MELTS

What kind of energy is also known as working energy?

• Kinetic energy

• Potential energy

• Sound energy

• Mechanical energy

Tags

NGSS.MS-PS3-5

Daniel has chores to do around the house. In what chore does he use thermal energy?

• oil a squeaky door hinge

• sweep the back porch

• cook eggs for breakfast

• dig weeds in the garden

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which type of energy can travel without matter?

• sound

• light

• thermal

• mechanical

The picture shows a spring toy. If you push down the toy and then release it, the toy will pop up into the air. Which types of energy does the spring toy have as it flies through the air?

• electrical and thermal

• kinetic and potential

• potential and electrical

• thermal and kinetic

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Objects can lose energy. Which answer describes an example of the energy of a material decreasing?

• eggs cooking in a pan

• water freezing into ice

• snow melting in the spring

• a ball bouncing on the floor

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What energies are needed for this fan to work ?

• electrical and thermal

• electrical and mechanical

• mechanical and sound

• mechanical and thermal

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Why do socks sometimes stick together in a dryer?

• Both socks have a positive charge

• both socks have a negative charge

• protons move from one sock to another

• electrons move from one sock to another

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

All of the following are a must for a circuit to work EXCEPT

• wires

• switch

• battery

• resistance

Which of the following uses electricity for energy?

• a windmill

• a street light

• a solar cooker

• a wind-up toy

why do we use plastic or rubber as materials to cover electric plugs and outlets?

• these forms of matter conduct electrical energy

• these forms of matter insulate electrical energy

• these forms of matter produce electric energy

• these forms of matter produce light and heat energy