EoT-2 Science Revision

EoT-2 Integrated Science Revision

Multiple Choice

How to find speed?

• Distance : Time

• Distance x Time

• Distance + Time

• Distance - Time

Multiple Choice

What is speed?

• how far you go
• how much distance is covered over a period of time
• how fast you accelerate
• the change in the location of a object

Multiple Choice

What is needed to calculate work?

• time and distance

• speed and distance

• force and direction

• acceleration and velocity

Multiple Choice

What is the definition of work?

• A job that completes a task

• Energy transferred when a force makes an object move

• Earning money

• Using a computer

Multiple Choice

A force that tries to stop a moving object is known as?

• Gravitational force

• Force of friction

• Mechanical force

• Electrical force

Multiple Choice

Energy due to motion is ____________ energy. 

• Potential 
• Energy
• Kinetic
• Friction

Multiple Choice

Name this simple machine.

• Lever
• Wedge
• Pulley
• Inclined Plane

Multiple Choice

How to find the time?

• Distance x Speed

• Speed : Distance

• Distance : Speed

• Distance + Speed

Multiple Choice

Name this simple machine. 

• Wheel and Axle
• Lever
• Pulley
• Wedge

Multiple Choice

The faster an object moves, the ________ kinetic energy it has. 

• more
• less
• none of the above
• all of the above 

Multiple Choice

Name this simple machine. 

• Inclined Plane
• Lever
• Pulley
• Wedge

Multiple Choice

Ability to do work is known as?

• Energy

• Work

• Force

• Machine

Multiple Choice

Name this simple machine. 

• Screw
• Lever
• Pulley
• Wedge

Multiple Choice

__________ is stored energy. 

• Potential
• Kinetic
• None of the above 
• All of the above 

Multiple Choice

What is the center point of a lever called?

• Fulcrom
• A Thingy
• Cheese
• A Brick

Multiple Choice

If you push against an object and it doesn't move, are you doing work?

• No

• Yes

Multiple Choice

Stairs

• wedge
• pulley
• inclined plane
• wheel and axle

Multiple Choice

Gravitational potential energy depends on the ________ and ________ of the object. 

• Height and mass
• Friction and movement
• Mass and Movement
• Height and Friction 

Multiple Choice

Lightbulb

• wedge
• pulley
• incline plane
• screw

Multiple Choice

The energy used to turn the blades of a windmill is called_____________

• solar energy

• water energy

• wind energy

• muscular energy

Multiple Choice

This device

• wedge
• lever
• incline plane
• wheel and axle

Multiple Choice

What kind of energy is in a rock at the edge of a cliff?

• Potential
• Kinetic

Multiple Choice

What type of simple machine is this?

• wheel and axle
• gear
• lever
• inclined plane

Multiple Choice

Is this an example of work?

• Yes

• No

Multiple Choice

A simple machine that can split things apart or hold a door open.

• wedge
• screw
• lever
• hand

Multiple Choice

What kind of energy is in a moving skateboard?

• Potential
• Kinetic

Multiple Choice

Flagpole

• wedge
• pulley
• incline plane
• wheel and axle

Multiple Choice

Identify whether work is done or not in the picture

• Yes

• No

Multiple Choice

Pedals, handle bars and handbrakes on a bicycle

• wedges
• pulleys
• incline planes
• levers

Multiple Choice

What kind of energy is in a person climbing a ladder?

• Potential
• Kinetic
• Both

Multiple Choice

A fishing pole is an example of a compound machine. What simple machines are used to make up this compound machine?

• lever, wheel and axle, pulley
• wheel and axle, inclined plane, pulley
• wheel and axle, pulley, inclined plane

Multiple Choice

In order for work to be done, what two things need to happen?

• Object needs to move in any direction

• Object needs to have acceleration and speed

• Object must move and must move in the direction of the force applied

• Object needs to feel force, it doesn't matter if it moves

Multiple Choice

A simple machine is a device that helps to reduce the amount of _____ required to work.

• force
• energy
• work

Multiple Choice

What kind of energy is in a waving hand?

• Potential
• Kinetic

Multiple Choice

Identify this simple machine

• Lever
• Wheel & Axle
• Inclined Plane
• Screw

Multiple Choice

A push or pull that acts on an object is called

• Work

• Force

• Energy

• Momentum

Multiple Choice

Which simple machine is defined as an inclined plane wrapped around cylinder?

• wedge
• screw
• pulley
• lever

Multiple Choice

What kind of energy is in a stretched rubber band?

• Potential
• Kinetic

Multiple Choice

Which simple machine is defined as having two inclined planes back to back?

• inclined plane
• lever
• screw
• wedge

Multiple Choice

What is the formula to calculate speed?

• S = t/d
• S = d/t
• S = d x t
• S = t x d

Multiple Choice

Which simple machine is labeled D?

• inclined plane

• screw

• pulley

• lever

Multiple Choice

At which point is potential energy greatest?

• W
• X
• Y
• Z

Multiple Choice

Marawan is doing a report on compound machines. Which is the best way to describe a compound machine?

• a machine that is like a nail with threads wrapped around it

• a machine that makes moving and lifting things easier

• a machine made up of two or more simple machines

• a machine made of two inclined planes back to back

Multiple Choice

Identify the simple machine

• Wheel and axle

• Lever

• Pulley

• Wedge

Multiple Select

Three ways machines are useful

• increasing the force

• Increasing the distance

• Changing Direction

• Decrease the force

Multiple Choice

When a pendulum swings, at which point is kinetic energy highest?

• 1
• 2
• 3
• 4

Multiple Choice

When the force is perpendicular to the motion, the work being done is 0.

• True

• False

Multiple Choice

When a pendulum swings, at which point is potential energy at its greatest?

• 1
• 2
• 3
• 4

Multiple Choice

a man is pushing a table. Now the man is applying ____ on the table.

• work

• force

• energy

• muscles

Multiple Choice

Which point has the most potential energy?

• G
• f
• b
• a

Multiple Choice

What is the unit of measurement for work?

• meters

• newtons

• m/s

• Joules

Multiple Choice

Food has _________ energy. 

• Potential 
• Kinetic 
• None of the above 
• All of the above 

Multiple Choice

When we throw a ball into air, it falls back. The force responsible for this is

• muscular force.

• gravitational force.

• mechanical force

• none of these

Multiple Choice

Where would a person have to be located to have the minimum gravitational potential energy?

• up on the roof
• down in the basement
• in the middle
• outside

Multiple Choice

If force and motion are parallel, the work done is...?

• force times the distance

• force

• distance and speed

• force in N

Multiple Choice

A 0.40 kilogram bird is flying at a constant speed of 8.0 m/s. What is the bird's kinetic energy ?

• 3.2 J
• 4.2 J
• 2.0 J
• 12.8 J

Multiple Choice

A football kicked by a boy rolls on the ground to some distance and stops. The force which stops the ball is

• muscular force

• gravitational force.

• mechanical force.

• frictional force.

Multiple Choice

A 2600 kilogram car is moving at a speed of 25 m/s. How much kinetic energy does the car have?

• 427,500 J
• 237,500 J
• 437,500 J
• 537,500 J

Multiple Choice

How to find the distance?

• Speed x Time

• Speed : Time

• Time : Speed

• Speed + Time

Multiple Choice

2. The diagram to the right represents a diver’s motion from the top of a high diving board into a pool of water. At what point does the diver have the greatest kinetic energy and the least potential energy?

• 1
• 2
• 3
• 4

Multiple Choice

Which of the following activities would need energy the most?

• Riding a bicycle up a hill

• Walking

• Riding a bicycle on a level ground

• Doing homework

Multiple Choice

A 60.0 kg person walks from the ground to the roof of a 74.8 m tall building. How much gravitational potential energy does she have at the top of the building?

• 43982.4 J
• 63982.3 J
• 43962.4 J
• 83942.4 J

Multiple Choice

A ___________ is a device that changes the force or increases the motion from work.

• Work

• Job

• Machine

• Calculator

Multiple Choice

A pitcher throws a 0.145 kg baseball at a velocity of 30.0m/s. How much kinetic energy does the ball have?

• 65.35 J
• 87.25 J
• 23.45 J
• 65.25 J

Multiple Choice

Something that changes the speed, direction, or shape of another object by pushing or pulling

• force
• motion
• science
• sponge bob

Multiple Choice

Is this an example of work?

• Yes

• No!

Multiple Choice

Forces change the speed, direction or shape by ____________________-

• pushing or pulling
• shoving
• rolling
• jumping

Multiple Choice

A _________ does work with just one movement of the machine.

• Compound Machine

• Simple Machine

• Useful Machine

• Efficient Machine

Match

Match the following

• Force

• Motion

• Friction

• Position

• Gravity

A push or a pull

Movement of an Object

an opposing force to motion

The current location of an object.

A non contact force that pulls objects together

• A push or a pull

• Movement of an Object

• an opposing force to motion

• The current location of an object.

• A non contact force that pulls objects together

Multiple Choice

According to the graph how far does the person travel in the first 5 seconds?

• 2 m
• 10 m
• 0 m
• 5 m

Multiple Choice

The equation for momentum is?

• momentum = force - mass

• momentum = acceleration / mass

• momentum = mass x acceleration

• momentum = mass x velocity

Multiple Choice

A __________ is a combination of two or more simple machines

• Simple Machine

• Compound Machine

• Efficient Machine

• Useful Machine

Multiple Choice

Momentum is...

• rolling down a hill.

• the amount of motion an object has.

• the force that an object has.

• the speed of an object.

Multiple Choice

You have to push with 15 N of force to move it 10 meters. How much work do you do?

• 15 Joules

• 150 Joules

• 1.5 Joules

• .67 Joules

Multiple Choice

What is true about the relationship between mass and momentum.

• The less mass an object has, the more momentum it will have.

• The more mass an object has, the less momentum it will have.

• The more mass an object has, the more momentum it will have.

• Mass has nothing to do with momentum.

Multiple Select

Which is an example of a simple machine.

• Doorknob

• Pulley

• Bicycle

• Knife

Multiple Choice

If both dogs have the same velocity, which one has the greater momentum?

• The brown dog

• The white dog

Multiple Choice

Ms. Febri runs 10 km in 2 hours. What is her speed?

• 20 km/h

• 8 km/h

• 5 km/h

• 12 km/h

Multiple Choice

Which has more momentum: a 3.0 kg sledgehammer swung at 1.5m/s, or a 4.0 kg sledgehammer swung at 0.9 m/s?

• the 3.0 kg sledgehammer

• the 4.0 kg sledgehammer

Multiple Select

Which is an example of a compound machine.

• Knife

• Gears

• Doorknob

• Levers

Multiple Choice

500 J of work is done by a person who uses a force of 50N to move a box, how far does it go?

• 10 m

• 0.1 m

• 25,000 m

• 10 J

Multiple Choice

The purpose of machines is to _______________.

• Make us look cool

• Make work easier

• Change the way work is done

Multiple Choice

What is the person doing from 5 seconds to 10 seconds?

• Walking 
• Running
• Standing Still 
• Walking Fast

Multiple Choice

_____________ is a measure of how much of the work is changed into useful work

• Efficiency

• Energy

• Joule

• Newton

Multiple Choice

Newtons are the unit for _____________.

• Work

• Distance

• Acceleration

• Force

Multiple Choice

What is the equation for efficiency (%)

• output work divided by input work x 100

• input work divided by output work x 100

• output work divided by net force x 100

• Input work divided by net force x 100

Multiple Choice

Machines can be made more efficient by ____________.

• Increasing input

• Decreasing energy

• Increasing friction

• Reducing friction

Multiple Choice

A push or a pull

• Work

• Force

• Acceleration

• Speed

Multiple Choice

Machines change the way work is done in what way?

• Increase speed

• change the direction of a force

• Increase force

• All of the above

Multiple Choice

A runner races in the 100 meter dash.  It takes her 10 seconds to finish.  What is her average speed?

• 10 m/s
• 1000 m/s
• 100 seconds
• 10 seconds

Multiple Choice

What is the SI unit for work?

• Newtons

• Joules

• Grams

Multiple Choice

For work to be done on an object, the direction and force have to be going the same direction.

• True

• False

Multiple Choice

An airplane travels 4000 km. The airplane takes off at 07.00 am and landed at 11.00 at noon. What is the average speed of the airplane?

• 4 km/h

• 1000 km/h

• 4004 km/h

• 16,000 km/h

Multiple Choice

What is the mechanical advantage for a crate that weighs 950 N and is lifted with a pulley force of 250 N.

• 1.5

• 2.0

• 3.8

• 4.0

Multiple Choice

Picking up a box is an example of____________

• Work

• Not Work

Multiple Choice

You do 20 J of work in pushing a crate up a ramp. If the output work from the inclined plane is 11 J, then what is the efficiency of the inclined plane?

• 55%

• 45%

• 55J

• 55N

Multiple Choice

How far has the red runner gone in 3 seconds?

• 40 yards
• 10 yards
• 30 yards
• 20 yards

Multiple Choice

Pushing a box across the floor is an example of

• Work

• Not Work

Multiple Choice

Calculate work done on an object by a force equal 10 Newton and moved for 2 meters

• 12

• 20

• 28

• 36

Multiple Choice

Ms. Arni travels 120 km with a speed of 60 km/hour by using car. How long is the car will reach the destination?

• 180 hours

• 60 hours

• 3 hours

• 2 hours

Multiple Choice

Calculate force needed to move an object 5 meter if the work done is 10 joules

force = work / distance

• 2 newton

• 15 newton

• 10 newton

• 0 newton

Multiple Choice

You exert 200 J of work by pulling on an object with 20 N of force. What distance is the object moved?

• .01 m

• 10 m

• 10 J

• 4,000 m

Multiple Choice

calculate force if work =100 and distance =10

force = work / distance

• 80

• 10000

• 100

• 22

Multiple Choice

Velocity is 

• speed
• direction
• speed with a direction

Multiple Choice

Mr. Sufi runs a 400 m race with a speed of 4 m/s. What time will it take him to finish the race?

• 100 seconds

• 396 seconds

• 404 seconds

• 1600 seconds

Multiple Choice

On a distance vs. time graph, the steeper the slope _____

• the slower the speed
• the faster the speed
• less acceleration
• greater acceleration

Multiple Choice

Mr. Totok runs at 10 m/min for 5 min, what distance will he run?

• 2 meters

• 5 meters

• 15 meters

• 50 meters

Multiple Choice

Which of the following is a unit for acceleration?

• km/s
• m/s²
• mi/hr
• ft

Multiple Choice

Acceleration of an object happens when things ________

• slow down
• go faster
• change direction (turn)
• All of the above

Multiple Choice

The graph below represents

• Speed
• Velocity
• Acceleration
• Deceleration

Multiple Choice

The graph represents

• Acceleration
• No motion
• Deceleration
• Constant Velocity

Multiple Choice

The graph represents

• No motion
• Constant velocity
• Acceleration
• Deceleration

Multiple Choice

The graph represents

• no motion
• constant velocity
• acceleration
• negative acceleration

Multiple Choice

Calculate the average speed (in meter/sec) if a cheetah runs 180 meters in 10 seconds.

• 198 m/sec
• 170 m/sec
• 12 m/sec
• 18 m/sec

Multiple Choice

The momentum of an object depends upon the object's ___________&_____________.

• size and shape

• mass and speed

• mass and veloctiy

• mass and energy

Multiple Choice

The definition of momentum is

• Mass in Motion
• The size of an object
• The velocity of an object
• A comparison between two objects

Multiple Choice

The equation to calculate momentum is

• p=mv
• p=1/2mv²
• p=mgh
• p=mg

Multiple Choice

Which of the following images has more momentum?

• Object A
• Object B 
• They are the same

Multiple Choice

If two objects have the same mass, then the faster moving object has ____________ momentum.

• more 
• less
• the same

Multiple Choice

Two identical cars are travelling along EDSA. Car A is travelling at 80 km/hr , while Car B is travelling at 60km/hr. Which of the two cars would have a greater momentum?

• Car A

• Car B

• both have the same momentum

• cannot be determined

Multiple Select

Acceleration graphs have ______ on the y axis.(Choose 2 answers)

• time

• distance

• speed

• velocity

Multiple Choice

Which graph represents the greatest acceleration?

• A
• B
• C
• D

Multiple Choice

What is happening in this graph from point B to C?

• The object is going down a hill.
• The object is returning to its starting location.
• The object is slowing down.
• The object is staying still.

Multiple Choice

Which section of the graph shows constant velocity?

• AB
• BC
• EF
• GH

Multiple Choice

A negative acceleration means that your object is _____.

• doing nothing

• moving in circles

• speeding up

• slowing down

Multiple Choice

According to the graph how far does the person travel in the first 5 seconds?

• 2 m
• 10 m
• 0 m
• 5 m

Multiple Choice

What is the person doing from 5 seconds to 10 seconds?

• Walking 
• Running
• Standing Still 
• Walking Fast

Multiple Choice

When are you undergoing an acceleration in a car? 

• speed up
• slow down
• make turns
• All of the above 

Multiple Choice

The picture of the position vs. time graph shows an object that is...

• accelerating/speeding up
• moving at a constant speed 
• not moving 
• accelerating/slowing down. 

Multiple Choice

What is the total displacement of the object represented in this motion graph?

• 5 meters
• 4 meters
• 2 meters
• 0 meters

Multiple Choice

What is the total distance of the object represented in this motion graph?

• 0 meters
• 10 meters
• 11 meters
• 20 meters

Multiple Choice

What is the total displacement of the object represented in this motion graph?

• 0 meters
• 20 meters
• 30 meters
• 60 meters

Multiple Choice

What is the total displacement of the object represented in this motion graph?

• 0 meters
• 300 meters
• 450 meters
• 600 meters

Multiple Choice

Jermaine runs exactly 2 laps around a 400 meter track. What is the displacement?

• 800 meters

• 400 meters East

• 0 meters

• 200 meters SW

Multiple Choice

Bill runs 400 meters to Andy's house, turns around, and runs 400 meters back home.  What is Bill's displacement?

• 0 meters
• 400 meters
• 800 meters
• 1600 meters

Multiple Choice

Jerry walked from home to school, then from the school to the park. What is his total distance?

• 2 km

• 5 km

• 8 km

• 10 km

Multiple Choice

Scott travels north 5 miles and then goes west 3 miles before coming straight back south 2 miles. What is his distance?

• 10 miles

• 7 miles

• 8 miles

• 6 miles

Multiple Choice

Which represents the acceleration of the ball?

• A
• B
• C
• D

Multiple Choice

A horse gallops around a circular arena.  The centripetal force on the horse is ___.

• directed outward
• tension
• directed toward the center of the arena
• 9.8 N

Multiple Choice

Which of the following increase the centripetal force?

• Increasing the radius
• Increasing the velocity
• Decreasing the mass
• Decreasing the acceleration

Multiple Choice

the acceleration directon

• toward the center of the circle

• perpendicular to the center

• across the center