Conservation of Mass Review
Authored by Toni Riggs
Science
8th Grade
NGSS covered
Used 5+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the law of conservation of mass state?
Mass can disappear and reappear.
Mass can change forms but is neither created nor destroyed.
Mass can multiply or vanish.
Mass can only increase.
Tags
NGSS.MS-PS1-5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of the law of conservation of mass?
Burning wood and the total mass of ash and gases being less than the original wood.
Melting ice and the mass of water being the same as the ice.
Baking a cake and the mass of the cake being more than the ingredients.
Dissolving sugar in water and the mass of the solution being less than the sugar and water.
Tags
NGSS.MS-PS1-5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the total amount of stuff when you mix things together or change them?
It increases.
It decreases.
It stays the same.
It disappears.
Tags
NGSS.MS-PS1-5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the number of Lego pieces when you build and then take apart a spaceship?
The number of pieces increases.
The number of pieces decreases.
The number of pieces stays the same.
The number of pieces disappears.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the difference between scientific laws and theories?
Laws describe patterns, while theories provide deeper explanations.
Theories describe patterns, while laws provide deeper explanations.
Laws are always correct, while theories are always incorrect.
Theories are more straightforward than laws.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the atoms that made up ancient plants and animals in the creation of oil?
They disappear.
They are rearranged into new molecules that make up oil.
They remain unchanged.
They turn into water.
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a hypothesis?
A proven fact.
An educated guess that can be tested.
A random idea.
A law of nature.
Tags
NGSS.HS-PS1-2
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