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WorksheetsGr.4 Science GL Preparation Practice Test 1
Total questions: 60
Worksheet time: 1hrs 4mins
All plants produce flowers.
True
False
Plants need sunlight to ________.
breathe
make food for the plant
keep the plant warm
What part of the plant is #4?
Leaf
Stem
Root
The function of the seed is to _____.
make seeds to continue the life cycle
help flowers reproduce
absorb sunlight and carbon dioxide to make food for the plants
Mammals drink milk when they are babies.
True
False
What will happen if an animal can't adapt to changes?
It will die out.
It will be strong.
Nothing will change.
Why is the upper side of a leaf smoother and waxier than the underside?
As the upper side of the leaf faces the sun the water in the leaf will evaporate
Due to the presence of chlorophyll
To attract sunlight so they can make food
Explain photosynthesis _____
Photosynthesis is how the plant stores its own food
The process where the plant stores its food
The process in which plants use energy from the Sun to make food.
What is the purpose of petals on a flower?
Soak in sunlight for photosynthesis
Make seeds to reproduce more plants
Attract pollinators to transfer their pollen to other flowers
This long part of the plant acts like an "elevator" carrying water and nutrients to the leaves and flower part of the plant.
roots
stem
leaves
A bunny is brown in the spring. Why does the bunny change to a white color in the winter?
Hibernation
Camouflage
Migration
Which is the best example of a predator-prey relationship?
A vulture finding and eating the remains of a dead rabbit
bacteria growing on compost
a chimpanzee eating termites from a termite mound
Which food chain shows how energy moves through this web?
(hint: Producer 1st)
Goat > Wild Cat > Jackal > Lion
Plant > Rabbit > Wild Cat > Lion
Lion > Owl > Goat > Plant
If you are doing an experiment to see how the amount of water affects the plants, what should you do differently to each flower pot?
Use different dirt
Use different amounts of water
Use different amounts of sunlight
If you are doing an experiment to see how sunlight affects the growth of the plants, what should you do differently to each plant.
Use different seeds
Use different amounts of sunlight
Use different amounts of dirt
A student wants to compare how sunlight affects the growth of a plant. Which two plants can the student use to compare?
1 and 2
2 and 4
3 and 4
Students list ways people at their school can reduce landfill waste.
Ways to Reduce Landfill Waste at Our School
>serve lunches on reusable plates
>turn in some homework using email
>copy worksheets on both sides of paper
>replace paper towels with hand dryers
Which other idea would most likely be included on this list?
remove trash cans from hallways
turn off lights when leaving a room
add recycle bins for paper in classrooms
What happens when you breath in?
Oxygen is taken in
Carbon dioxide is released
Oxygen is released
Carbon dioxide is taken in
What organ removes waste from blood?
Heart
Lungs
Intestine
Muscles
How many chambers does heart has?
2
3
4
5
Which of these materials would not dissolve in water?
Icing sugar
Gelatine crystals
A candle
Sea salt
What is a suspension?
A mixture created by combining two liquids
A mixture of two gases
A clear solution
A mixture of a solid and liquid, where the solid will not dissolve in the liquid
Sieving would separate which of these mixtures?
Salt and water
Sand and salt
Sand and gravel
Soil and salt
Which of these processes would you use to separate salt from the water in which it has been dissolved?
Filtration
Evaporation
Sieving
Suspension
Which of these would help sugar dissolve more quickly in coffee?
Using hot coffee
Using cold coffee
Using cold sugar
Not disturbing the sugar as it dissolves
What is a mixture?
A pure element
A material resulting from a chemical reaction
A chemical compound
The combination of two or more materials (substances)
What is a solvent?
The material which has been dissolved in a liquid
The liquid in which a material has been dissolved
The particles remaining in suspension
The material left after evaporation
If you mixed sand, sugar and water, which material would dissolve?
Sand
Sugar
Sand and sugar
Neither sand nor sugar
Which of the following statements is not true?
There is no limit to the amount of a particular material that can be dissolved by a liquid
Hot liquid will be able to dissolve more of the solute
Water can dissolve more of some materials than of other materials
Different variables affect how much material a solvent can dissolve
When a material is dissolved, what does it make?
A new substance or material
A gas
A force
A solution
What happens if a car rusts?
Physical change
Chemical change
googles
Bengals
What are atoms
Mr. Jackson
Back street Boys
Elijah Biddle
The basic unit of a chemical element.
A new substance can be formed when
paper is squashed
a nail rusts
water changes to steam
sugar is added to tea
What are the similarities between liquid and gas?
both have little mass
both are transparent
they can be broken
both take the shape of the container
How do you separate salt from water solution?
freeze the solution
filter the salt
pour the water away
evaporate the water
Which of these will form a solution?
stone and water
sand and water
salt and water
salt and sand
Which change is from water vapour to liquid(gas-liquid)?
Ice cubes melting
moisture forming on a mirror
a river drying up
water boiling in a pot
Liquid water holds its shape
True
False
Ice changes shape when it is put in a different container.
True
False
which sentence is correct about Heat
Heat cools food.
Heat moves from cooler places to warmer places.
Heat comes from the sun.
Heat feels cool.
How can people make heat?
What happens when you use a toaster?
You heat the air around the bread
You heat the bread
Both A and B
A material that does NOT let light pass through is
opaque
transparent
translucent
prism
it ______________________.
How many times does the moon orbit the Earth in a year?
13
28
365
7
Which symbol represents a buzzer?
Why do we have day and night?
the sun only shines in the daytime
the Earth rotates on its axis
Earth moves away from the sun
the moon blocks the sun at night
Which type of material is a good conductor of electricity?
wood
paper
metal
rubber
Leila performs a test.
She has 2 identical papers - one was squashed while the other was a flat plain paper.
She then threw both papers to the ground but the squashed paper falls faster.
Which force makes the flat paper fall slower?
gravity
air resistance
friction
pull
Gyakie was moving a box across the floor.
The bottom feels warm when she picks it up. Why did this happen?
because of sunlight
the box absorbed heat from the floor
the box was heavy
the friction between the box and the floor
A pulley is a simple machine.
Which makes heavier objects go down?
friction
electricity
magnetism
gravity
The numbers of sound vibrations in a unit of time is called
frequency
pitch
volume
sound
A material that lets light pass through is
translucent
opaque
transparent
prism
A material that both absorbs some light and lets some light pass through is
transparent
opaque
prism
translucent
