HMH Grade 4 Unit 2: Energy

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Science
•
4th Grade
•
Hard
+4
Standards-aligned
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1.
FLASHCARD QUESTION
Front
What is energy?
Back
Energy is the ability to do work or cause change. It exists in various forms, such as kinetic, potential, thermal, and electrical.
Tags
NGSS.MS-PS3-4
NGSS.MS-PS3-5
2.
FLASHCARD QUESTION
Front
What is kinetic energy?
Back
Kinetic energy is the energy of an object in motion. The faster an object moves, the more kinetic energy it has.
Tags
NGSS.MS-PS3-1
NGSS.MS-PS3-5
3.
FLASHCARD QUESTION
Front
What is potential energy?
Back
Potential energy is stored energy based on an object's position or condition. For example, a ball at the top of a hill has potential energy.
Tags
NGSS.MS-PS3-2
4.
FLASHCARD QUESTION
Front
What is an energy transformation?
Back
An energy transformation is the process of changing energy from one form to another, such as converting electrical energy to light energy in a lamp.
Tags
NGSS.MS-PS3-5
5.
FLASHCARD QUESTION
Front
What is a circuit?
Back
A circuit is a closed path through which electric current can flow. It must be complete for electricity to travel.
6.
FLASHCARD QUESTION
Front
What is a complete circuit?
Back
A complete circuit has no breaks, allowing electricity to flow uninterrupted from the power source to the device and back.
7.
FLASHCARD QUESTION
Front
What is a Rube Goldberg machine?
Back
A Rube Goldberg machine is a complex device that performs a simple task in an indirect and overly complicated way, often using a series of chain reactions.
Tags
NGSS.MS-ETS1-4
NGSS.MS-PS2-1
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