Science on the main stage Review/Preview
Authored by LORI LEPINE-WAHL
Science
7th Grade
NGSS covered
Used 1+ times
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21 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statement best describes how Makayla knows there was a chemical reaction?
Makayla knows a chemical reaction has taken place because the sodium changed state.
Makayla knows a chemical reaction has taken place because the sodium dissolved.
Makayla knows a chemical reaction has taken place because the sodium fizzed and created a gas
Makayla knows a chemical reaction has taken place because the sodium disappeared.
Tags
NGSS.MS-PS1-2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which model correctly shows that matter is conserved in the reaction?
Reaction A
Reaction B
Reaction C
Reaction D
Tags
NGSS.MS-PS1-5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Matias wondered why the froth’s properties were different from the baking soda and vinegar.
Which explanation would you give him?
The atoms in baking soda and the atoms in vinegar have rearranged to form the molecules that make up froth.
The atoms in baking soda and the atoms in vinegar have mixed to form the molecules that make up froth.
The atoms in baking soda and the atoms in vinegar have dissolved to form the molecules that make up froth.
The atoms in baking soda and the atoms in vinegar have evaporated to form the molecules that make up froth.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When water forms ice on a road as it gets cold, what type of change is this?
Physical change
Chemical change
Both physical and chemical change
No change occurs
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of change occurs when chocolate melts as it is heated?
Physical change
Chemical change
Both physical and chemical change
No change occurs
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-4
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Burning paper is an example of a ___________change in matter.
physical
chemical
Both physical and Chemical
No Change
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CO2 bubbles form when you add warm water and sugar to yeast. What type of change is this?
Physical change
Chemical change
Both physical and chemical change
No change occurs
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
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