Energi dan Perubahannya

The event that utilizes the conversion of electrical energy into motion is . . . .

• Water moves the turbine

• Boiling water using an electric stove

• Toy boats that are carried away in the river

• Hair dryer used in salons

Solar power plants use energy sources from . . . .

• Sunlight

• Water vapor

• River water

• Natural gas

Electrical energy is converted into thermal energy in electronic devices, namely . . . .

• Fan

• Electric iron

• Radio

• Refrigerator

The transformation of energy that occurs in the device when used is . . . .

• Motion energy - electrical energy - light energy

• Chemical energy - electrical energy - light energy

• Electrical energy - motion energy - sound energy

• Chemical energy - electrical energy - sound energy

The function of the electrical equipment in the image is . . . .

• Source of electrical energy

• Conductor of electrical current

• Connector and breaker of electrical flow

• Cut off electrical flow in case of short circuit

The transformation of energy that occurs when the device in the image is used is . . . .

• Electrical energy - motion energy

• Motion energy - electrical energy

• Electrical energy - thermal energy

• Thermal energy - sound energy

A substance whose shape and volume can change is called . . . .

• Solid

• Liquid

• Gas

• Mixture

Ariel will give water to the plants that are starting to dry by watering the soil around the plants. The purpose of giving water to the soil is . . . .

• Speed up the stem to carry water

• Slow down evaporation in leaves

• Facilitate roots to absorb water

• Speed up the flow of water to the fruit

The change of matter from gas to solid is called . . . .

• Crystallization

• Sublimation

• Condensation

• Evaporation

Gasoline left in an open room will change its form to . . . .

• Solid

• Liquid

• Gas

• Oblong