6th Grade: 3rd Partial SCIENCE

What is ENERGY?

• It is the ability to produce heat and wind.

• It is the ability to produce changes in the properties or movements of a body.

• It is the ability to produce changes in liquid and solid objects.

_____________________________ use the kinetic energy of the wind to move the blades of wind turbines and generate electric energy.

• Solar energy plants

• Hydroelectric dams

• Wind farms

Mark the renewable energy sources

• Sun, ocean and wind.

• Sun, coal and ocean.

• Wind, petroleum and sun.

The electric energy that turns on a lamp transforms into ___________________________________.

• light and thermal energy.

• thermal and kinetic energy.

• light and sound energy.

_________________________ is the movement of electric charges inside a material.

• Electric circuit

• Electric Current

• Electric Cables

In this type of electric current, the electric charge always circulates in the same direction.

• Direct current

• Alternating current

• electric current

The current in our homes is ______________________

• Direct

• Alternating

• Polarity

_________________________ is a system in which an electric current circulates. This circuit transforms electric energy into a different form of energy.

• Electric generator

• Electric current

• Electric circuit

Mark the correct component.

_________________ change the electric energy into another type of energy.

• receptors

• generator

• electric cables

In an electric circuit a BATTERY is a _______________________.

• switch

• generator

• receptor