PMA-2 6th Grade Science

Front

What creates the air pressure difference between the equator and the poles?

Back

The amount of direct sunlight each area receives.

Front

What is the net force on a couch if one person pushes with 35 N to the right and another with 25 N to the right?

Back

60 N right.

Front

What term describes the average weather conditions in a specific area over a long period?

Back

Climate.

Front

What happens to air pressure as altitude increases?

Back

Air pressure decreases.

Front

What is the outermost layer of the atmosphere where satellites orbit?

Back

Exosphere.

Front

What is the term for the force that opposes motion between two surfaces in contact?

Back

Friction.

Front

What is the process by which plants make their own food using sunlight?

Back

Photosynthesis.

Front

What is the term for the change of state from liquid to gas?

Back

Evaporation.

Front

What is the primary gas found in the Earth's atmosphere?

Back

Nitrogen.

Front

What is the term for the movement of air from high pressure to low pressure?

Back

Wind.