Science Milestones Review

what change is made when melting a chocolate bar?

• Physical Change

• Chemical Change

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

If you try to move two north poles of two different magnets closer together, what would you feel?

• a push

• a pull

• no force

• an electric discharge

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

A puddle of water on a sidewalk evaporates. Which statement could explain what happened?

• The temperature fell below 0 C, making the water freeze.

• The temperature fell below 0 C, making the water turn into water vapor.

• The sun heated the water, which changed from a liquid to a gas.

• The sun heated the water, which changed from a liquid to a solid.

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

Which of these is a way to make an electromagnet stronger?

• put a swtch in a circuit

• replace the iron core with copper

• replace the copper wire with plastic wire

• wrap the wire around the iron core more times

Which of these is an indictor of a chemical change. Select all the apply.

• color change

• temperature change

• solid formed

• light given off

• gas given off

Tags

NGSS.MS-PS1-2

Which is an example of a state of matter change?

• liquid water freezes into ice

• liquid water freezes into a gas

• water vapor condenses into a solid ice cube

• a solid ice cube evaporates into water vapor

Tags

NGSS.MS-PS1-4

Which is NOT a physical property of a substance?

• value

• mass

• shape

• texture

Tags

NGSS.5-PS1-3

A physical change to a substance

• can never be reversed

• increases or descreases the mass of the substance

• changes the type of matter the substance is made of

• changes one or more of the physical properties of the substance

Which statement is true?

• A mixture includes ONLY solids

• A solution cannot be separated

• A solution is just one substance

• A solution includes a dissolved substance

What makes it possible to separate a mixture?

• ages of the substances

• values of the substances

• physical properties of the substances

• physical changes caused by mixing the substances