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WorksheetsScience 3 - 3rd Term Reviewer
Total questions: 87
Worksheet time: 2hrs 24mins
What are the living and nonliving things in an environment or area?
predator
producer
ecosystem
abiotic factor
An organism that can make its own food
decomposer
producer
consumer
Breaks down and feeds on the remains of other organisms
decomposer
consumer
producer
Small consumers that are hunted and eaten by larger consumers
producer
prey
predator
These organisms cannot make their own food; they must eat something for energy
decomposer
consumer
producer
NON-living things found in an ecosystem
biotic
abiotc
habitat
LIVING things in an ecosystem
biotic
abiotic
ecosystem
Choose the producer.
rock
tree
cow
bird
Choose the decomposer.
grass
elephant
bacteria
bird
Choose the consumer.
mushroom
horse
tree
grass
Choose the abiotic factor.
sunflower
dog
cat
table
True or False: Everything needs energy to live.
True
False
How does the food chain start?
Plant life uses energy from the sun to make food.
Insects like grasshoppers eat plant life.
Animals like rats eat insects.
Humans eat large animals and plant life.
What do we call an animal that gets eaten in a food chain?
prey
predator
producer
consumer
True or False: An animal cannot be both a predator and prey.
True
False
Which of the following are producers?
plants
humans
snakes
birds
What is the role of decomposers in the food chain?
to consume plants and animals
to produce food using energy from the sun
to eat decaying matter and return nutrients to the soil
to hunt prey
Seals eat fish. What would happen to the seal population if almost all the fish died?
The population would grow.
The population would shrink.
Lions eat zebras. What would happen to the zebra population if almost all the lions died?
The population would grow.
The population would shrink.
How do consumers get energy to live?
They make their own food from the soil.
They break down decaying matter.
They make their own food from the sun.
They eat other plants and animals.
How should you move your school bag?
Lift it
Roll it
Kick it
Throw it
Lance picks up a ball and throws it. What does it tell about the force?
Force can make the object move.
Force can stop the movement of an object.
Force can change the direction of the object.
Force can slow down the movement of an object
Which object will require the greatest amount from you if you have to move it?
notebook
refrigerator
small television
plastic chair
What kind of force will you need to erase the writings on the blackboard?
a weak force
average force
a very weak force
a very strong force
Kicking a moving ball with more force will cause it to move faster. What does this show?
Force will stop the ball's movement
Force will change the ball's direction.
Force will speed up the ball's movement.
Force will slow down the ball's movement
Mang Lito accidentally pushes his friend Carlo. Which reaction is likely to happen?
Lito will lean sideward
Lito will move backward
Carlo will lean backward.
Carlo will move both forward and backward.
How will you slow down a moving object?
Lessen the force acting on the object
Increase the force acting on the object
Balance the forces acting on the object
Unbalance the forces acting on the object
In which direction will an object go due to gravity?
upward
forweard
sideward
downward
An object is on the ground. What force is acting on both the object and the ground?
Gravity pulls both the object and the ground.
Energy pulls both the object and the ground.
Energy pushes both the object and the ground.
Gravity pushes both the object and the ground.
An object is _____ if its position changes.
in motion
at reset
a frame of reference
magical
Where is the plant?
above the books
Between the computer and the books
Under the table
Any time an object’s position changes, ......... has happened
Position
Direction
Motion
An object in an exact place.
Speed
Position
Force
Describe the speed of the car.
low speed
High speed
What is the position of the blue car?
In the front
Between the red and the blue
at the back
Describe the relative motion of the ball and the girl.
The ball is moving towards the girl.
The ball is moving in an opposite direction.
A train travels 25 km in 2 hrs. What is the speed of the train in km/h?
(a)
A car travels 30 km/h for 3 hours. Calculate the distance travelled by the car.
(a)
A boat travels at 24 km/h for 40 minutes. Calculate the distance travelled by the boat.
(a)
A man can run 450 m in 2 minutes. What is the speed of the man in m/s?
(a)
A speed boat travels 100 km at a speed of 20 km/h. How much time did it take?
(a)
A car travels 50 km at 80 km/h. What is the time taken by the car in minutes?
(a)
A bicycle rider travels 100 km in 4 hours. What is the cyclist's average speed in km/h?
(a)
Which of the following is a unit of speed? (You may choose more than 1 anwser)
km/h
hour
kilometre
m/s
minutes
Covert 2 hour 30 minutes into minutes.
(a)
What is the formula to determine speed?
Time / Distance
Distance / Time
Time x Distance
Time + Distance
Light, heat, sound, and electricity are forms of _______.
matter
gravity
energy
force
All of the following are sources of light except _____.
Light energy helps us ______________.
see and appreciate the things around us.
listen to soft and loud noises.
keep warm on a cold and rainy day.
power up our homes and appliances.
Our main source of light energy is the _____.
light bulbs
fire
moon
sun
The opposite of light is _____.
white
darkness
bright
massive
The sun, firefly and jellyfish are _____ sources of light.
natural
artificial
man-made
non-luminous
Flashlight, candle, and flame are _____ sources of light.
natural
artificial
God-made
luminous
The sun is our main source of _____ and _____ energies on earth.
light, sound
heat, sound
light, heat
heat, electricity
Which shows an example of heat energy in use?
when food cooks
when you hear the weather forecast
when you read with a flashlight
when you light a candle
Heat energy is the transfer of energy from a _____ object to a _____ object.
colder, warmer
warmer, colder
thicker, thinner
thinner, thicker
We hear sound because of _____.
music
notes
noise
vibrations
Our _____ creates vibrations that sends messages to the brain.
eyes
eardrums
skin
tongue
Sounds can be _____ or _____.
loud, low
low, soft
high, loud
loud, soft
Which does not show a use for sound energy?
warm us up on a cold and rainy day
listen to music
communicate or send a message
gather information about the things happening around us
_____ energy powers up our electronic devices.
Light
Heat
Sound
Electrical
Which is not a fossil fuel?
coal
gas
water
oil
Which is not a source of electricity?
hydroelectric power
wind energy
solar energy
sound energy
Electricity makes it possible for us to enjoy _____.
music on Spotify
movies in Netflix
Tiktok videos
all of the above
Wind turbines are attached to _____ that convert wind energy into electricity.
dams
solar panels
generators
cables
Using _____ to create electricity may be harmful to our atmosphere.
wind energy
solar energy
fossil fuels
water energy
