Leap Review

Leap Review

7th Grade

15 Qs

quiz-placeholder

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Leap Review

Leap Review

Assessment

Quiz

Science

7th Grade

Practice Problem

Hard

NGSS
MS-PS1-2, MS-PS1-4, MS-PS1-5

+5

Standards-aligned

Created by

Lisa Thompson

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Fizzing, foaming, and burning are all examples of

Chemical change

Physical change

Tags

NGSS.MS-PS1-2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Rust on an iron bar is an example of chemical change.

True

False

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Photosynthesis is an example of a

physical change

chemical change

Tags

NGSS.MS-LS1-6

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A chemical reaction is balanced when

both sides have the same elements

Both sides have the same  number of atoms

Same subscripts

Same coefficients

Tags

NGSS.MS-PS1-5

5.

MULTIPLE CHOICE QUESTION

1 min • 12 pts

A precipitate is a 

liquid that forms when two solids are reacted

a solid that forms when two liquids are mixed

a gas that forms when vinegar and baking soda react

a change of color in a solution

Tags

NGSS.MS-PS1-2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What will weigh more when a chemical change is complete?  The reactants before the chemical reaction, or the product after the reaction is complete?

They both will weigh the same

The product always weighs more than the reactant

The reactant will weigh more than the product

They both will loose mass after the reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

These molecules represent which state of matter?

Solid

Liquid

Gas

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

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