Physic-Energy

Which are nonrenewable energy sources?

• wind

• crude oil

• coal

• hydropower

• solar

The network of cables used to distribute electricity to homes, offices, and factories is called...................

• electrical grid

• electrical substation

• transformer drum

Choose the renewable sources:

• biomass

• nuclear

• Geothermal energy

• wave power

• natural gas

Which sector use the most energy?

• industrial sector

• transportation sector

• residential sector

• commercal sector

How many types of energy are there?

• 7

• 8

• 9

• 6

................... can be transferred from one object to another and converted into different forms.

• energy

• atoms

• compound

• light

When the ball is dropped, the ................... energy is converted to kinetic energy.

• gravitational potential

• elastic potential

• light

• electrical

Moving things have ............. energy

• kinetic

• chemical

• elastic

• nuclear

............... is stored energy

• Potential energy

• Mechanical energy

• Chemical energy

• Nuclear energy

When objects vibrate, they make particles in the air vibrate, sending energy waves traveling to our ears.

• sound energy

• light energy

• heat energy

• electrical energy