NEW
Font size
WorksheetsSummative Test in Science Q3
Total questions: 40
Worksheet time: 20mins
What is a PUSH or PULL of an object?
motion
friction
force
gravity
A push moves things _______ .
close to you
away from you
A pull moves things _______ .
closer to you
away from you
What is motion?
a change in position
a change in force
When your position changes, you're in ____________.
motion
force
What does friction do to the motion of an object?
Friction slows down or stops an object.
Friction keeps an object from moving.
All of the above.
Objects that are smooth have LESS friction than objects that are rough.
True
False
A hard wood floor has more friction than a carpet.
True
False
The force of _______________ can cause an object of more mass to fall at a faster rate.
friction
gravity
position
push
Why is person B having a hard time moving down the hill?
Person B has more friction than person A.
Person B has the same friction as person A.
Person B is out of shape.
Person B has less friction has person A.
The measure of the pull of gravity on an object is ___________________.
motion
weight
speed
friction
Which of these are examples of motion?
Turning around
Moving side to side
Traveling
All of them
When you pick things up, you're _______.
pushing
pulling
Which force pulls objects towards the center of the earth?
gravity
friction
An object moves in the _________ direction a force is applied.
same
opposite
Observe the picture: Push or Pull?
push
pull
Which force caused the hands of Mansoor to get warm as he rubbed them?
gravity
friction
magnetic force
To reduce friction, applying oil between surfaces is effective.
yes
no
maybe
What does friction produce?
light
sound
heat
gravity
The force that acts in the opposite direction of motion when two surfaces come in contact.
force
friction
static
kinetic
What direction does friction act relative to motion?
in the same direction
in the opposite direction
need more information
depends on the force
How can friction be reduced?
reduce the force acting between the 2 surfaces
reduce the roughness of the 2 surfaces coming in contact
use wax, grease or oil
all of the above are ways of reducing friction
Wheels on a skateboard most likely experiences-
rolling friction
sliding friction
fluid friction
static friction
Sally experiences-
rolling friction
sliding friction
fluid friction
static friction
How does friction affect speed?
more friction decreases speed
more friction increases speed
less friction decreases speed
Which of the following is an example of friction that is helpful?
Brakes used on a bike
Tires from a car on the road
Tread on the bottom of your shoes
All are examples that are helpful
The amount of friction depends on the weight of the objects pressing together.
True
False
Rougher surfaces have ...
greater friction
less friction
the same level of friction
Swimming fish experience-
rolling friction
sliding friction
fluid friction
static friction
How will this object move?
It won't move.
It will move to the right.
It will move to the left.
It will move in both directions.
A magnet attracts _____.
cloth
iron
aluminum
wood
Every magnet has a _____ pole.
North
South
North and South
North and south magnet poles facing each other will _____.
repel
attract
All magnets have _____ poles.
1
2
3
4
A magnet will not work in water.
True
False
A ____________ is a special metal that attracts other metals.
coil
magnet
bunker
repellant
In this image, matching north poles from two magnets are introduced. What do you predict will be the outcome?
There will be no interaction. The poles of magnets do not have an effect on one another.
The two north poles will attract each other.
The two north poles will repel each other.
The two magnets will combine and become one magnet.
Which of the following is true about a bar magnet?
Its magnetic field is strongest near its center.
It is surrounded by a magnetic field.
The north pole is stronger that the south pole.
The south pole is stronger than the north pole.
If you cut a magnet in half, what happens to the poles?
One half gets the North Pole, the other half gets the South Pole.
Both halves get only a North Pole.
Both halves get only a South Pole.
Both halves get a North Pole and a South Pole.
What do the lines around this magnet represent?
North Pole
South Pole
Magnetic Declination
Magnetic Field
