Dissipation of Energy (KS3-4) Quiz 1

When an object falls from certain height

• Potential energy increases

• Kinetic energy decreases

• Potential energy decreases

The Law of Conservation of Energy states:

• Energy can created or destroyed but not transformed 
• Energy cannot be created or destroyed, it can only transformed
• Energy can't be created, destroyed or transformed

Changes in energy stores in a torch lamp

• Chemical energy store in the battery

• Sound energy

• Electrical energy

• Light and thermal energy

Which energy transformation below matches?
A book falling?

• chemical to sound and heat
• kinetic to sound and heat
• electrical to sound and heat

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which energy transformation below matches?
Water moving over a dam to move a generator?

• kinetic to chemical
• kinetic to electrical
• solar to electrical

Tags

NGSS.HS-PS3-3

At which point(s) on the roller coaster is the gravitational potential energy at its maximum?

• A
• B
• C
• D

Tags

NGSS.MS-PS3-2

What is meant by the term "dissipation of energy"?

Write a short answer below - a sentence or two with good punctuation and grammar please

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Friction is a force that acts against movement. When there is friction, some of the energy is transferred into ____________ energy

Friction can be reduced using ____________

Lubrication involves using _________ or a similar fluid on the moving parts of a machine.