Energy Test Review

Which of the following best describes the law of conservation of energy?

• Energy cannot be created but can be destroyed and can change form.

• Energy cannot be created or destroyed and cannot change form.

• energy can be crated but it cannot be destroyed and cannot change form.

• Energy cannot be created or destroyed, but energy can change form.

Tags

NGSS.MS-PS3-5

What is kinetic energy?

• Energy of motion.

• Stored energy

• Energy that comes from the stretching of objects

• A type of potential energy

Tags

NGSS.MS-PS3-4

Which of the following is not a type of potential energy?

• Gravitational Potential Energy

• Chemical Potential Energy

• Elastic Potential Energy

• Thermal Potential Energy

Which of the following is not an example of chemical potential energy (CPE)?

• Batteries

• Food

• Gasoline

• A stretched slingshot

When a roller coaster goes down a hill, what energy conversion is occurring?

• Kinetic energy to gravitational potential energy

• Gravitational potential energy to chemical potential energy

• Chemical potential energy to kinetic energy

• Gravitational potential energy to kinetic energy

Tags

NGSS.MS-PS3-5

The sun's energy reaches earth by

• conduction.

• convection.

• radiation.

• solaration.

Tags

NGSS.MS-PS3-4

Wearing a thick jacket keeps you warm on cold days because it

• prevents radiation.

• is a poor insulator.

• prevents conduction.

• is a good conductor.

Which type of spoon would be safer when stirring hot soup and why?

• A metal spoon is long lasting.

• A plastic spoon is a good insulator.

• A metal spoon is a good insulator.

• A plastic spoon is a good conductor.

Tags

NGSS.MS-PS3-3

Which statement is correct about insulators and conductors?

• Both insulators and conductors allow heat to flow easily through them.

• Neither insulators nor conductors allow heat to flow easily through them.

• Insulators allow heat to flow easily and conductors do not allow heat to flow easily.

• Insulators do not allow heat to flow easily and conductors do allow heat to flow easily.

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Why do some animals need a layer of fat in the winter?

• It helps them swim in the ocean.

• It insulates and keeps them warm.

• Females use the fat to feed the babies.

• Only males have fat and it is used to attract a mate.

Tags

NGSS.MS-LS4-4