Do Reactions Occur

Do Reactions Occur

8th Grade

29 Qs

quiz-placeholder

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Do Reactions Occur

Do Reactions Occur

Assessment

Quiz

Chemistry

8th Grade

Hard

NGSS
MS-PS1-2, MS-PS1-5, MS-PS1-1

Standards-aligned

Created by

Charles Martinez

FREE Resource

29 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following examples shows that a chemical reaction has occurred?

A rock breaks into smaller pieces when it is struck with a hammer.

Rust forms on a hammer that has been left outside to long.

A cup of water turns pink when a few drops of red food coloring are added.

A solid is formed when heat is removed from a sample of water.

Tags

NGSS.MS-PS1-2

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A student places a piece of a potato into a container of hydrogen peroxide. One observation the student makes is that bubbles form around the potato. The presence of bubbles might indicate the formation of a new substance because bubbles - 
could show that a gas is forming
always rise to the top of a liquid. 
are almost always perfectly spherical.
usually burst after a few minutes.

Tags

NGSS.MS-PS1-2

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

___________________ are the elements or compounds that are formed in a chemical reaction.

Polymers

Bonds

Reactants

Products

Tags

NGSS.MS-PS1-5

4.

MULTIPLE CHOICE QUESTION

30 sec • 12 pts

Which of the following is an example that includes evidence of a chemical reaction?
A sample of zinc is placed in water and it settles to the bottom
A solid block of ice is heated and it completely melts into a liquid. 
Sugar that is burned gives off an odor and turns brown and then black.
A tomato is placed into a blender and chopped up into smaller pieces.

Tags

NGSS.MS-PS1-2

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Evidence of a chemical reaction is anything that shows -

a new substance has formed

a solid dissolved in a liquid

interaction between 2 gases

a change in the state of matter

Tags

NGSS.MS-PS1-2

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Which of the following is NOT evidence that that a chemical reaction has occurred?

produces light/heat

production of a gas

formation of a solid

melting

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Coal contains carbon and other elements. Carbon dioxide forms when coal burns in the presence of oxygen. Which of these is the best evidence that a chemical reaction occurs when coal burns?
The shape of the coal changes
Oxygen is present
A new substance is produced
Coal is made up of more than one element

Tags

NGSS.MS-PS1-2

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