Evidence of a chemical change lab: Exit Slip

Which is NOT evidence of a chemical change from one of the interactions we tested yesterday?

• Odor or smell produced

• A huge explosion

• Formation of a gas

Tags

NGSS.MS-PS1-2

What was the chemical reaction from hydrogen peroxide and a potato?

• Fire produced

• A huge explosion

• formation of a gas

Tags

NGSS.MS-PS1-2

Which was a physical property of vinegar?

• Its ability to disintegrate substances

• Its smell

• It is flammable

Which of the following indicates a chemical change has occurred ?

• Change in shape

• Change in the state (ex: a solid, liquid or gas)

• Change in temperature

Tags

NGSS.MS-PS1-2

How are changes in matter related to changes in energy?

• Matter transforms into something brand new everytime it changes.

• Matter is never lost during a change.

• Matter starts as potential first.

Tags

NGSS.MS-PS3-2

NGSS.MS-PS3-4

What is the difference between a physical and chemical change?

• Physical changes make things pretty, chemical changes make things ugly.

• In a physical change a substance is altered but not transformed.

• In a physical change a new substance is formed.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

What is a common indicator of a chemical change?

• Change in shape

• Change in color

• Change in size

Tags

NGSS.MS-PS1-2

Which of the following is a physical change?

• Burning wood

• Melting ice

• Rusting iron

Tags

NGSS.MS-PS1-4

Which of the following is a physical change?

• Burning wood

• Melting ice

• Rusting iron

Tags

NGSS.MS-PS1-4

What happens to energy during a chemical change?

• Energy is created

• Energy is destroyed

• Energy is absorbed or released

Tags

NGSS.MS-LS1-7

NGSS.MS-PS3-4

NGSS.MS-PS3-5