Year 8 MC Quiz Sem 2
Authored by Belinda Dalby
Science
8th Grade
NGSS covered
Used 68+ times
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71 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Choose the example of a physical change.
Melting
Boiling
Freezing
All of the above
Tags
NGSS.MS-PS1-4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
As a candle burns, the chemical change is:
the light from the flame.
the wax melting.
the burning of the wax.
the heat being produced.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-4
NGSS.MS-PS1-5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
As two clear solutions sodium sulfate and barium nitrate are combined, a cloudy white powder forms. Choose the best evidence of a chemical change.
A new solid substance being formed
Heat given off
An energy change
Gas being produced
Tags
NGSS.MS-PS1-2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Here is a word equation for a reaction: magnesium + hydrochloric acid → hydrogen + magnesium chloride. Choose the sentence which best matches the word equation.
Magnesium reacts with hydrochloric acid to form hydrogen and magnesium chloride.
Hydrogen reacts with magnesium chloride to form magnesium and hydrochloric acid.
Magnesium reacts with hydrogen to form hydrochloric acid and magnesium chloride.
Hydrochloric acid and hydrogen react to form magnesium and magnesium chloride.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When effervescence (fizzing) occurs during a chemical reaction it means that:
the reactants are heating up.
a gas is being produced.
energy is being absorbed by the reactants.
a salt is being produced.
Tags
NGSS.MS-PS1-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A molecule is always made up of:
Two or more atoms.
One kind of element.
Two or more elements.
One atom only.
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which scientist conducted the famous “Gold Foil Experiment”?
Dalton
Thomson
Rutherford
Bohr
Tags
NGSS.HS-PS1-8
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