Unit 3 Energy

A power plant uses fission of Uranium atoms to produce heat energy to turn a turbine. What is the starting form of energy used?

• nuclear

• chemical

• electrical

• thermal

Tags

NGSS.HS-PS1-8

NGSS.HS-PS3-4

What form of energy moves in waves?

• radiant

• thermal

• mechanical

• kinetic

Tags

NGSS.MS-PS4-1

The law of conservation of energy states that...

• energy can be created, but not destroyed

• energy is always destroyed by thermal energy

• energy cannot be created or destroyed

• energy can be destroyed, but not created

Tags

NGSS.MS-PS3-4

The law of conservation of energy states all EXCEPT

• energy changes from one form to another

• energy can be transformed into heat, light, or sound

• the total amount of energy on Earth has been changing

• the total amount of energy on Earth has not changed

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What is the kinetic energy of a jogger with a mass of 60 kg and a velocity of 3.5 m/s? (KE = 0.5 x mass x velocity²)

• 12.25 Joules

• 367.5 Joules

• 65 kilograms

• 2.5 m/s

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

The lamp is 13 kg and is sitting 4 meters above ground. What is it's potential energy? [PE = mass x gravity x height] and [gravity = 9.8m/s^2]

• 600 J

• 509.6 kg

• 509.6 J

• 4994.08 m/s

Tags

NGSS.MS-PS3-2

What is the kinetic energy of a 1 kg pie traveling at a velocity of 4 m/s? (KE= 0.5 x mass x velocity²)

• 4 Joules

• 8 Joules

• 6 Joules

• 3 Joules

Tags

NGSS.MS-PS3-1

An apple with a mass of 0.4 kg is hanging from a tree at 2.6 m. What is the potential energy? (PE = mass x gravity x height) where gravity = 9.8 m/s²

• 2.4 meters

• 10.19Joules

• 3.05 Joules

• 6.48 kg

Tags

NGSS.MS-PS3-2

Defined as the form of energy that is stored within bonds between atoms

• kinetic

• radiant

• chemical

• thermal

Electricity is a form of energy where electrons are flowing (moving) through a circuit. This makes electricity a type of...

• kinetic energy

• potential energy

• gravitational potential energy

Tags

NGSS.MS-PS2-3

NGSS.MS-PS3-5