8TH GRADE SCIENCE STAAR REVIEW 2024

Front

What is a contour interval?

Back

The difference in elevation between two adjacent contour lines on a map.

Front

What are the horizontal rows in the Periodic Table called?

Back

Periods.

Front

How do you calculate the mass of an atom?

Back

The mass of an atom is the sum of its protons and neutrons.

Front

What do contour lines that are farther apart represent?

Back

A gentle slope.

Front

What are small consumers that are hunted and eaten by larger consumers called?

Back

Prey.

Front

What is the definition of a producer in an ecosystem?

Back

An organism that produces its own food, typically through photosynthesis.

Front

What is a predator?

Back

An animal that hunts and eats other animals.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What does a steep slope look like on a contour map?

Back

Contour lines that are close together.

Front

What is the role of decomposers in an ecosystem?

Back

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