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WorksheetsTrimester 2 Review 2021
Total questions: 45
Worksheet time: 23mins
It is much more difficult to move a dresser full of clothes than an empty dresser. Why?
An object in motion stays in motion.
It takes more force to move an object with more mass.
It takes more friction to move the empty dresser.
The action of moving or changing position is called
motion
friction
target
track
A push or pull is an example of a
force
track
target
position
The picture is an example of a(n)
unbalanced force
balanced force
moving target
The picture is an example of a(n)
balanced force
unbalanced force
moving track
......................is an object’s location
motion
position
speed
force
Which of these materials do you predict would have the MOST amount of friction
Metal
Tile
Sand Paper
Denim
A contact force is from
objects physically touching
far apart objects
not touching object
always a pull
Why does ice have less friction?
Because it is frozen water.
Because it is a smooth surface.
Because it is cold.
Because it is slippy.
Magnets have a north and south ___ .
pole
iron
soft spot
action
A magnet can not attract which material?
metal paper clip
screw
paper
What is the name for when 2 magnets pull together?
attract
repel
gravity
friction
Which of this object would NOT be attracted to a magnet?
What will happen with these magnets?
Attract
Repel
Spin around
Nothing
The diver and the shark are moving with a speed limit of a .........................
constant speed
variable speed
In this championship, they are running at a .......................
constant speed
variable speed
What do we call the stages that a living thing goes through from the beginning of its life until the end?
growing season
life cycle
childhood
time line
What is this stage in the lifecycle of a frog called?
tadpole
growing tadpole
adult frog
egg
How is an adult frog different than a tadpole? Choose ALL correct answers.
Tadpoles and frogs spend their lives in water.
Frogs breath with lungs; tadpoles breathe with gills.
Frogs eat fllies with their long sticky tongues.
Frogs have front and back legs.
a change in form
metamorphosis
molt
transform
What stage of the mammal life cycle is pictured?
baby
adult
senior
adolescent
This picture shows an example of what type simple machine?
pulley
wedge
lever
wheel and axle
A seesaw is an example of what type of simple machine?
wheel and axle
lever
wedge
pulley
What type of simple machine makes chopping wood easier?
inclined plane
screw
wedge
lever
when Birds migrate
Instinct
Inherited Trait
Learned Behavior
Why do animals hibernate?
They are tired
They want to move to a warmer place
To help them survive the winter
Camouflage is used to attract predators. So camouflage is an inherited behavior.
True
False
Technology is the the use of ---------------to invent tools and new ways of doing things .
science
energy
electricity
------------------------ help to solve the running out of energy problem .
GPS
X-ray
Solar Panels
---------------------------is energy comes directly from the sun .
electricity
polar energy
solar energy
GPS depends on -------------------
stars
x ray
Space satellite
GPS means --------------------------------------------------
Global polar system
Global positioning system
giant positioning site
Doctors NOW use -------------------to look inside people's bodies.
GPS
X-ray
computer chips
digital technology
choose all the correct answers.
Computer chips are found in ---------------------------------
vaccines
mobiles
sofa
calculators
digital watch
Technology solved the problem of ------------------by inventing x-rays and vaccines.
Transportation
medicine
Running out of energy
------------------------ are medicines protect you from diseases .
x-ray
digital technology
vaccines
