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WorksheetsScience Q3 Quiz
Total questions: 34
Worksheet time: 17mins
A ball is moving down the hill towards you but then your friend kicked the ball away from you. This resulted to a _________.
change in direction
change in size
change in shape
change in color
In a tug-of-war, when would a team win?
when there is a balanced force between the two teams
when there is more gravitational pull between the team
when one team applies more force thus creating an unbalanced force
Which statement is correct regarding the ball as it moves down the incline?
It has a net force acting on it.
The applied force is equal to friction.
All forces are balanced acting on it.
Its force is less than its mass.
If these boys are pulling with the same amount of force. What will happen?
The boy in blue will win.
The boy in red will win.
They will not move at all.
Both will fall down.
What keeps the Moon in orbit around Earth?
Earth's rotation.
Earth's gravity.
Earth's atmosphere.
Earth's shape.
Philip is playing tug of war with Nancy. They both understand that to win the game of tug of war, one player must pull the flag over their opponent's line, but during this particular game, the flag tied to the center of the rope is not moving. What is happening to the rope in this example?
Philip is applying more force in one direction.
Philip and Nancy are applying equal forces in the same direction.
Nancy is applying more force in one direction.
Philip and Nancy are applying equal forces in opposite directions.
If you apply the same force to two objects with different masses, the object with more mass will move ________.
fast
slowly
The arrow of the compass is a small magnet. One end of it is attracted to Earth's magnetic north pole. Which force allows the compass to show direction?
gravity
friction
magnetism
acceleration
It is your brother's birthday and there should be a little celebration for his birthday. Your mom told you to buy some food at the supermarket. What must occur to a shopping cart at rest in order to make it roll forward and for you to start shopping?
A force must be provided to overcome gravity.
An unbalanced force was applied to the cart pushing it forward.
Balanced forces must be acting on the cart.
The unbalanced force acting upon it must be smaller than that of friction.
Two students are in a baseball game. The first student hits a ball very hard and it has a greater acceleration than the second student who bunts the ball lightly. What is the reason why the first student has a greater acceleration when hitting the ball?
more force means greater acceleration
less force means greater acceleration
Less force means no acceleration
more force means no acceleration
A rocket is sent into space. When the power dies out, the rocket will just keep floating and moving in space forever. What can make it move?
remove gravity
an unbalanced force, such as a meteor, runs into it
Angelo has clay. Angelo will use both hands in molding the clay, what happens when two forces act in the same direction?
They cancel each other out.
Their strengths are added.
The stronger one prevails.
Their sum divided by the two is the total force.
Jupiter has about 317 times more mass than Earth. What can you infer/say from this fact?
That Jupiter’s gravitational force is much weaker than Earth’s gravitational force.
That Jupiter’s gravitational force is much stronger than Earth’s gravitational force.
That Jupiter’s and Earth’s gravitational forces are equal.
Mass has no effect on the gravitational force between two objects
Based on what you learned, magnets have north and south poles.
What will happen when these magnets are brought close together?
They will attract each other.
They will repel each other.
Both magnets will turn to the right
Both magnets will turn to the left
You went to clean your room. There are a lot of things in your room including magnets of different shapes. You need to make sure that none will be damaged by magnets. Magnets can harm which of the following:
computers
trumpets
pencils
books
Which statement about magnets is true.
All magnets can attract large objects
All magnets have the same shape and size
All magnets have a north and south pole
Magnets cannot pull solids
Observe the picture above. Why does the lower part of the child appear so much different in size from the upper part?
The light rays that travel through water and then into the air are enlarged.
The light rays that travel through water and then into the air are refracted.
The light rays that travel through the air and then into water are reduced.
The light rays that travel through the air and then into water are reflected.
A shiny aluminum screen was placed on the windshield of a parked car.
This screen helps to keep the car cool because it is_____?
reflects the sunlight
absorbs heat
causes evaporation
conducts electricity
When light hits an object, the rays can pass through it, bounce off it, or be absorbed by it. Light rays that bounce back are —
reflected
refracted
radar
radiant
Roger Bacon is credited for developing the magnifying glass.
His understanding of ________ was most useful for this development.
electricity
gravity
light
sound
What happens to light after it hits a mirror?
It goes through the mirror and bends.
It goes around the mirror.
It goes straight through the mirror.
It bounces off the mirror.
Which images are opaque?
D, E, & F
A & C
A & E
A,C,E, & F
If you were building a house in Alaska (where it can be daylight for months!), what type of material would be best to cover your windows and keep the sun out of your room?
opaque material
translucent material
transparent material
glass material
Why do objects cool down?
All heat will slowly be destroyed.
The cold attacks the heat.
The heat disappears.
Heat is always transferring so the heat will always move to a cooler place.
Annie puts his spoon into fresh, hot, mashed potatoes as shown in the picture. Which process takes place when the objects come together?
The temperature of the spoon decreases while the mashed potatoes remain the same.
Heat is transferred from mashed potatoes to the spoon.
The temperature of the spoon and mashed potatoes decreases.
Heat is transferred from the spoon to the mashed potatoes
As energy in the form of heat is added to an ice cube, it begins to melt. What causes melting.
Molecules in the ice cube move slower.
Molecules in the ice cube will stop its movement.
Molecules in the ice cube move faster.
Molecules in the ice cube remain the same.
Ashton warms a pure, solid substance.
He graphs the changes in temperature as shown in the figure below.
What is happening as he warms the substance?
molecules move more slowly
speed of the molecules is not changing
molecules move more rapidly
molecules speed up then slow down
Which example illustrates the transfer of energy through RADIATION?
feeling the warmth on the soles of your feet when you walk along the beach on a sunny day.
feeling warm air while standing in front of the blower from a heating system.
feeling warmth when you sit in a sunny place.
feeling the warmth of the bricks around a fireplace by touching them with your hand.
Sidney places a cup of hot cocoa on the counter to cool off so she can drink it safely. She watches the steam rise from the hot cocoa. Which type of thermal energy transfer is occurring as the steam rises into the surrounding air?
radiation
transformation
conduction
convection
What effect is produced by plucking a thin rubber band that has been pulled tightly?
Sound waves will be absorbed by your hand when you pluck the rubber band.
The sound you hear will increase in volume if the rubber band is pulled tightly.
The rubber band will vibrate faster and produce a higher pitch.
The rubber band will vibrate slower and produced a lower pitch.
When Mr. Carter yells his name in a cave, the sound reflects off the walls of the cave and travels back to his ears. What is this called?
pitch
echo
refraction
amplitude
Why does cupping your hands around your mouth when you shout make the sound travel further?
You are screaming.
The sound spreads out.
The sound energy is directed in one direction.
Your voice gets louder.
What happens to the sound when you pluck a shorter string of guitar?
gets quieter
gets higher in pitch
gets lower in pitch
gets louder
Destiny hits the drums with her drumstick and makes it vibrate.
She then puts her hand on the drums and stops the vibration.
What happened to the sound of the drums?
The sound continues but is not as loud.
The sound continues but has a lower pitch.
The sound stops because the vibrations have stopped.
The sound stops because her hand absorbs the sound.
