8th Grade Science STAAR Review

Front

What is the main function of the nervous system?

Back

The main function of the nervous system is to coordinate all actions and reactions of the body.

Front

Which organism is considered a primary consumer?

Back

The snail is considered a primary consumer.

Front

How would you best describe the element Boron?

Back

Boron is dull and conducts electricity.

Front

What is the formula to calculate average speed?

Back

Average speed = Total distance / Total time.

Front

If a student walks for 2.0 hours and travels 5.0 km, what is their average speed?

Back

2.5 km/hr.

Front

What is the difference between a cell wall and a cell membrane?

Back

The cell wall is found in plant cells but not animal cells.

Front

What is a primary consumer in an ecosystem?

Back

A primary consumer is an organism that eats producers, such as plants.

Front

What is the role of the cell membrane?

Back

The cell membrane protects the cell and regulates what enters and exits.

Front

What is the atomic number of Boron?

Back

The atomic number of Boron is 5.

Front

What type of organism is a heron?

Back

A heron is a carnivorous bird.