Mechanical Energy
Authored by George Dyer
Science
7th Grade
NGSS covered
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About
This quiz comprehensively covers mechanical energy concepts appropriate for 7th grade physical science students. The questions assess understanding of multiple energy types including kinetic energy, gravitational potential energy, thermal energy, electromagnetic energy, and chemical potential energy. Students must demonstrate both conceptual knowledge and computational skills, including the ability to apply the formulas for kinetic energy (KE = ½mv²), gravitational potential energy (PE = mgh), and mechanical energy (the sum of kinetic and potential energy). The problems require students to work with standard SI units, perform multi-step calculations involving mass, height, and velocity, and understand energy transfer principles. Students also need to recognize different forms of stored energy and compare energy levels across different systems, from everyday objects like soccer balls to more complex scenarios involving cannonballs and electromagnetic radiation. Created by George Dyer, a Science teacher in the US who teaches grade 7. This quiz serves as an excellent tool for formative assessment, allowing teachers to gauge student understanding of fundamental energy concepts before moving to more advanced topics. The varied question formats, including calculation problems and conceptual comparisons, make it ideal for homework assignments, review sessions, or warm-up activities that reinforce classroom instruction. Teachers can use this quiz to identify students who need additional support with formula application or unit conversions, while also challenging students to think critically about energy in real-world contexts. The content aligns with NGSS standards MS-PS3-1 (constructing explanations for kinetic and potential energy) and MS-PS3-2 (analyzing energy transfer), providing a solid foundation for students' understanding of energy conservation and transformation principles that will serve them throughout their science education.
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Student View
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 mins • 1 pt
Which has more Thermal Energy: a pot of boiling water or an iceberg?
Iceberg
Pot of Boiling Water
The same amount of Thermal Energy
Neither has Thermal Energy
Tags
NGSS.MS-PS3-4
NGSS.MS-PS1-4
2.
MULTIPLE CHOICE QUESTION
30 mins • 1 pt
Which has more Energy: Radio Waves or X-Rays?
X-Rays
Radio Waves
Neither has Energy
They have the same amount of energy
Tags
NGSS.MS-PS4-1
3.
MULTIPLE CHOICE QUESTION
30 mins • 1 pt
A 2 KG box is at a height of 10 meters. What is its Potential Energy?
196 Joules
100 Joules
20 Joules
158 Joules
Tags
NGSS.MS-PS3-2
NGSS.MS-PS2-4
4.
MATH RESPONSE QUESTION
30 mins • 3 pts
A soccer ball has a mass of 0.5 kilograms. It is kicked from a height of 15 meters at a velocity of 4 meters/second. What is the Mechanical Energy?
Mathematical Equivalence
ON
Tags
NGSS.MS-PS3-1
NGSS.MS-PS3-4
5.
MULTIPLE CHOICE QUESTION
30 mins • 3 pts
A cannonball with a mass of 5.5 kilograms was fired into a wooden palisade from a height of 1 meter. The cannonball reached a velocity of 250 meters/second. What was the mechanical energy? Round up to the nearest Joule.
171929 Joules
3835 Joules
185350 Joules
254285 Joules
Tags
NGSS.MS-PS3-1
NGSS.MS-PS2-1
NGSS.MS-PS2-2
6.
MULTIPLE CHOICE QUESTION
30 mins • 1 pt
Which of the below is an example of Chemical Potential Energy?
Food
a Nuclear Atom
a Rubber Band
A Tall Building
Tags
NGSS.MS-PS3-2
7.
DRAG AND DROP QUESTION
30 mins • 1 pt
Energy flows from an area of (a) Kinetic Energy to an area of (b) Kinetic Energy.
Tags
NGSS.MS-PS3-1
NGSS.MS-PS3-5
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