Grade 7 - States of Matter

Which change of state occurs when particles in a solid begin to move slowly past each other?

• Boiling

• Condensing

• Melting

• Subliming

Tags

NGSS.MS-PS1-4

When the temperature of a liquid is increased a little, what happens to its particles?

• They move so far apart becoming gas

• They come close together

• They start vibrating more

• They stop vibrating

Tags

NGSS.MS-PS1-4

Which state of matter has no definite shape and no definite volume?

• Liquid

• Gas

• Solid

• Liquid and gas

Which one of the following is not considered to be one of the three states of matter?

• Mass

• Solid

• Liquid

• Gas

Tags

NGSS.MS-PS1-4

When a beaker of water is heated its volume increases a little. What is happening to the particles in the liquid?

• They are moving faster

• They are getting smaller

• They are getting bigger

• They are moving slower

Tags

NGSS.MS-PS1-4

The term "fluid" may describe more than one state of matter. Which one of the following may describe a fluid?

• Solid and gas

• Solid and liquid

• Liquid and gas

• Solid, liquid and gas

Ethanol has a melting point of -114 ºC, and a boiling point of 79 ºC. What state will it have at a temperature of 65 ºC?

• Solid

• Liquid

• Gas

• Plasma

Tags

NGSS.MS-PS1-4

Which state of matter has a definite shape, a definite volume and cannot flow?

• Solid

• Liquid

• Gas

• Plasma

Which one of the following is a state of solid?

• Ice

• Water

• Baloon

• Milk

Which one of the following is not a property of gases?

• They have no definite shape

• They have a definite volume

• They have a definite pressure

• They can move easily