Matter & Energy

The smallest unit of matter

• compound

• molecule

• atom

• density

The proton is one of particles that create an atom.  What is its charge ?

• positive

• negative

• neutral

This particle has a negative charge and orbits around the nucleus:

• quark

• neutron

• protron

• electron

Changes to matter that do not change the composition of the material are called

• chemical changes

• physical changes

• atomic changes

• radical dude

Tags

NGSS.MS-PS1-4

A measurement of the average speed of atoms and molecules in a sample is known as

• heat

• volume

• temperature

• length

Josie partially filled a graduated cylinder with water. She then dropped a rock into the water. The illustration above shows what happened to the level of the water inside the graduated cylinder. Which property of matter is Josie measuring?

• Mass

• length

• weight

• volume

The diagram above shows a Venn diagram to compare the properties of solids liquids and gases. What property, which only solids have, is in position 1?

• definite shape

• definite volume

• particles that do not move

• particles that are always in motion

What happens to the temperature of a sample of matter as it changes from a liquid to a gas?

• Temperature increases

• Temperature decreases

• Temperature remains constant

• Temperature first decreases and then increases

Tags

NGSS.MS-PS1-4

On a hot day, a puddle dries up. Which statement describing this event is true?

• the water in the puddle boils and becomes a gas

• The water in the puddle evaporates into water vapor

• the water in the puddle condenses and becomes part of air.

• the water in the puddle changes into particles of oxygen in the air.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Alisa Placed a small seashell on the pan of a balance. What other tool does she need to determine the density of the seashell?

• Scale

• calculartor

• thermometer

• graduated cylinder