down rocks and minerals through natural processes.

Front

What is erosion?

Back

Erosion is the movement of soil and rock from one location to another, often caused by water, wind, or ice.

Tags

NGSS.MS-ESS2-2

Front

What are nonmetals?

Back

Nonmetals are elements that typically lack the characteristics of metals and can be gases, liquids, or brittle solids at room temperature.

Front

Name two nonmetals that are gases at room temperature.

Back

Oxygen (O) and Nitrogen (N) are two nonmetals that are gases at room temperature.

Front

What is the role of decomposers in an ecosystem?

Back

Decomposers break down dead organic material, returning nutrients to the soil.

Tags

NGSS.MS-LS2-3

Front

What is photosynthesis?

Back

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

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3