Exploring Types of Forces for Grade 3 Science

The video tutorial introduces students to different types of forces, including magnetic, electric, gravitational, and frictional forces. It explains the properties and effects of each force, using examples and experiments to illustrate concepts. The video concludes with a summary and contact information for further queries.

Which of the following is NOT a type of force discussed in the video?

• Nuclear force

• Electric force

• Magnetic force

• Gravity

Tags

NGSS.3-PS2-3

NGSS.5-PS2-1

What type of force can attract objects made of iron and steel?

• Frictional force

• Gravitational force

• Magnetic force

• Electric force

Tags

NGSS.3-PS2-3

NGSS.3-PS2-4

What happens when the like poles of two magnets are brought close to each other?

• They repel each other

• They attract each other

• They create an electric charge

• They have no effect on each other

Tags

NGSS.3-PS2-3

What is required to perform the experiment demonstrating electric force?

• A piece of paper and a comb

• A magnet and a piece of iron

• A balloon and a piece of clothing

• A ball and a surface

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What happens to a balloon when it is rubbed on clothes?

• It becomes electrically charged

• It changes color

• It becomes magnetized

• It loses its charge

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Why do objects fall back to the ground when thrown in the air?

• Because of magnetic force

• Because of electric force

• Because of frictional force

• Because of gravitational force

Tags

NGSS.3-PS2-1

NGSS.5-PS2-1

What is the force of attraction between the Earth and any object near its surface called?

• Magnetic force

• Electric force

• Gravitational force

• Frictional force

Tags

NGSS.5-PS2-1

What force acts against the motion of a moving object?

• Gravitational force

• Magnetic force

• Electric force

• Frictional force

Tags

NGSS.3-PS2-1

What happens to a ball when it is tossed on the ground and bounces for some time?

• It speeds up

• It slows down and stops

• It floats in the air

• It remains in motion

Tags

NGSS.3-PS2-1

NGSS.3-PS2-2

What would happen if there was little or no friction when walking?

• We would slip and fall

• We would remain stationary

• We would walk faster

• We would jump higher

Tags

NGSS.3-PS2-1