5th Grade Topic 2 DE Summatives Review

Which statement explains the energy transformation that occurs when a person makes soup in a microwave?

• Light energy is transformed to motion energy.

• Electrical energy is transformed to heat energy.

• Motion energy is transformed to heat energy.

• Heat energy is transformed to electrical energy.

Which example demonstrates electrical energy being transformed into motion?

• A ceiling fan has blades that spin when a switch is flipped to turn the fan on.

• A gas-powered lawn mower has a blade that spins when the lawn mower is turned on.

• A pinwheel has blades that spin in a circle when a person blows air across them.

• A windmill has blades that spin when turned by wind, which can be used to make electricity.

Tags

NGSS.MS-PS3-5

Which object transforms electrical energy into light energy?

• microphone

• lamp

• iron

• hair dryer

Which example describes electrical energy that is transformed into heat energy?

• a piece of wood burning in a fire

• a match being struck and lit

• a propane gas grill cooking food

• a coffee pot making coffee

Which statement describes electrical energy that is transformed into sound energy?

• An iron is plugged in and powered on to remove wrinkles from clothes.

• A flashlight is turned on and used to help someone see in the dark.

• A gas-powered lawn mower is turned on and the blades cut the grass.

• A saw is plugged in and used to cut pieces of wood to make a bookcase.

How does turning the fan on allow it to operate?

• The energy of motion from the moving parts of the fan can transform into wind energy, cooling the person.

• The energy of motion from the moving parts of the fan can transform into electrical energy for the outlet.

• The heat energy from the outlet can transform into energy of motion for the fan blades.

• The electrical energy from the outlet can transform into energy of motion for the fan blades.

Which option describes the transformation of energy that takes place when the toaster is turned on?

• Electrical energy transforms into light and heat energy.

• Electrical energy transforms into motion and sound energy.

• Heat energy transforms into motion and light energy.

• Heat energy transforms into sound and motion energy.

Which of the following is an example of using heat energy to provide warmth?

• riding a bicycle

• turning on a ceiling fan

• watching television

• standing next to a fireplace

A student is investigating different types of energy. They observe four different objects. Which is an example of sound energy?

• a nightlight that is plugged in and glowing

• a blender being used to make a smoothie

• an iron used to smooth wrinkles out of clothes

• an electric heater being used to warm a room

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Amaya is observing several objects. Which object is an example of electrical energy being used?

• a battery-powered fan blowing air

• a cell phone plugged in and charging

• a calculator being used to add numbers

• a piece of wood burning in a fire