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WorksheetsSTEM 7/8/2022
Total questions: 200
Worksheet time: 2hrs 10mins
What is force?
Pull and push that acts upon object.
Lft things up with hands.
What is moving is force.
Power is the use of tools to get work do
What is the net force?
3 N
3 N, right
17 N, right
3 N, left
A ____________ is a push or a pull on an object.
friction
force
magnet
gravity
Forces that have a net force of zero Newtons
Balanced force
Unbalanced force
A force of attraction to objects with steel or iron
friction
force
magnetism
gravity
Force that pulls things toward the Earth
gravity
force
friction
magnetism
A force that happens when rubbing objects together
magnetism
force
gravity
friction
The movement over a distance in a time frame
magnetism
force
speed
friction
pushing a chair across the carpet involves
friction
magnetism
gravity
The moment the roller coaster starts to move toward the Earth.
magnetism
friction
gravity
Light travels in a ___________ line
reflected
retracted
straight
zig zag
electricity flows in a ______________ circuit
closed
open
smooth
loud
All of these are types of energy except
mechanical
light
flexible
electrical
Sand and water when stirred forms a
mixture
solution
When salt dissolves in water it is called
salty
soluble
evaporation
precipitation
Matter has _________________that can be measured, tested and observed.
atoms
blue parts
physical properties
Relative Density has to deal with
sink/float
salt water
temperature
magnetism
Which of these is an insulator?
metal spoon
cotton ball
paper clip
ball of foil
Which is a conductor?
rubber
foam
plastic
steel
Force that pulls things toward the Earth
gravity
force
friction
magnetism
A force that happens when rubbing objects together
magnetism
force
gravity
friction
The movement over a distance in a time frame
magnetism
force
speed
friction
pushing a chair across the carpet involves
friction
magnetism
gravity
The moment the roller coaster starts to move toward the Earth.
magnetism
friction
gravity
Light travels in a ___________ line
reflected
retracted
straight
zig zag
Transparent and brittle (breaks easily)
Metal
Sponge
Glass
Plastic
Shiny and conducts electricity
Glass
Plastic
Rubber
Metal
Flexible and elastic
Fabric
Glass
Rubber
Wood
Transparent and flexible
Rubber
Plastic
Fabric
Metal
Weak and absorbent
Fabric
Cardboard
Plastic
Glass
Waterproof material
Plastic
Wood
Fabric
Paper
What is the name of this tool"
Metal cutting band saw
Sawzall
Jigsaw
Router
What tools can you use to scale drawings or models?
Yard Stick, Measuring Tape
Ruler, Graph paper
Body Scale, Balance
Level, Protractor
The most important part of the home which supports the entire house is know as the
foundation
roof
electrical
concrete
Gases that surround the Earth is called:
Weather
Atmosphere
Air Pressure
Climate
Air pressure________________ as altitude increases, due to the lower density of air molecules.
stays the same
increases
never changes
decreases
Why would you have more trouble breathing at the top of a mountain than you would at sea level?
Oxygen is more dense at the mountaintop.
Oxygen is less dense at the mountaintop.
Carbon dioxide is more dense at the mountaintop.
Carbon dioxide is less dense at the mountaintop.
What gas is the MOST abundant in the Earth’s atmosphere?
oxygen
carbon dioxide
argon
nitrogen
An instrument that measures changes in air pressure, consisting of a glass tube partially filled with liquid mercury:
Aneroid Barometer
Mercury Barometer
Thermometer
Anemometer
An instrument used to measure changes in air pressure is:
Thermometer
Barometer
Anemometer
Wind Vane
An instrument that measures changes in air pressure without using a liquid:
Mercury Barometer
Aneroid Barometer
Thermometer
Wind Vane
The pressure caused by the weight of a column of air pushing down on an area:
Water Pressure
Air Pressure
Density
Friction
The amount of force pushing on an area is:
Pressure
Friction
Gravity
Density
The amount of mass of a substance in a given volume is:
Weather
Climate
Pressure
Density
A form of oxygen that has 3 oxygen atom in each molecule instead of the usual 2:
water vapor
oxygen gas
ozone
carbon dioxide
The condition of Earth's atmosphere at a particular time and place:
Climate
Weather
Air Pressure
Atmosphere
Water in the form of a gas is called:
Carbon Dioxide
Liquid Nitrogen
Ice
Water vapor
Gases that surround the Earth is called:
Climate
Weather
Atmosphere
Air Pressure
Which of the chemical formula are matched correct? Check all that apply!
water: H2O
carbon dioxide CH4
oxygen O2
ozone O3
Why is the atmosphere important for living things on Earth? Check all that apply!
Insulates the temperature
Burns out meteors
Contains oxygen needed to breathe
Traps in water
What solid particles are found in the atmosphere? Check all that apply!
Dust
Smoke
Salt
Water Vapor
LESS dense air is found at:
sea level
higher altitudes
MORE dense air is found at:
sea level
higher altitudes
Less dense air has ________ air pressure.
LOW
HIGH
More dense air has ________ air pressure.
LOW
HIGH
What force pulls air molecules to the ground?
Friction
Gravity
Balanced
The Earth's atmosphere protects life from harmful uv radiation.
TRUE
FALSE
Air has mass.
TRUE
FALSE
Where does the air move in a CYCLONE?
Upwards
Downwards
Where does the air move in an ANTICYCLONE?
Upwards
Downwards
What type of weather does a CYCLONE bring?
Clear and calm
Stormy
What type of weather does an ANTICYCLONE bring?
Clear and calm
Stormy
Does a CYCLONE have low or high pressure?
Low
High
Does an ANTICYCLONE have low or high pressure?
Low
High
Would climate change create more CYCLONES or ANTICYCLONES?
Cyclones
Anticyclones
The oceans are getting warmer. Will this INCREASE or DECREASE the power of cyclones?
Increase
Decrease
The effect of Earth’s rotation on the direction of winds and currents is called the _______________ .
La Niña
El Niño
Coriolis effect
Currents
Which of the following is the natural source of water?
Pool
Rain
A pail of water
Ice cream
all of these are the natural sources of water except
Lake
Rain
River
Pool
water flows from ___________area to __________ area
Low,low
Low,high
High,high
High,low
What is the process shown in the diagram?
(a)
At which stage does the water vapour turn to cloud?
1
2
3
4
Water turns to water vapour at _______________ stage
3
2
4
1
Which of the following need oxygen?
Human
Bees
Frog
Cow
wind does not help our cloth to dry faster
True
False
What is the benefit of strong wind?
Storm
Tornado
Moving yatch
strong wind can cause harms so humans such as
Dry cloth faster
Moving yatch
storm
Move the object
List all the reproduction method for plants.
Which of the following plant reproduce through stem cutting ?
Tapioca plant
Banana tree
Bougainvillea
Yam Plant
Rose Plant
Which of the following plants reproduces through stem cutting?
Mimosa plant
Mango tree
Hibiscus plant
Balsam plant
Which of the following plants has the same reproduction method as the pumpkin?
Ginger plant
Pineapple plant
Papaya tree
Tapioca
Which of the following plants reproduces through underground stems?
Which of the following is not the importance of plant reproduction?
Supply carbon dioxide
Habitat for animals
Source of food
Source of wood
The diagram above shows an orchid plant. What is the suitable reproduction technology for an orchid?
Tissue cutting
Stem cutting
Marcottage
Suckers
Rice is the product from the paddy plant that is used as (a) for humans.
Plants are important because the become a (a) to other living things.
Plants are important because they supply (a) to humans and animals.
Rewrite square centimetre in symbols.
We can use _________________ and __________________ to measure a regular surface area.
(a)
What is the suitable measurement unit for the surface area of a carpet ?
Square metre
Square centimetre
Square milimetre
Square kilometre
What is the suitable unit for volume in the above diagram?
Litre
Millilitre
Kilometre
Cubic metre
Which of the following is not a standard not a standard unit for volume?
Cubic metre
Square centimetre
Litre
Millilitre
How many cards with size of 1 cm x 1 cm are needed to fill the shape?
11 cards
21 cards
24 cards
12 cards
What is the suitable unit to measure the area of both Sabah and Sarawak?
Square millimetre
Square metre
Square centimetre
Square kilometre
There is a box with length 3 cm, width 6 cm and height 4 cm. Predict the number of cubes with size 1cm x 1cm x 1cm needed to fill the box.
72
74
78
68
Calculate the are of the shape.
80 cm2
79 cm2
81 cm2
82 cm2
What is the method used to measure the volume of an irregular object?
Water displacement method
Using graph paper
Density of water
Buoyancy
What is a cell?
Is a smallest part of living thing
Fiber
Nutrients
Wastes
Microorganisms need certain condition to stay alive and grow. Which of the following condition that is not suitable for microorganism to grow.
present of water
present of oxygen
warmth temperature
cold temperature
Yeast is a type of ____________ that people use to make bread.
Bacteria
Fungus
Virus
Protist
Which of the following micro-organisms is called animal-liked because they have special feature to move like animal?
fungi
algae
bacteria
protozoa
How do yeast reproduce?
cell division
budding
spores
fission
Which micro-organism causes TBC disease?
bacteria
fungi
virus
protozoa
Which microorganism helps to make yoghurt?
(a)
What gas is produced by yeast in making bread?
(a)
Mention three advantange / useful of microorganisms.
Explain how to prevent our food from decaying by microorganisms.
Beside useful, microorganisms can be also harmful. Explain two disadvantages of microorganisms.
Nitrogen-fixing bacteria are important because...
They are decomposers
They are salt lovers
They provide protection for plants from diseases
They make nitrogen available to plants in form they can use
All viruses contain this
Nucleus and DNA or RNA
DNA or RNA and protein coat
Protein coat and nucleus
Cell wall and DNA or RNA
What is a cell?
Is a smallest part of living thing
Fiber
Nutrients
Wastes
You can find bacteria all over the world.
True
False
Which is the smallest of all microorganisms?
Algae
Fungi
Virus
Bacteria
Yeast is a type of ____________ that people use to make bread.
Bacteria
Fungus
Virus
Protist
Select the disease which can be treated with antibiotics.
Swine Flu
Influenza
COVID 19
Bacterial infection
A disease causing organism
Pathogen
Poison
Vaccine
Prokaryote
Which of these is an example of an antibiotic?
Pencillin
Tylenol
Advil
Tumms
How animals get the nitrogen they need
From the air they breathe
From the water they drink
From the food they eat
From the Sun
Organisms that need nitrogen to survive
Only plants
Only animals
Only bacteria
All living organisms
Bacteria fix nitrogen on plant roots where plant roots provide sugar to bacteria. This is an example of
Mutualism
Parasitism
Commensalism
Competition
How nitrogen is "fixed" into useable form for plants
Only through action of bacteria
Only through lightning
Through action of bacteria & lightning
Through photosynthesis
Gas that makes up almost 78% of Earth's atmosphere
Oxygen
Carbon dioxide
Nitrogen
Hydrogen
Organism that breaks down dead plants & animals and releases nitrogen back into atmosphere
Bacteria
Plants
Animals
Producers
What is the definition of Symbiosis?
In mutualism, both organisms (a)
In parasitism, one organism benefits while the other gets (a)
In commensalism, one organism benefits while the other one is (a)
Definition of Prey
animal that is hunted for as food
animal that hunts organisms for food
Definition of Predator
animal that is hunted for as food
animal that hunts other animals for food
Select the best symbiotic relationship that these two organisms would express
mutualism
commensalism
parasitism
Select the best symbiotic relationship that these two organisms would express
mutualism
commensalism
parasitism
Select the best symbiotic relationship that these two organisms would express
mutualism
commensalism
parasitism
Select the best symbiotic relationship that these two organisms would express
mutualism
commensalism
parasitism
Select the best symbiotic relationship that these two organisms would express
mutualism
commensalism
parasitism
Select the best symbiotic relationship that these two organisms would express
mutualism
commensalism
parasitism
Select the best symbiotic relationship that these two organisms would express
mutualism
commensalism
parasitism
Select the best symbiotic relationship that these two organisms would express
mutualism
commensalism
parasitism
As prey population goes up... predator populations go (a)
As prey population numbers go down, which means a decrease in food for predators... predator population numbers go...
(a)
There are many different types of
plants
water
sunlight
Plants come in all sorts of different ------------
shapes and sizes
sizes
names
shapes
Some plants are very small like: ----------------.
grass
pine tree
banana tree
maple tree
Some plants grow very large like: -----------.
grass
tree
shrubs
herbs
Cactuses grow in the
ocean
desert
forest
Trees grow in
river
forest
desert
this flower is ------------
rose
tulip
cotton
This flower is ------------
rose
tulip
cotton
Plants make ------- which grow into new plants
seeds
leaves
trunks
A tomato plant is smaller than an orange tree.
yes
no
Flowers on a tomato plant are-----------
yellow
green
white
An animal that might become endangered if nothing is done is considered __________.
extirpated
threatened
extinct
vulnerable
