Elements, Compounds and Mixtures

Quiz
•
Science
•
8th Grade
•
Medium
Standards-aligned
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
Tags
NGSS.MS-PS1-1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Tags
NGSS.MS-PS1-1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tags
NGSS.MS-PS1-1
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