chapter 1.2 exam
Quiz
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Science
•
7th Grade
•
Practice Problem
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Medium
+8
Standards-aligned
Julian Hernandez
Used 5+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When Arjun uses an electric air blower to clean his room, which energy transformation takes place?
Thermal → Electrical → Sound
Electrical → Mechanical → Sound
Chemical → Light → Mechanical
Mechanical → Sound → Chemical
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Anika is filling a hot air balloon using hot helium gas. What is the correct energy transformation?
Chemical → Thermal → Mechanical
Mechanical → Light → Chemical
Thermal → Chemical → Light
Chemical → Mechanical → Thermal
Tags
NGSS.MS-PS3-4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Liam is boiling water in a kettle on a gas stove, and the kettle starts to whistle. Which best describes the energy transformation?
A) Chemical → Thermal → Sound + Mechanical
B) Electrical → Thermal → Sound + Light
C) Thermal → Sound → Light
D) Light → Chemical → Kinetic
Tags
NGSS.MS-PS3-5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mia drops a tennis ball from a certain height, and she notices that it bounces back lower than where she dropped it. Why does this happen?
Energy was created when it hit the ground.
Energy was destroyed when it hit the ground.
Some energy transferred to the ground as sound and heat.
The basketball lost all of its energy.
Tags
NGSS.MS-PS3-5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which scenario BEST demonstrates the Law of Conservation of Energy?
A) Benjamin throws a ball, and its energy disappears when it lands.
B) Sophia pushes a toy car, and it slows down as energy is transferred to the ground.
C) Rohan notices a fish creates more energy by swimming less.
Tags
NGSS.MS-PS3-5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Grace observes a plant in her garden changing sunlight into sugar during photosynthesis. This is an example of:
Mechanical → Sound
Light → Chemical
Thermal → Sound
Chemical → Light
Tags
NGSS.MS-LS1-6
NGSS.MS-LS2-3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Noah is riding a roller coaster. When the roller coaster is at the top of a hill, it has more potential energy than at the bottom because:
it is higher above the ground, increasing gravitational potential energy.
it is moving faster at the top.
the air pressure is lower at the top.
it has less mass at the bottom.
Tags
NGSS.MS-PS2-4
NGSS.MS-PS3-2
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