Chemical Reactions

Front

What is a chemical reaction?

Back

a change in matter when the molecules rearrange to make new molecules

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

This change is a:

chemical reaction

,

physical change

,

musical change

,

all answers are correct

Back

physical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

The reactants in the image above are:

Back

CH4 and 2 O2

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

The products in the image above are:
- CH4 and 2 O2
- 2 H2O and CO2
- All of these are reactants
- All of these are products

Back

2 H2O and CO2

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

When energy like heat and light are given off in a chemical reaction it is called

Back

exothermic

Tags

NGSS.HS-PS1-4

Front

When energy is absorbed and taken in during a chemical reaction it is called

Back

endothermic

Tags

NGSS.HS-PS1-4

Front

When the matter in a chemical reaction gets colder it is called

Back

endothermic

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

When the matter in a chemical reaction gets warmer it is called

Back

exothermic

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

Which is the correct description of photosynthesis?

Back

Photosynthesis is a chemical reaction because the atoms of the molecules get rearranged to form new molecules.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-7

Front

The result of the experiment between Iodine and Aluminum was the production of __________________.

Back

a white powder.

Tags

NGSS.MS-PS1-2