ENERGY 5º

Mechanical energy = potential energy + sound energy

• True

• False

Mechanical energy = potential energy + kinetic energy

• True

• False

Is the movement of small charged particles, called electrons.

• Kinetic energy

• Light energy

• Electrical energy

• Chemical energy

This energy is released in a chemical reaction.

• Sound energy

• Light energy

• Chemical energy

• Mechanical energy

When particles vibrate, they produce​ (a)   , That travels in ​ (b)   to your ​ (c)   .

• energy
• waves
• ear

This energy is also called HEAT

• Soung energy

• Thermal energy

• Mechanical energy

• Nuclear energy

Energy cannot be ​ (a)   and cannot be​ (b)   . But it can be ​ (c)  

• created
• destroyed
• transformed

Mark the non-renewable energy sources.

• Petroleum

• Wind

• Sun

• Natural gas

• Uranium

Non renewable sources of energy, can cause...

• Air pollution

• Water pollution

• Land pollution

• Renewable energy

Is when gases in the Earth atmosphere, such carbon dioxide, store heat from the Sun.

• Greenhouse effect

• Acid rain

• Ocean acidification