OpenSciEd
Authored by Lisa Thompson
Science
7th Grade
NGSS covered
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15 questions
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1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
What happens when a bath bomb is added to water?
When a bath bomb is added to water, it dissolves and breaks down into particles.
When a bath bomb is added to water, it does not change.
When a bath bomb is added to water, fizzing and bubbling show a gas is produced.
When a bath bomb is added to water, a new state of matter is formed from the particles.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Where is the gas coming from when a bath bomb is added to water?
When a bath bomb is added to water, a gas is produced from new matter that was somehow added to a closed system (sealed bottle).
When a bath bomb is added to water, a gas is produced from matter that was already inside the closed system (sealed bottle).
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Which combination of substances in a bath bomb in water produce the gas?
Citric acid
Cornstarch
Baking soda
Epsom salts
Sugar
Tags
NGSS.MS-PS1-2
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
How can we explain another phenomenon, like elephant toothpaste, where gas bubbles appear after combining different substances together?
Combining different substances may result in forming something new, even inside a closed system.
Combining different substances forces one of the substances to change to a gas.
Combining different substances may result in particles rearranging and interacting in different ways.
Tags
NGSS.MS-PS1-2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which describes solubility best?
how well a substance can change into a liquid
how well a substance can dissolve in a liquid
Tags
NGSS.MS-PS1-2
6.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Which are possible evidence of a gas being produced? Select all that apply.
fizzing
color change of the liquid
bubbles
a new sound or odor
Tags
NGSS.MS-PS1-2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When a substance breaks down into particles inside a liquid it is called
melting
dissolving
solubilizing
chemical change
Tags
NGSS.MS-PS1-2
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