UIL Science Practice Test 1

Front

What element makes up about 21% of the Earth’s atmosphere?

Back

Oxygen

Front

What is the most abundant gas found in Earth’s atmosphere?

Back

Nitrogen

Front

What is a destructive mudflow that occurs after a volcanic eruption called?

Back

Lahar

Tags

NGSS.MS-ESS3-2

Front

What type of ecological succession occurs after wildfires when life returns to an area?

Back

Secondary succession

Tags

NGSS.MS-LS2-4

Front

What is the atomic number for Gold?

Back

79

Front

What gas is essential for human respiration?

Back

Oxygen

Front

What is the process called when one ecosystem gradually replaces another?

Back

Ecological succession

Front

What is the primary gas in Earth's atmosphere, making up about 78%?

Back

Nitrogen

Front

What is the term for volcanic material that is ejected during an eruption?

Back

Tephra

Front

What is the term for the initial stage of ecological succession, where life begins in a previously uninhabited area?

Back

Primary succession