Unit 2 Learning Set Flashcard 1 PART 2

Front

What is a gas typically made of?

Back

A gas typically consists of high energy particles that experience little attractive force between them.

Front

What changes when ice melts?

Back

The shape of the ice changes.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Front

What are the components of air?

Back

Air is made up of various components including dust, germs, water vapor, and smoke.

Front

Why does a balloon come back down to the ground?

Back

The air inside the balloon cooled and became more dense, forcing the balloon to descend.

Tags

NGSS.MS-PS1-4

Front

Does air occupy space?

Back

True, air occupies space.

Front

What is the state of particles in a gas?

Back

Particles in a gas are high energy and move freely.

Front

What happens to the shape of water when it freezes?

Back

The shape of water changes to a solid form (ice) when it freezes.

Tags

NGSS.MS-PS1-4

Front

What is the role of air pressure in balloon behavior?

Back

Air pressure affects whether a balloon rises or falls based on the density of the air inside compared to the outside.

Front

Can air be compressed?

Back

Yes, air can be compressed, which reduces its volume.

Front

What happens to the density of air when it is heated?

Back

When air is heated, it becomes less dense and rises.