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WorksheetsScience GL'S Revision 2
Total questions: 47
Worksheet time: 47mins
When does sweat help to cool you down?
When it is coming out your pores
When it is covering your skin
When it is evaporating from your skin
Substances that dissolve in water are called ...................
soluble
insoluble
solution
Substances that do not dissolve in water are called ...................
soluble
insoluble
solution
What equipment is used to measure 10g of salt.
Balance scale
Measuring Cylinder
Thermometer
Ruler
Dissolved substances cannot be seen, they become part of the water.
True
False
The mix of solute and solvent
soluble
insoluble
solution
solute + solvent =
solution
equation
Check all of the boxes that SUPPORT the claim:
A bat is a mammal, not a bird
A bat is warm-blooded
Bats have hair
A bat hatches from an egg
A bat gives birth to live young
A scientist discovers a new organism. It has scales and uses lungs to breathe air. How will they classify this organism?
As an invertebrate
As a reptile
As an amphibian
As a fish
Rosa was given a list of ten animals and asked to develop a model to sort them into groups. When she turned in her model, she was told she had made one mistake. Her teacher asked her to correct and explain her mistake.
A jellyfish is not an invertebrate. It is a fish because it lives in water and it is cold-blooded.
A dolphin is not a mammal. It is a fish because it lives in water and it is warm-blooded.
A snake is not an invertebrate. It is a reptile because it has a backbone, is cold-blooded, lays eggs, and lives on land.
A turtle is not a reptile. It is an invertebrate because it has a hard external shell or exoskeleton instead of a backbone.
Which two of these forces act on parachutes?
Air Resistance
Gravity
Thrust
Kinetic Energy
What is water resistance ?
friction between moving object in water
gravity in water
pulling force
friction between moving object in air
What makes water resistance similar to surface friction ?
slows things down
increases the friction
decreases the surface area
increases the surface area
Tony and Leen are investigating air resistance.
Tony drops a paper clip, a feather, a watch and a shoe from the same height.
which object will take the longest time to reach the ground?
the paper clip
the feather
the watch
the shoe
A leaf falls from a tree
what causes the leaf to fall to the ground?
magnetism
friction
evaporation
gravity
Car brakes depends on......
Friction
Motion
Fuel
The separation technique that involves heating a solution until the liquid changes into a gaseous state, leaving behind a solid is known as
decanting
evaporation
loading
chromatography
Which tool or technique would best separate a mixture of gravel and sand?
Sieve
Paper filter
Magnet
Evaporation
Which of the images shows a solution?
Cereal
Pizza
Oil and water
Lemonade
What mixture could I use this type of tool to separate?
oil and water
sugar and sand
salt and corn flour
pebbles and baby powder
I used evaporation to separate a salt water mixture. What could I use to measure the salt after separation?
Will a toy car slow down quicker on carpet or foil?
Carpet because it is a rough surface and has more friction.
Carpet because it is a rough surface and has less friction.
Foil because it is a smooth surface and has more friction.
Foil because it is a smooth surface and has less friction.
conclusion
conclusion
What increases during exercise? (Tick all that Apply)
Heart Rate
Breathing Rate
Sweat Rate
Why does Heart Rate increase During Exercise
To increase blood supply to the working muscles
To increase the supply of oxygen rich blood to the working muscles
To increase the delivery of the fuel Glucose to the muscles to be used to power them
To allow us to eat during exercise
Why does your heart beat faster when you run around?
To catch up with your legs.
Your body needs more oxygen from your blood
Your body needs more Carbon Monoxide
Which will increase your heart rate more?
Running
Walking
The Sun is a natural satellite of the Earth.
True
False
The sun is a _______.
star
planet
satellite
meteor
What's the name of the Earth's natural satellite?
(use only one word)
(a)
The Sun appears to move across the sky each day. What causes this?
The spinning of Earth on its axis.
The path of the Sun around the Earth
The energy produced by the Sun.
The tilt of the Earth on its axis.
The Sun, Earth, and the Moon share the same similarities in their
Shape (Sphere)
Color
Size
How does sea level affect animals living on the beach?
A) It provides more space for animals to roam and explore.
B) It can flood habitats, forcing animals to find new places to live.
C) It decreases the amount of food available for animals to eat.
D) It has no impact on animals living on the beach.
This variable is the one thing that changed on purpose...
Dependent Variable
Control
Independent Variable
These are the variables that should stay the same. They do not get any changes in order to make for a fair test.
Dependent Variables
Controlled variables
Independent Variables
You are testing how the amount you water a plant affects its growth. What would be the INDEPENDENT VARIABLE in this experiment.
They type of pot you put the plants in.
The amount you water each plant.
The amount of sunlight the plants get.
The amount the plant grows.
Mr. Pransky wants to see how different surfaces affect how high a tennis ball can bounce. What is the independent variable?
the different surfaces
using the same ball
how high they bounce
