ورقة عمل Electricity and Designing Solutions العلوم المتكاملة الصف الثالث

ورقة عمل Electricity and Designing Solutions العلوم المتكاملة الصف الثالث

Lesson Check: Electricity and Designing Solutions

1) What happens to charged particles when two objects touch?
Nothing ever happens.
They are released into the air.
They lose their charge.
They can move from one object to the other.

2) Fill in the blanks using the available answer choices.
Two negatively charged balloons will …………… each other.

Blank 1 options
attract
repel

3) ………… A flow of electrical charges is known as
resistance
electrical current
static electricity
voltage

(Blank 1)

4) An object with a positive charge and an object with a negative charge will ………. each other.

6) The buildup of electrical charges on the surface of different    objects causes 
resistance
friction
static electricity
voltage

Lesson Check: Electricity and Designing Solutions

7) What are some products that use electric currents to produce light, sound, or motion? Select all that apply.
radio
lamp
candle
blender
windmill

Fill in the blanks using the available answer choices. Static electricity is the build up of …………… particles.

Blank 1options
charged
uncharged