WorksheetsG3 Ca 2 Revision
Total questions: 40
Worksheet time: 24mins
A pair of students are discussing if a jar containing peanuts, pecans, and walnuts is a mixture. The student's ideas are listed below.
Student 1- "All of the items are nuts. The jar does not contain a mixture."
Student 2 - "There are different kinds of nuts in the jar. They make a mixture."
Which student provides the best explanation?
Student 1 has the best explanation because all of the items are nuts.
Student 1 has the best explanation because the nuts are the same size.
Student 2 has the best explanation because the nuts are not all the same kind.
Student 2 has the best explanation because the nuts are the same color.
A student puts metal paper clips, metal screws, and metal washers into a container. Which of the following best describes these materials?
mixture
plastic
liquid
magnets
A mixture can be created by –
pouring some water into a glass.
combining two or more materials.
blowing air through a straw.
melting a solid to form a liquid.
What tool can be used to easily separate a mixture of iron filings and plastic paper clips?
Beaker
Strainer
Balance
Magnet
How do we know that a salad is a mixture?
The salad is made up of different types of food.
Bits of the salad can be picked up with a fork.
The salad’s mass can be measured with a balance.
The items in the salad are mostly solid.
The sieve can separate ___________ from water.
sand
salt
coffee powder
stones
Which of these can be removed using a filter paper?
pebbles
soap powder
coffee powder
milk powder
Which is the correct meaning for the word dissolve?
method of separating solid from a liquid
method to separate 2 solids
when a substance breaks into smaller pieces and as if its 'disappear'.
contains one material
Filter paper can separate solids that have not dissolved. Which can be separated using filtering?
vinegar and water
sugar and water
tea leaves and water
baking powder and water
Which is the method used to separate the solids?
Filtration
Sieving
Evaporation
Sinking
Jelly powder will dissolve in water to form a clear solution. Which behaves like this jelly powder?
pebbles
marbles
coffee powder
sand
Which of these does not dissolve in water?
Which of these mixtures have dissolved completely?
a
b
c
a,b and c
What is matter?
Anything that has mass
Anything that occupies space
Both, anything that has mass and takes up space
I don't know
Which state of matter has NO specific shape or volume?
Solid
Liquid
Gas
ALL of them
A push or a pull:
Force
Speed
Distance
Time
When your position changes, you're in ____________.
motion
force
Force that opposite with the motion when two surface contact is called...
pull
push
friction
newton
Tom sliding on rough surface. The friction is small.
true
false
The helpful friction is on picture...
Gravity's keep us on ___
A. The moon
B. Earth
C. The sky
D. The clouds
The size of the force of gravity depends on the___ of an object.
A. Vibes
B. Mass
C. Color
D. Direction
We will not float off of Earth because of ___
A. Gravity
B Groovity
C. Grains
D. Granny
Which force is used to move this? (falling leaves)
magnet
gravity
moving water
electricity
A force that is caused by two surfaces rubbing together:
Friction
Force
Push
Pull
Gravity pushes you down to the earth.
True
False
What happens when you PUSH a ball?
It moves away
It moves closer
A boy throws a baseball up in the air. Why does the baseball fall back down to the ground?
the mass of the baseball decreases, causing it to fall
the weight of the ball causes the ball to fall
the force of gravity causes the ball to fall
the density of the ball causes the ball to fall
Why would you land on the ground instead of floating off into the space? Because ...
We are heavier than the Earth
The gravity pull us to the center of Earth
The air resistance is pushing against the gravity
What would happen, if gravity suddenly disappears?
we will able to walk on the Earth surface
we will hover in the space
we will be pulled by the Earth
Which statement about gravity is true?
gravity causes objects to pull towards one another
gravity causes objects to push away from each other
gravity only takes place between planets
the moon doesn't have any gravity
what is the instrument to measure a force?
(a)
What is the unit of a force?
Gram
Newton
The numbers in a forcemeter is called...
hook
scale
spring
