Elements, Compounds and Mixtures

Elements, Compounds and Mixtures

8th Grade

24 Qs

quiz-placeholder

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Elements, Compounds and Mixtures

Elements, Compounds and Mixtures

Assessment

Quiz

Science

8th Grade

Medium

NGSS
MS-PS1-1, HS-PS1-1

Standards-aligned

Created by

Emma Thompson

Used 12+ times

FREE Resource

24 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of the formation of a mixture?

Rust forming on an iron nail.

Sugar crystals dissolving in water.

Sodium and chlorine forming table salt.

Hydrogen and oxygen reacting to produce oxygen.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which statement identifies why oxygen is classified as a pure substance and air is classified as a mixture?

Oxygen is more reactive than air.

Oxygen has a higher density than air.

Oxygen goes under a phase change, whereas air is always a gas.

Oxygen contains only one substance, but air contains several substances.

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following represents an element?
H2O
H2
NaCl
CaCO3

Tags

NGSS.MS-PS1-1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is not a compound?
HCl
Cl
NaCl
CO2

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Salt has a chemical formula of NaCl.  Salt is a...
Compound
Element
Mixture
None of the Above

Tags

NGSS.MS-PS1-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What cannot be broken down into other substances?
Compound
Mixture
Solids
Element

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is made up two or more elements that are chemically combined?
Element
Mixture
Compound
Solids

Tags

NGSS.MS-PS1-1

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