Space: Mars Word Wall
Authored by M R
Science
8th Grade
Used 8+ times
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28 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the term "germinate" mean?
To begin to grow, especially from a seed or spore.
To wither and die.
To produce flowers.
To spread pollen.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an element?
A pure substance that cannot be broken down into simpler substances by chemical means.
A mixture of different substances.
A compound that can be separated by physical means.
A solution that can be broken down into simpler substances.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the basic unit of a chemical element?
Molecule
Atom
Compound
Mixture
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a compound?
A. A mixture of two or more substances
B. A substance formed when two or more chemical elements are chemically bonded together
C. A single element in its pure form
D. A physical combination of different elements
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the atomic number of Hydrogen?
1
2
3
4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which symbol represents Hydrogen?
H
He
O
N
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the lightest and most abundant element in the universe?
Hydrogen
Helium
Oxygen
Carbon
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