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WorksheetsPH CH 1 to CH 15 Revision
Total questions: 120
Worksheet time: 5hrs 51mins
The cover of Gerald's favorite book is 34 cm long by 19 cm wide. What is the perimeter?
54 cm
94 cm
106 cm
101 cm
Compare both the area and the perimeter for the two rectangles above. Which of the following statements is true?
While the perimeter is equal for both shapes, shape A has a larger area.
Shape B has a larger perimeter and area.
Shape A has a larger perimeter and area.
While the perimeter is equal for both shapes, shape B has a larger area.
The length and width of a wooden box are shown above. If the volume of the wooden box is 64 cubic inches, what would be the height?
2 inches
12 inches
32 inches
8 inches
What is the volume of the rectangular prism in cubic feet?
144 ft³
142 ft³
36 ft³
68 ft³
Convert 3 meters to centimeters:
300 cm
0.3 cm
30,000 cm
3 cn
If you have 20 lbs of flour, how many kilograms do you have?
8.18 kg
9.09 kg
10 kg
9 kg
Convert 50 lbs to kg.
22.73 kg
23 kg
22.5 kg
25 kg
*A boat travels 12.0 m while it reduces its velocity from 9.5 m/s to 5.5 m/s. What is the magnitude of the boat’s acceleration while it travels the 12.0 m?
1.3 m/s2
2.5 m/s2
3.0 m/s2
7.5 m/s2
Kinematic equation can only be used when you have a constant ....
Position
Velocity
Acceleration
Time
The unit we use to measure acceleration is ___.
m/s
m
s
m/s2
*A golf ball starts with a speed of 2 m/s and slows at a constant rate of 0.5 m/s2, what is its velocity after 2 s?
0 m/s
0.5 m/s
1 m/s
1.5 m/s
*A golf ball accelerates off a tee at 15 m/s2, changing its velocity from 0 m/s to 50 m/s down the fairway. How long did it take the golf ball to accelerate?
750 seconds
35 seconds
0.3 seconds
3.3 seconds
Match the description to the graph:
"The car is traveling at a constant speed."
Match the description to the graph:
"The car is coming back."
Which runner won the race?
Albert
Bob
Charlie
Calculate the distance travelled in section C.
(a)
find the covered distance from t=0 to t= 10 s
600 m
300 m
900 m
1200 m
When we say that light objects and heavy objects fall at the same rate, what assumption are we making?
They have the same shape.
They are falling in a vacuum
They are made of the same material.
They have the same size.
The momentum of an object depends upon the object's ___________&_____________.
size and shape
mass and speed
mass and veloctiy
mass and energy
Which is true about centripetal force and centripetal acceleration?
The centripetal acceleration is always pointing toward the center of an orbit and the centripetal force is always pointing outward
The centripetal acceleration is always pointing outward from the center of an orbit and the centripetal force is always pointing inward
The centripetal acceleration is always pointing toward the center of an orbit and the centripetal force also pointing toward the center but in a totally different location
The centripetal acceleration is always pointing toward the center of an orbit and the centripetal force also pointing toward the center and in the same exact location as the centripetal acceleration
As the radius of a spinning object decreases, acceleration
increases
decreases
stays the same
In which of the diagrams is the moment about point O the largest? (OX = 25 cm, OY = 50 cm)
What is the clockwise moment acting on this crane?
80,000Nm
100,000Nm
120,000Nm
140,000Nm
What is the moment acting on the right side of the pivot?
2 Nm
20 Nm
200 Nm
0.2 Nm
A force exerts a moment of 2 Nm. What is the distance of the force from the pivot?
2 m
4 m
1 m
0.5 m
Find the amount of a downward force that is located 2 m from the pivot on the seesaw if in other side a different downward force 4 N acted on it in a distance of 1 m.
4 N
3 N
2 N
1 N
Which one is the measure of how much matter an object has?
weight
gravity
mass
volume
Where will be the centre of gravity of a uniform rod lies ?
At its end
At its middle point
At its centre of its cross sectional area
Depends upon its material
Which one describe the point through which the whole weight of the body acts?
Inertial Point
Center of gravity
Centriod
Central point
Why is the car on the left unstable?
Its centre of mass is high
it has a narrow base
it has a high height
all of the above
What is one way you might increase the stability of an object?
Lower the centre of gravity
Raise the centre of gravity
Any object with mass has gravity.
true
false
Center of gravity of an object depends on it's
weight
mass
shape
Pressure depends on depth
Diagram shows the design of a dam. Why does the thickness of the dam increase with its depth?
The design of this structure is stronger.
Water pressure increases with depth.
The cost of construction is lower.
Water pressure acts uniformly in all directions.
The figure shows a pond with two fish P and Q.
What is the correct relation of the water pressures on fish P and fish Q?
Water pressure on fish Q > Water pressure on fish P.
Water pressure on fish Q < Water pressure on fish P.
Water pressure on fish Q = Water pressure on fish P.
The diagrams show, to the same scale, the vertical sections of a set of circular vessels, each containing the same depth of water.
The water exerts the same pressure on the base of each vessel.
The water exerts the greatest pressure on the base of vessel S.
The water exerts the greatest pressure on the base of vessel P.
The water exerts the same force on the base of each vessel.
A cyclist at the top of a hill has...
Kinetic Energy
Chemical Potential Energy
Elastic Potential Energy
Gravitational Potential Energy
Energy stored in objects being stretched or squashed...
Elastic Potential Energy
Kinetic Energy
Chemical Energy
Thermal Energy
Identify the energy transfer
electrical to chemical to light
kinetic to potential
chemical to electrical to light
light to sound
What is the wasted energy here? (we want movement)
heat, light and sound
chemical, electrical and movement
Sound, sound and sound
Identify the energy transfer
kinetic to mechamical
light to thermal
potential to kinetic
electrical to magnetism
Identify the energy transfer
chemical to electrical to sound
sound to electrical to chemical
electrical to sound to chemical
potential to kinetic to light
Identify the energy transfer
chemical to light
thermal to electrical
chemical to heat
electrical to thermal
Identify the energy transfer
mechanical to light
chemical to kinetic
electrical to mechanical
kinetic to thermal
Identify the energy transfer
chemical to kinetic
solar to electrical
thermal to light
electrical to light
Which type of energy is NOT given off by a fire?
light
electrical
thermal
sound
Identify the energy transfer
sound to kinetic
sound to light
mechanical to sound
chemical to sound
What is the definition of power?
Power is a comparison of how much energy is used to do work versus how much is lost or wasted to the environment.
Power means that you are in charge.
Power is the ability to lift things up and put them down.
Power is the rate at which someone, or something, uses energy.
If Mr. P runs up a flight of stairs with a height of 10 meters in 5 seconds and Mr. P’s twin brother who has the same mass runs up the same flight of stairs in 4 seconds. Who has more power?
Ms. Poteete
Mr. P
Mr. P's twin brother
Ms. Millard
An engine has an inout of 5000 W. The useful output is 4000W. Calculate its percentage efficiency.
90%
80%
75%
85%
A washing machine uses 250J of electrical energy to produce 125J of useful energy. How efficient is it?
5%
50%
55%
100%
Energy and work are measured in
kilograms
meters
Joules
m/s
The kinetic model of matter states that
atoms and molecules move in continuous and non-random motion.
atoms and molecules move in continuous and random motion.
the kinetic energies of atoms and molecules increase with increasing temperature.
the pressure of atoms and molecules is due to the collision of these particles with the walls of the container they are in.
Solids have high densities relative to liquids because
1 the particles in solids are far apart.
2 the particles in solids have large masses.
3 the particles in solids do not move about.
1 only
2 only
2 and 3 only
None of the above
In which phase of matter is there the most potential for movement? (a)
Solid
Liquid
Gas
Plasma
In which phase of matter is there the most potential for movement? (a)
Solid
Liquid
Gas
Plasma
Which phase of matter does not have a definite shape yet the particles will not fill the container? (a)
Solid
Liquid
Gas
Plasma
In terms of spacing, what is necessary to change from a solid to a liquid?
Increase in spacing
Decrease in spacing
No change
Add heat
Solid to Liquid
Liquid to Solid
Heat Added
Heat Removed
High Kinetic Energy
Low Kinetic Energy
What property of gas particles is measured by temperature?
Pressure
Moles
Kinetic Energy
Volume
Which of these is NOT in Boyle's law (because it stays the same?)
Pressure
Volume
Temperature
What is the mass of a 25 cm3 liquid if it has a density of 5 g/cm3?
125 g
5 g
cm35g
0.2 cm3
In this image, the VOLUME of A is _____ the volume of B
equal to
greater than
less than
Calculate the density of the rectangular prism
2 g/cm3
4 g/cm3
6 g/cm3
8 g/cm3
Three liquids and two solids are placed in a graduated cylinder. The substances arrange themselves in the cylinder according to their densities. Use the information to identify the liquids and solids in the graduated cylinder. start with the top solid as substance 1, and the top liquid as substance 2, and so on
Gold
Mercury
water
Gasoline
Cork
Which box has a higher density?
A
B
They are the same
Calculate the Density in g/cm3 if...
M = 100g and V = 50cm3
2
5000
0.5
150
Find the density of a 2 cm x 2 cm x 2 cm cube with a mass of 64 g.
(Hint: find the volume first!)
13 g/cm3
2 g/cm3
10 g/cm3
8 g/cm3
