Science 6 ILEARN Practice #7

Which two of the following are forms of kinetic energy?

• Thermal: vibrating atoms in substances. Faster movement = higher heat

• Elastic: stored in objects that are stretched or squashed beyond normal

• Electric: moving electric charges called electrons

• Gravitational: stored in objects that are held a distance away from the Earth

Which of the following is chemical energy?

• Stored in the bonds between atoms.

• Stored inside the nucleus of an atom.

• Vibrating particles rub against each other.

• None of the above

Which object has the most gravitational potential energy?

• A marble on the ground

• A marble on a desk

• A marble on top of Lucas's head

• A marble on the roof of the school building

Coal is going to be burned in a power plant to produce energy to run objects in our homes.

What form of energy is in coal itself?

• Kinetic

• Chemical potential

• Chemical kinetic

• Nuclear

Once coal is burned in a power plant, what form of energy does it produce to run objects in our homes?

• Kinetic

• Electrical kinetic

• Elastic potential

• Nuclear

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During which step of the launch does the energy of the whole rocket itself change from potential to kinetic?

• Step 1

• Step 2

• Step 3

• Step 4

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which point has the most potential energy

• G
• f
• b
• a

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Which 2 letters have the most kinetic energy

• W & Y
• X & Z

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How much pontential energy is at the top of a hill on a rollar coaster ride

• 100%
• 50%
• 0%
• 20%

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As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy? 

• Both the potential energy and kinetic energy decrease
• The potential energy decreases while the kinetic energy increases 
• The kinetic energy decreases while the potential energy increases 
• Bothe the potential energy and kinetic energy increase 

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