Science UIL Practice #2

Front

What did Rutherford conclude from his gold foil experiment?

Back

Rutherford concluded that the nucleus of an atom is dense, small, and has a positive charge.

Front

What is the function of the Golgi apparatus in a cell?

Back

The Golgi apparatus modifies cellular products and packages them for distribution.

Front

What happens when an active cold front overtakes a warm front?

Back

An occluded front forms.

Front

How does an organism maintain homeostasis with increased CO2 levels?

Back

Lung activity is increased to enhance gas exchange.

Front

How do the forces exerted by a student and a chair compare when the student is at rest?

Back

The forces are of the same magnitude but in opposite directions.

Front

What is the charge of an atomic nucleus?

Back

The atomic nucleus has an overall net positive charge.

Front

What is homeostasis?

Back

Homeostasis is the process by which organisms maintain a stable internal environment.

Front

What role do ribosomes play in a cell?

Back

Ribosomes are responsible for protein synthesis.

Front

What is an occluded front?

Back

An occluded front occurs when a cold front overtakes a warm front, lifting the warm air off the ground.

Front

What is the primary function of mitochondria?

Back

Mitochondria are known as the powerhouse of the cell, generating ATP through cellular respiration.