WorksheetsGrade 3 - Science - Review Unit test
Total questions: 49
Worksheet time: 13mins
Which one is correct?
Some animals form groups to survive in their environment. This allows them to share food, protect each other, and help take care of young ones.
Some animals form groups to protect in their environment. This allows them to share food, survive each other, and help take care of young ones.
Some animals form groups to share in their young. This allows them to survive food, protect each other, and help take care of environment ones.
What type of task must animals do to stay alive?
They must find their food.
They must raise their young.
They must avoid predators.
They must have a rest.
Which one of these is correct?
In groups animals can help each other with all of these tasks. Making a group can give animals an advantage.
Animals can help themselves with all of these tasks. Making a group can cause animals an disadvantage.
In groups animals can help each other with most of these tasks. Making a group can give animals an advantage.
In groups animals can help each other with some of these tasks. Making a group can give animals an advantage.
An _______________ is anything that __________ the animal.
An advantage is anything that helps the animal.
An advantage is anything that harms the animal.
An advantage is anything that raises the animal.
Find the correct answer.
Some animals make groups to survive changes in their environment. When seasons change, many groups of animals move to a new place.
Some animals make groups to survive changes in their survival. When seasons change, many groups of animals fly to a new land.
Some animals make groups to survive changes in their lives. When seasons change, many groups of animals move to a new place.
They _______________ to places that better meet their ___________ during that season.
migrate - needs
migrate - parents
move - friends
Migrate means ......
move to a different place
meet some new friends
go to the beach
Hibernation is staying in a state of ___________.
deep sleep
napping
eating
Bats _______, or stay in a state of _______, during _________ when there is a shortage of food.
When bats hibernate, they need __________ food.
In spring, bats can find food __________.
hibernate - rest - winter - less - easily
hibernate - sleep - winter - more - difficultly
As season change, bison _________. When animals molt, they _______ and ________ their body _____________.
molt - shed - regrow - covering
molt - shed - regrow - body
hibernate - shed - regrow - covering
Bison grow thick fur to help ___________ during winter. In spring, they _________ their ______.
keep warm - shed - fur
stay cool - shed - fur
Like animals, _______ have _______________ that help them survive seasonal changes in their ______________.
plants - adaptations - environments
trees - adaptations - environments
During the ______ season, plants become __________, or go into a state of ________.
This adaptation helps protect the plant when _______ water is available in its ________________.
dry - dormant - rest
less - environment
wet - dormant - rest
more - environment
What are different ways that animals might respond to a
seasonal change such as a cold winter?
hibernation
molt
migration
death
The exact place where an object is ________
position
direction
“The cat is on the couch” is a __________
position
direction
“Hanoi city is in the north of Vietnam” is a .........
direction
position
The way an object faces, such as north, south, or toward the window is a .........
direction
position
Relative means ...........
compared to
a family member
The position of one object compared with the position of another object is .......
Relative position
Relative direction
Relative motion
Any time an object’s position changes, __________ has happened.
motion
direction
position
The change in an object’s position compared to another object’s position is its ...............
relative motion
relative position
Constant speed is ..............
Not changing how fast or slow something is moving
Changing how fast or slow something is moving
Many types of motion can be described by (a)
You can use what you observe about the ___________ of the swing to ___________ how it will move.
motion - predict
motion - preserve
When you tell what will happen in the future is .........
predict
protect
predator
Sometimes the pattern of a ______ is _______ to see.
Other ________ of motion are ________ to see.
motion - easy
patterns - hard
pattern - easy
motions - hard
A force is a ..........
Push and push
Pull and pull
Push or pull
Exert means to ..............
Apply an application
Apply a super power
Apply a force
You pull on the zipper, and the zipper changes its (a) .
What are correct about force?
A force can start or stop the motion of an object.
A force can change the direction that an object is moving.
A force can speed up or slow down a moving object.
A force can't start or stop an object.
When you sit on a chair, you _______ a force on the chair. The force pushes _________ on the chair.
exert - downward
exert - upward
A pulling force that stretches other objects is called ............
Tension force
Contact force
Spring force
When an object is pushed together, then when the pressure are taken away it pops back to its normal self is .........
tension force
spring force
contact force
A push or pull on one object by another object that is touching it
contact force
tension force
spring force
A push or pull applies on an object is .....
force
power
exert
To apply a force
exert
strength
powerful
A force that slows things down
friction force
fiction force
contact force
A force that can cause pushes and pulls on an object without touching it.
contact force
non-contact force
no force
A non-contact fore that pulls things down.
Gravity
Gravy
Gratitude
Which force makes an object sits/stands still?
Unbalanced force
Balanced force
Which force makes an object moves?
Unbalanced force
Balanced force
What unit do we use to measure force?
(a)
Which force is more friction?
A
B
The total force acting on an object is .......
Contact force
Non-contact force
Net force
A math problem is called an .....
Mathematic
Equation
Equator
The car is pushing at 10N, the air resistance is pushing at 7N, is the car in motion and why?
No, because the forces are balanced.
No, because the forces are unbalanced.
Yes, because the forces are unbalanced.
The car is pushing at 7N, the air resistance is pushing at 7N, is the car in motion and why?
No, because the forces are balanced.
Yes, because the forces are unbalanced.
Yes, because the forces are unbalanced.
The car is pushing at 5N, the air resistance is pushing at 7N, is the car in motion and why? Is the car moving forward or backward?
Yes, because the forces are unbalanced. The car is moving forward.
Yes, because the forces are unbalanced. The car is moving backward.
