Chemical Reactions

What is a chemical reaction?

• changing a substance into another substance.

• moving things from one point to another

• bringing new things into something else

• none of the above

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

How many types of chemical reactions are there?

• 6

• 8

• 3

• 5

what is an example of a physical change?

• baking cookies

• freezing an icicle

• baking a cake

• making jello

what are the two components of a chemical reaction?

• products

• elements

• reactants

• compounds

Tags

NGSS.MS-PS1-5

what is an example of a chemical change?

• baking a cake

• freezing water to make ice

• melting ice in a drink

• dissolving sugar

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

chemical changes are things that cannot be______.

• moved

• reversed

• changed

• put back

In a ___________change, a substance changes into a different substance.

• Physical

• Chemical

Tags

NGSS.MS-PS1-2

The smallest particle of an element; made of electrons, protons, and neutrons

• Atoms

• Elements

• Molecules

• Products

Tags

NGSS.MS-PS1-1

___________________ are the elements are compounds that leave (are formed in) a chemical
reaction.

• Polymers
• Bonds
• Reactants
• Products

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

In a chemical reaction, bonds are broken and new bonds are formed that create new substances. The bonds that are broken are called what?

• Reactants
• Products
• Atoms
• Catalysts

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5