8th Gr STAAR Review Practice

Front

What is the primary greenhouse gas responsible for human-caused global warming?

Back

Carbon dioxide (CO2) is the primary greenhouse gas that contributes to human-caused global warming.

Front

Define a community.

Back

A community is a group of people living in the same place or having a particular characteristic in common.

Front

What is an action-reaction force pair?

Back

An action-reaction force pair is when one object exerts a force on a second object, and the second object exerts an equal and opposite force on the first object.

Front

What type of cell does not have a nucleus?

Back

A prokaryotic cell does not have a nucleus.

Front

What system is responsible for transporting oxygen and nutrients throughout the body?

Back

The circulatory system transports oxygen and nutrients from food to all areas throughout the body and carries away wastes.

Front

What is the role of methane in global warming?

Back

Methane is a potent greenhouse gas that contributes to global warming, but it is not as prevalent as carbon dioxide.

Front

What is the difference between prokaryotic and eukaryotic cells?

Back

Prokaryotic cells do not have a nucleus or membrane-bound organelles, while eukaryotic cells do.

Front

What is the function of the skeletal system?

Back

The skeletal system provides structure, support, and protection for the body, and it also facilitates movement.

Front

What is the role of the respiratory system?

Back

The respiratory system is responsible for taking in oxygen and expelling carbon dioxide.

Front

What is the function of the digestive system?

Back

The digestive system breaks down food into nutrients that the body can use for energy, growth, and cell repair.