Properties/Changes & LCOM Quiz Review

In a ________, atoms are rearranged, chemical bonds are broken and new bonds are formed.

• Balanced Equation

• Chemical Reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

When a solid is formed in a chemical reaction by two liquid substances being mixed together, what is the solid substance?

• Phase Change

• Precipitate

Tags

NGSS.MS-PS1-2

If you heat up a liquid to determine the temperature at which it forms bubbles and turns into a gas, you are measuring...

• A physical property called boiling point

• A chemical property called reactivity

Tags

NGSS.MS-PS1-4

What happens during a physical change?

• The identity of the substance stays the same

• The identity of a substance is changed

Which of these is not evidence that a chemical change may have taken place?

• Change in shape

• Formation of a precipitate

Tags

NGSS.MS-PS1-2

Which example shows a physical change?

• A popsicle melting

• Baking soda reacting with vinegar

Tags

NGSS.MS-PS1-4

What kind of property of a substance can be measured or observed only by changing the identity of the substance?

• Defining

• Chemical

What causes a chemical change to happen?

• Melting a substance

• A chemical reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is not a physical property?

• Flammability

• Luster

Aniyah is not sure she knows how to tell if a physical or a chemical change has occurred. Which of the following is the best clue that a physical change has occurred?

• There was a color change

• The substance changed its state of matter

Tags

NGSS.MS-PS1-4