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حل مراجعة اختبار التقويم الثاني Electricity and Magnetism العلوم المتكاملة الصف الثاني

23 أكتوبر، 2024

72 4 دقائق

تحميل الملف

Circle the correct options

1-The charges in the picture will ____with each other

A. attract
B. repel
C. no action

2- ___The property of matter that causes electricity is called

A. color
B. electrical charge
C. shape

3-A positive charge and a negative charge will ___ with each other

A. attract
B. repel
C. do nothing

4-The____ is the building up of electrical charges in an object

A. electric current
B. circuit
C. static electricity

5- The property that causes electricity is
A. electric charge
B. magnetism
C. force

6- ?Which material is best to choose for charging a balloon with negative charges

A. cotton
B. glass
C. wool

7-Two negatively charged balloons will _______ each other

A. Attract
B. Repel
C. Balance

8- _______ A flow of electrical charges is known as

A. Resistance
B. Static electricity
C. Current electricity

9- ?which of these doesn’t need electric current to work

10-A type of electricity needed to turn on the light

A. water
B. electric current
C. static electricity

11-This objects will _________ each other

A. Attract
B. Repel

12- ______ A build-up of electrical charges on the surface of different objects causes
A. Resistance
B. Friction
C. Static electricity

13-? What happens to charged particles when two objects touch
A. Nothing ever happens
B. They lose their charge
C. They can move from one object to the other

14- ? What do we use to power many things in our homes
A. force
B. electricity
C. wind

15-? What is an electrical charge
A. the property of matter that causes electricity
B. a sudden burst of energy
C. the path that allows electrical current to flow

16- ,If you rub two balloons with a wool cloth

A. The balloons will attract each other
B. The balloons will not affect each other
C. The balloons will repel each other

17- ? Who invented the electric light bulb

A. Thomas Edison
B. Newton
C. Teacher

18-? Which pictures shows static electricity

19- : Write in correct word in the blank

Repel – cobalt positive – move – iron – negative – nickel

Electrical charges can have a ………………or ………………. charge
…………… electrical currents use to produce …………., ……………., and
………………………… when two negatively charged balloons are
…………………… when objects touch each other charge will

19- : Write in correct word in the blank

switch – wire – source – bulb

Lesson 2: Magnetism and designing solutions

1- ? What causes a magnet to attract and repel
A. magnetic force
B. contact force
C. gravity

2- Observe the pictures A and B.
? Which of the following statements is correct for the below given pictures

3- _____.The magnetic field is strongest near the

A. center
B. poles
C. same everywhere

4- ___ The magnetic field is weakest near the
A. Center
B. poles
C. same everywhere

5-Name the object seen in this image

A. Magnetic needle
B. Magnetic field
C. Magnetic compass

6- ? What is a magnet
A. an object that can attract and repel other magnetic parts
B. an object that is red and blue color only

7-What is a magnet made of? Select all that apply
A. steel
B. cobalt
C. metal
D. nickel E. iron

8- ? The ability for a magnet to attract and repel is called

A. magic
B. magnetism
C. attraction

9-When magnets pull they
A. attract
B. repel

10-When magnets push they
A. attract
B. repel

12- ? What are magnetic poles

A. they are magnet sticks
B. they are the strongest magnetic force on the ends of a magnet

13-What are the poles of a magnet? Select all that apply
A. North
B. East
C. South
D. West

14-Can you see magnetic fields
A. yes
B. no

15-?Can you feel magnetic fields if you use a magnet on another magnetic object
A. yes
B. no

16- ? If Earth is a giant magnet does it have North or South poles
A. yes
B. no

17- ? How can you make two magnets repel
A. Place the opposite poles near each other.
B. Place a thick object between the magnets.
C. Place the same poles near each other.
D. Place the magnets in water or another liquid.

18- ? Is a compass a magnet
A. yes
B. no

19-Which device uses a magnet?
A. Light bulb
B. Compass
C. Battery
D. Fuse

20- is the ability of an object to push or pull on another object made of iron, steel or nickel________ .
A. Force
B. Magnetism

21- ?is Earth’s magnetic field similar to that of a magnet
A. It has North and South Poles
B. It is shaped like a horseshoe

22-Some metal thumb tacks spilled on the classroom floor. Which is the safest way to pick them up

A. Battery
B. A pair of tweezers
C. Magnet
D. Piece of steel