Which of the following mixtures will create a solution?

• Sugar, salt, and flour

• Sugar and water

• Chocolate, peanuts, and raisins

• Water and oil

Which of the following is an examples of chemical change?

• Soaking paper in water

• Burning paper

• Ripping paper

• Folding paper

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is matter?

• One substance spreads evenly throughout another substance

• A change in the physical properties such as size and shape

• A special mixture when one substance dissolves into another

• Anything that takes up space and has mass

Tags

NGSS.MS-PS1-5

Define dissolve.

• One substance spreads evenly throughout another substance

• A change in the physical properties such as size and shape

• A special mixture when one substance dissolves into anther

• Anything that takes up space and has mass

What is a solution?

• One substance spreads evenly throughout another substance

• A change in the physical properties such as size and shape

• A special mixture when one substance dissolves into another

• Anything that takes up space and has mass

Why is every solution a mixture but not every mixture a solution?

• Every mixture involves 2+ substances and every solution only involves 1

• Every mixture involves 2+ substance and solutions involves 3+

• Every solution is a mixture in which substances dissolves, but every mixture does not have to involve dissolved substances.

• Every mixture is a mixture in which substances dissolve, but every solution does not have to involve dissolved substances.

Which of the following is a sign that a chemical change has taken place?

• The substance is smaller

• The substance has changed states

• A gas is produced

• The substance has been divided

Tags

NGSS.MS-PS1-2

How are physical and chemical changes different?

• Physical changes cannot be reversed, while chemical changes can be reversed

• Chemical changes result in a new substance, while physical changes do not result in a new substance

• Chemical changes involve adding chemicals and physical changes do not

• Physical changes involve adding chemicals and chemical changes do not

Tags

NGSS.MS-PS1-4

Which of the following is an example of condensation?

• When water in a puddle turns into water vapor

• When water vapor turns into a cloud

• When water turns into a solid

• When water in a pot on a stove begins to boil

Tags

NGSS.MS-PS1-4

Which of the following is a description of a solid substance?

• Substance A has definite shape and definite volume

• Substance B takes the shape of its container and has a definite volume

• Substance C takes the shape of its container and does not have a definite volume

• Substance D does not exist