Chemical Reactions

Substances can __________, but not disappear

• Explode

• Change

• React

• Decay

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

(a)   are very reactive substances.

Tags

NGSS.HS-PS1-2

__________ are made of particles that are too small to be seen.

• Matter

• Chemicals

• Acids

• Gases

Tags

NGSS.MS-PS1-1

Scientists use _________ to help them explain things that are too small to be seen.

• Models

• Chemicals

• Observations

• Evidence

Tags

NGSS.MS-PS1-1

NGSS.MS-LS1-2

The mixing of two or more substances to create a new substance is called a ____________________.

• Reactive acid

• Alchemist

• Scientific experiment

• Chemical reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What causes pennies to become brown and dull?

• Rust

• Vinegar and Salt

• Oxidation

• Chemical reaction

Tags

NGSS.MS-PS1-2

Which two substances reacted to make our new "goo" substance?

• Borax and Glue

• Glue and Vinegar

• Milk and Borax

• Water and Borax

Tags

NGSS.MS-PS1-2

An example of a strong acid is _____________.

• Orange Juice

• Nitric Acid

• Lemon Juice

• Vinegar

Alchemists are know for trying to turn one substance into ___________

• Gases and particles

• Gold

• An acid

• Another substance

Which alchemist do you think is correct about the gargoyles?

• Robert

• Mary

• Hermes

• Zosimos

Tags

NGSS.MS-PS1-2