PMA-2 6th Grade Science

Front

What is evaporation?

Back

Evaporation is the process by which water changes from a liquid to a gas, usually due to heat.

Front

What are the main gases in Earth's atmosphere?

Back

78% of the Earth's atmosphere is Nitrogen and 21% is Oxygen.

Front

What is the geosphere?

Back

The geosphere refers to the solid parts of the Earth, including rocks, soil, and landforms.

Front

What is the atmosphere?

Back

The atmosphere is the layer of gases surrounding the Earth, essential for weather and life.

Front

What is a force?

Back

A force is a push or pull on an object that can cause it to move, stop, or change direction.

Front

What is net force?

Back

Net force is the overall force acting on an object when all the individual forces are combined.

Front

What is condensation?

Back

Condensation is the process by which water vapor in the air cools and changes back into liquid water.

Front

What is transpiration?

Back

Transpiration is the process by which water is absorbed by plants and released as vapor into the atmosphere.

Front

What is precipitation?

Back

Precipitation is any form of water, such as rain, snow, sleet, or hail, that falls from the atmosphere to the Earth's surface.

Front

What is friction?

Back

Friction is a force that opposes the motion of an object, caused by the contact between two surfaces.