A toy robot can walk & talk & run on batteries. What type of energy is stored in the batteries?

• nuclear

• chemical

• electrical

• mechanical

Answer explanation

Other chemical energies are food and fuels.

As a ball rolls down the ramp, its potential energy decreases. What happens as the potential energy as the ball moves?

• It is lost as gravitational energy

• It is destroyed as the ball moves

• It is converted into kinetic energy

• It is used to make the ball slow down

Tags

NGSS.MS-PS3-2

NGSS.MS-PS3-5

This simple circuit is a battery that powers a light bulb. How does the battery help power the light bulb?

• Light energy moves from the battery to the bulb

• Electrical energy moves from the battery to the bulb

• Thermal energy moves from the battery to the bulb

• Gravitational energy moves from the battery to the bulb

Tags

NGSS.4-PS3-2

A flashlight emits both heat & light. Where do these forms of energy come from in the flashlight?

• electrical energy from the battery

• thermal energy from the bulb

• heat energy from the bulb

• electrical energy from the wall outlet

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

What form of energy should the student write next to the example of splitting an atom?

• electromagnetic

• electric

• sound

• nuclear

Tags

NGSS.HS-PS1-8

What is the difference between the temperature at which the ice melts and the temperature at which the water boils?

• 0 degrees Celsius

• 32 degrees Celsius

• 100 degrees Celsius

• 273 degrees Celsius

Tags

NGSS.MS-PS1-4

The air in the science room is much warmer than the air in the math room. Which statement describes how air particles are different in this colder math classroom?

• They move freely.

• They are vibrating.

• They move faster on average.

• They have less average energy.

Tags

NGSS.MS-PS1-4

Object A & B are made from the same material. They are the same temperature. They also contain the same amount of thermal energy. Which statement is true about these objects?

• Object is larger than object B

• Object B is larger than object A

• Both objects are identical in size.

• There is not enough info to determine their size

Tony drew these models of particles in a substance. Which model best represents the particles that are vibrating in place?

• Solid

• Liquid

• Gas

Tags

NGSS.MS-PS1-4

A ball rolls across the grass. Which statement best describes what happens to the particles that make up the ball after the ball stops rolling?

• The particles are not moving

• The particles are vibrating in place

• The particles are sliding past each other

• The particles are moving from the ball to the grass