What change of matter state is the result of matter cooling?

• a gas becomes a liquid

• a solid becomes a liquid

• a liquid becomes a gas

• a solid becomes a gas

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which sentence is FALSE?

• You can undo a physical change

• You can undo a chemical change

• Matter can change states after a physical change

• Matter can change states after a chemical change

Tags

NGSS.MS-PS1-4

A mixture can be created by -

• pouring some water into a glass

• melting a solid to form a liquid

• combining two or more materials

• blowing air through a straw

How can a student make a sample of sand part of a mixture?

• Place the sample in a closed container and shake it

• Add gravel to the sand sample and stir them together

• pour the sample into a bowl and warm it in the sunlight

• spread out the sample of sand on a paper towel

What causes water to freeze solid when placed in the freezer? The freezer.....

• adds heat to the water

• does not let light shine on the water

• takes heat away from the water

• does not do anything to the water

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What form of energy makes ice cream melt on a hot day?

• Sound

• Mechanical

• Thermal

• Electrical

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What tool can be used to easily separate a mixture of iron and plastic paper clips?

• Beaker

• Strainer

• Balance Scale

• Magnet

There are four jars filled with different materials. The jar that contains a mixture is the jar that is filled with -

• pennies and nickles

• ice cubes

• salt crystals

• gold nuggets

The PROPERTIES of matter are different after a physical or chemical change. What is a PROPERTY?

• A trait that describes an object

• The amount of matter in something

• When matter changes from a solid to liquid

• When matter changes size, shape, or form

Tags

NGSS.MS-PS1-2

What is the outcome when you mix sugar and salt?

• A liquid is formed

• A solution is formed

• A mixture is formed

• A chemical change happens