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WorksheetsCycle 2 Review - Science
Total questions: 103
Worksheet time: 1hrs 17mins
Which is an example of a non-contact force?
Push
Pull
Magnetism
Friction
A force that pushes objects away from each other
electrical charge
attraction
force
repulsion
Teacher Tass rubbed two balloons with a piece of wool. What will happen when the balloons are brought near each other?
Sandra rubs her socks along the wool carpet as she walks across her house. She grabs onto a metal chair. What will most likely happen as she touches the chair?
The charge will disappear.
The chair will repel her.
She will get a light shock.
She will build up more charge.
Which of these is an example of static electricity?
A piece of metal is repelled by another piece of metal.
A current runs through a wire and a light bulb lights up.
A person is shocked by sticking a fork in a toaster oven.
A person's hair stands up straight after taking off a sweater.
What type of energy transformation occurs, when a hawk eats a mouse and then uses the energy from the mouse to fly?
mechanical energy to chemical energy
thermal energy to mechanical energy
chemical energy to mechanical energy
mechanical energy to thermal energy
What kind of energy is represented in the picture?
Thermal
Chemical
Sound
Kinetic
If you were building a circuit, why would you use copper and not rubber to send electricity through the circuit?
Turning on a light bulb in a lamp demonstrates that electrical energy can be used to produce which of the following?
sound and light energy
heat and sound energy
heat and mechanical energy
Hot-air balloons rise when a burner, positioned under the opening of the balloon, uses the gas propane to create a blast of fire. What form of energy causes a hot-air balloon to rise into the air?
mechanical energy
light energy
heat energy
electrical energy
What is a closed circuit?
a circuit with at least two different forms of energy
a circuit that allows the flow of electricity
a circuit that does not allow the flow of electricity
a circuit that allows all forms of energy to pass through
What is an open circuit?
a circuit with at least two different forms of energy
a circuit that allows the flow of electricity
a circuit that does not allow the flow of electricity
a circuit that allows all forms of energy to pass through
Which material could fill in the gap for a circuit to create a closed circuit?
metal spoon
rubber ball
plastic spoon
construction paper
Why type of circuit is shown in the picture below?
magnetic loop
open circuit
this is not a circuit
closed circuit
What is the source of energy in the circuit above?
Light bulb
Battery
Wire
Rubber covering
An object is added to the spot in Circuit B but the light bulb does not illuminate. What might be the problem?
The object added was an insulator.
The object added was a conductor.
The object was made of metal.
The object created a closed circuit.
What is the purpose of the rubber coating on wires?
serves as a conductor for the circuit
prevents the light bulb from using up too much energy
serves as an insulator for protection
closes the circuit
Ms. Alms holds a warm cup of coffee by wrapping her hands around the mug. Which form of energy causes the warmth she feels on her hands?
thermal
light
electrical
mechanical
A lightbulb is attached to a battery by a wire. It lights up as a result of what form of energy provided by the battery?
thermal
light
electrical
mechanical
_______________ is the ability to do work or cause change.
Energy
Speed
Motion
Electricity
Which science tools could you use to separate this?
microscope
tweezers
battery
sieve
How can we remove sand from a sand and water mixture?
Tweezers
Filter
Magnet
A combination of substances that dissolve into one another--they are evenly mixed so that individual parts cannot be seen or separated.
solutions
mixtures
observations
What is this tool used for?
To separate mixtures
To test if an object is a magnet
To look at an object closter
To weigh an object
What property of water changes after creating a solution of lemon juice and water?
Shape
Temperature
Taste
State
Which one of the following solids is insoluble (can't dissolve) in water?
sugar
sand
instant coffee
salt
Does sand dissolve?
Dissolves
Doesn't dissolve
Does this solid dissolve?
Dissolves
Doesn't dissolve
Does oil dissolve?
Dissolves
Doesn't dissolve
Does this solid dissolve?
Dissolves
Doesn't dissolve
Does this solid dissolve?
Dissolves
Doesn't dissolve
Does this solid dissolve?
Dissolves
Doesn't dissolve
A combination of two or more substances is called a...
Salad
Solution
Mixture
To mix together is to...
Separate
Combine
Solution
To pull or take apart is to...
Separate
Mixture
Solution
A chemical change is a change in
an item's properties such as size, shape, density
an item that creates a new substance, releases light or heat
an item's sound
an item's look or state of matter
A physical change is a change
in an item's properties like its shape, size or density.
that creates a new substance or emits light or heat
that creates a smell
that cannot be undone
This change is a
chemical reaction
physical change
musical change
all answers are correct
How is a chemical change different from a physical change?
there is no difference
a physical change creates a new substance
a chemical change creates a new substance
What is matter?
Anything that has mass and takes up space.
A form of energy.
A physical combination of 2 or more substances.
What kind of matter spreads to fill a space?
Solid
Liquid
Gas
Which state of matter has a definite volume and takes the shape of its container?
Solid
Liquid
Gas
Which state of matter has a definite shape and volume?
Solid
Liquid
Gas
Which is an example of a different substance being formed?
glass breaking
metal melting
water freezing
wood burning
Students observed a piece of iron change from shiny to rusty. What caused this change?
a chemical reaction
a heat reaction
a cold reaction
a physical reaction
Which science tools could you use to separate this?
microscope
tweezers
battery
sieve
How can we remove sand from a sand and water mixture?
Tweezers
Filter
Magnet
A combination of substances that dissolve into one another--they are evenly mixed so that individual parts cannot be seen or separated.
solutions
mixtures
observations
What is this tool used for?
To separate mixtures
To test if an object is a magnet
To look at an object closter
To weigh an object
What property of water changes after creating a solution of lemon juice and water?
Shape
Temperature
Taste
State
Which one of the following solids is insoluble (can't dissolve) in water?
sugar
sand
instant coffee
salt
Does sand dissolve?
Dissolves
Doesn't dissolve
Does this solid dissolve?
Dissolves
Doesn't dissolve
Does oil dissolve?
Dissolves
Doesn't dissolve
Does this solid dissolve?
Dissolves
Doesn't dissolve
Does this solid dissolve?
Dissolves
Doesn't dissolve
Does this solid dissolve?
Dissolves
Doesn't dissolve
A combination of two or more substances is called a...
Salad
Solution
Mixture
To mix together is to...
Separate
Combine
Solution
To pull or take apart is to...
Separate
Mixture
Solution
A chemical change is a change in
an item's properties such as size, shape, density
an item that creates a new substance, releases light or heat
an item's sound
an item's look or state of matter
A physical change is a change
in an item's properties like its shape, size or density.
that creates a new substance or emits light or heat
that creates a smell
that cannot be undone
This change is a
chemical reaction
physical change
musical change
all answers are correct
How is a chemical change different from a physical change?
there is no difference
a physical change creates a new substance
a chemical change creates a new substance
What is matter?
Anything that has mass and takes up space.
A form of energy.
A physical combination of 2 or more substances.
What kind of matter spreads to fill a space?
Solid
Liquid
Gas
Which state of matter has a definite volume and takes the shape of its container?
Solid
Liquid
Gas
Which state of matter has a definite shape and volume?
Solid
Liquid
Gas
Which is an example of a different substance being formed?
glass breaking
metal melting
water freezing
wood burning
Students observed a piece of iron change from shiny to rusty. What caused this change?
a chemical reaction
a heat reaction
a cold reaction
a physical reaction
A book falls off the desk. What moves the book towards the floor?
mass
friction
gravity
speed
A boy rides a skate board down a hill. Eventually the skate board stops. Which is most responsible for causing the skateboard to stop?
gravity acting on the skateboard
friction acting on the skateboard
the mass of the skateboard
the mass of the boy
Which surface would have the least amount of friction?
A road
A carpet
An ice skating ring
Astro turff
Which surface would have the most amount of friction?
A road
Carpet
An ice skating ring
Astro turf
4 cars are at the starting line of a race. Which car will require the most force to start moving?
car with mass of 1200 kilograms
car with mass of 1500 kilograms
car with mass of 1700 kilograms
car with mass of 2000 kilograms
What was the average speed of a car that traveled 180 miles in 3 hours? (speed = distance÷time)
55 mph
60 mph
180 mph
540 mph
John pushed two identical toy cars across the same flat smooth floor. Why did both cars travel the same distance?
because he applied different forces to the two cars
because he pushed the cars at the same time
because he applied the same force to each of the two cars
because he pushed the cars at different times
As Chris and his dad add items to their shopping cart, which will most likely occur?
The cart will become easier to move because the items will increase the mass of the cart.
The cart will become more difficult to move because the items will increase the mass of the cart.
The cart will become more difficult to move because the items will decrease the mass of the cart.
The cart will become easier to move because the items will decrease the mass of the cart.
Katie was pulling a sled with her puppy in it. Katie’s sister then got into the sled with the puppy. How would the sled’s speed most likely change after Katie’s sister got into the sled?
The speed would decrease due to the change in mass.
The speed would decrease due to the change in gravity.
The speed would increase due to the change in mass.
The speed would increase due to the change in friction.
How fast was a train moving if it traveled 100 meters in 10 seconds? (speed = distance ÷ time)
90 meters per second
100 meters per second
1 meter per second
10 meters per second
Chris climbs onto a skateboard ramp halfway between the top and the bottom of the ramp. Because gravity acts on Chris, which is most likely to happen?
He won’t move.
He will roll down the ramp.
He will float above the ramp.
He will roll up the ramp.
Ana is pushing a wheelbarrow of rocks. She stops and unloads half of the rocks. How will this effect the force needed to move the wheelbarrow?
Gravity is decreased, making the wheelbarrow harder to move.
Gravity is increased, making the wheelbarrow easier to move.
Mass is decreased, making the wheelbarrow easier to move.
Friction is increased, making the wheelbarrow harder to move.
How fast was a train moving if it traveled 500 miles in 4 hours at a constant speed? (speed = distance ÷ time)
125 miles per hour
2000 miles per hour
100 miles per hour
200 miles per hour
