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Magnetism, Gravity and Upthrust
Autor :
Leonor Torrealba
1.
Magnetism is a:
A
contact force
B
C
non-contact force.
2.
Magnetism is a :
A
push and pull force
B
pull force
C
push force
3.
Magnet attract:
A
iron and steel
B
plastic
C
all metals.
4.
Magnets have:
A
two poles
B
one pole
C
five pole
5.
Opposite poles:
A
attract and pull apart.
B
repel and push apart.
C
attract and push apart.
6.
The same poles:
A
attract and pull together.
B
repel and pull together.
C
repel and push together.
7.
Two types of non-contact forces are:
A
magnetism and gravity
B
gravity and upthrust
C
upthrust and magnetism
8.
The magnetic forces of:
A
two north poles attract
B
a south pole and a north pole repel
C
two south poles repel
9.
Gravity on Eart:
A
pushes things up
B
pulls things down
C
makes things stay in the air
10.
Gravity is:
A
a contact, pull force.
B
a non-contact, pull force.
C
a non-contact, push force
11.
A boy has:
A
B
the same weight on the Earth and on the Moon.
C
the same mass on the Earth and on the Moon.
12.
A boy has:
A
B
more weight on the Moon.
C
more weight on the Earth.
13.
Upthrust is a:
A
a contact, pull force which pushes objects in air and water up.
B
a non-contact, push force which pushes objects in air and water up.
C
a contact, push force which pushes objects in air and water up.
14.
Differences between Upthrust and Gravity:
A
Gravity pulls an object down and Upthrust pushes it up.
B
Upthrust pulls an object down and Gravity pushes it up.
C
15.
Choose the correct option:
A
The mass and volume of an object influence the amount of upthrust.
B
The mass and volume of an object not influence the amount of upthrust.
C