RAP practice

RAP practice

8th Grade

40 Qs

quiz-placeholder

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RAP practice

RAP practice

Assessment

Quiz

Science

8th Grade

Medium

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

Standards-aligned

Created by

Robertha Carmona

Used 70+ times

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40 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

What does the Law of Conservation of Mass state?

Matter cannot be gained or lost in a chemical reaction.
Matter can only be lost in a chemical reaction.
Matter can only be gained in a chemical reaction.
Matter can be gained and lost in a chemical reaction. 

Tags

NGSS.MS-PS1-5

2.

MULTIPLE CHOICE QUESTION

1 min • 3 pts

What is the left part of a chemical equation called?
2H2 + O2 --> 2H2O

Reactants
Products 
Yields 
Chemical Equation 

3.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

What is the right part of a chemical equation called...
2H2 + O2 --> 2H2O

Reactants
Products 
Yields 
Chemical Equation 

4.

MULTIPLE CHOICE QUESTION

2 mins • 3 pts

What is the total number of atoms present in 5Na3PO4

5
40
55
8

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

What is the little number after an element in a chemical equation called.
Example: H2

Coefficient 
Subscript
Atom
Equation

6.

MULTIPLE CHOICE QUESTION

2 mins • 3 pts

Is the following equation balanced?...
Al + O2 --> 2Al2O3

Yes!
No!

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

7.

MULTIPLE CHOICE QUESTION

2 mins • 2 pts

Is the following equation balanced?
2C2H2 + 5O2 --> 4CO2 + 2H2O

yes
no

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

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