Physical Science Final Exam

Any change that alters the form or appearance of a substance.

• Physical change

• Chemical change

• Change your clothes

• Mental change

Change in matter that produces one or more new substances.

• Chemical change

• Physical change

• Growing flowers

• Chewing gum

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A solid that forms from liquids during a chemical reaction. (coke & milk)

• Precipitate

• Results

• Residual

• Remains

Tags

NGSS.MS-PS1-2

How can you tell that a chemical change has happened to a brown banana?

• Color change

• Heat

• Smell

• Taste

Tags

NGSS.MS-PS1-2

Energy / heat is released during a reaction.

• Exothermic reaction

• Endothermic reaction

• Color change

• Texture change

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Energy / heat is absorbed within a product in a reaction.

• Endothermic reaction

• Exothermic reaction

• Fire

• Burned toast

Tags

NGSS.MS-PS1-4

What is produced within bread and cake to make them rise?

• Chemical reaction with gas formation

• Chemical reaction with liquid formation

• Physical reaction with gas formation

• Physical reaction with solid formation

Tags

NGSS.MS-PS1-2

A way to show a chemical reaction using symbols instead of words.

• Chemical equation

• Numerical equation

• Word problem

• Physical equation

Tags

NGSS.MS-PS1-5

Reaction that occurs when compounds break down into simpler products.

• Decomposition

• Dreary

• Fracture

• Chewing

Tags

NGSS.MS-PS1-5

Amount of energy required to start a chemical reaction.

• Activation energy

• Starting process

• Beginners luck

• Starting substance