CLASS 7 SCIENCE

Quiz
•
Science
•
7th Grade
•
Medium
+3
Standards-aligned
Santosh Shah
Used 21+ times
FREE Resource
30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
He
Based on this symbol, what can you tell about Helium (He)?
Helium is a compound
Helium is an element
helium is a metal
helium is a mixture
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
H2O
How many types of elements are in this compound?
1
2
3
4
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which combination of letters can be used as a chemical symbol for an element?
NP
Pks
Cl
FeOB
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Water ( H2O) is a compound because-
it is made of two different elements
useful to humans
a gas at room temperature
given off by plants
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which contains only CHEMICAL changes (new substance formed or cannot be undone)?
Silver spoon tarnish
Leaves change color
Water separating into hydrogen and oxygen
Ice melting
Sugar Cube dissolving
Paper tearing
Dry ice goes from solid to liquid
Your breath condensing on a window
Glass breaking
Mixing flour, salt, and sugar
Sanding wood
Grinding something into powder
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which list contains only elements and a reason why they are elements?
H2O, NaCl, N2, CO2, Substances are elements because they they contain more than one chemical symbol.
Kr, Ne, Ar, He, Substances are elements because they are noble gases.
Cl2, H2, Na, He, Substances are elements because they are pure.
F2, O2, Li, H, Substances are elements because they all have chemical symbols.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Carbon (C) is considered an element while Carbon Dioxide (CO2) is considered a compound. That is because Carbon Dioxide is -
a gas
made of two elements
given off by plants
useful to us
Tags
NGSS.MS-PS1-1
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