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IPC Finals Review Sem.1

Total questions: 83

Worksheet time: 2hrs 41mins

Name
Class
Date
1.
A testable prediction about a scientific investigation is a(n)
a)
Question
b)
Observation
c)
Hypothesis
d)
Experiment
2.
A series of steps used by scientists to solve a problem or answer a question. 
a)
scientific method
b)
recipe
c)
data collection
d)
metric system
3.

The variable that is being measured or observed is called the _______________. Hint: this is the variable that is the result or effect

a)

independent variable

b)

dependent variable

c)

control variable

4.

The independent variable is

a)

The variable that you change in an investigation

b)

The variable that you measure in an investigation

c)

A variable that you keep the same in an investigation

5.
If I ride my bike to school instead of walking, then I will get to school faster. What is the dependent variable?
a)
True
b)
How fast you get to school
c)
Riding a bike or walking
d)
False
6.

A general statement that describes a patterns that are often observed in nature.

a)

logical law

b)

civil law

c)

moral law

d)

scientific law

7.

An explanation based on many repeated observations during experiments.

a)

conclusion

b)

scientific law

c)

theory

d)

hypothesis

8.

What is the SI unit for length?

a)

meter

b)

mass

c)

length

d)

distance

9.

What is the SI unit for mass?

a)

gram

b)

kilogram

c)

centigram

d)

milligram

10.

Tally of the type of pets owned by students in the class. Which graph type is most appropriate

a)

Bar or column graph

b)

Scatter or line graph

c)

Pie chart

d)

None of these

11.

Percentage of people who have different colour eyes. Which graph type is most appropriate

a)

Bar or column graph

b)

Scatter or line graph

c)

Pie chart

d)

None of these

12.

7,000 g = ____ kg

a)

70

b)

700

c)

7

d)

0.07

13.

648 g = ____ mg

a)

6,480

b)

64,800

c)

648,000

d)

64.8

14.

1000 grams = _____ kilograms

a)

0.0001

b)

1,000,000

c)

10

d)

1

15.

1 L = _______ mL

a)

1

b)

10

c)

100

d)

1000

16.

Convert 50 degrees Celsius to Kelvin

a)

-223 K

b)

323 K

c)

50 C

d)

273 K

17.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Not moving
18.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
19.
Avery likes to walk 30 feet in 10 seconds. What is her speed?
a)
3 feet/sec
b)
6 feet/sec
c)
10 feet/sec
d)
2 feet/sec
20.
What is speed?
a)
how far you go
b)
how much distance is covered over a period of time
c)
how fast you accelerate
d)
the change in the location of a object
21.
Changes in our speed, direction or both are called _________.
a)
gravity
b)
changes
c)
acceleration
d)
displacement
22.

What does the term displacement mean?

a)

The direction of motion

b)

The distance traveled divided by time

c)

The change of position of an object

23.
What is the definition of velocity?
a)
A force that opposes motion
b)
Uniform circular motion
c)
The speed of an object in a particular direction
24.
A roller coasters accelerates from an initial velocity of of 6.0 m/s to a final velocity of 70 m/s over 4 seconds.  What's the acceleration?
a)
24 m/s2
b)
18 m/s2
c)
16 m/s2
d)
16 m/s
25.

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

a)

size and shape

b)

mass and speed

c)

mass and veloctiy

d)

mass and energy

26.
Determine the momentum of 1000-kg car moving northward at 20 m/s......... 
a)
20000 N
b)
20000 Joules
c)
20000 Kg * m/s
d)
20000 kg * m/s north
27.
Which graph represents zero acceleration (constant velocity)?
a)
A
b)
B
c)
C
d)
D
28.
Which one of Newton’s Laws of Motion best explains why the dishes do not move when the table cloth is removed?
a)

Law of Inertia

b)

Law of Acceleration

c)

Law of Action-Reaction

d)

Law of Gravitation

29.

Newton's Law of Inertia (first law) describes the motion of-

a)
Objects at rest only
b)
Objects in motion only
c)
Objects at rest and objects that are in motion
d)

Objects that accelerate

30.
Which law best explains why more force must be applied to the bowling ball to make it accelerate at the same rate as the tennis ball. 
a)

Law of Inertia

b)

Law of Acceleration

c)

Law of Action - Reaction

d)

Law of Gravitation

31.
For every action, there is an equal and opposite reaction.
a)

Law of Inertia

b)

Law of Acceleration

c)

Law of Action - Reaction

32.

What is Newtons 1st law of motion?

a)

Force = mass x accelerationForce\ =\ mass\ x\ acceleration   

b)

An object at rest stays at rest unless acted on an unbalanced force.

c)

For every action there is an equal and opposite reaction

d)

Weight=mass x gravityWeight=mass\ x\ gravity  

33.

An automobile you are riding in suddenly stops, but you continue to go forward.

a)

Law of Inertia

b)

Law of Acceleration

c)

Law of Action - reaction

34.

You push against a wall and the wall is pushing back on you.

a)

Law of Inertia

b)

Law of Acceleration

c)

Law of Action Reaction

35.
What is gravity?
a)
A resistance to change. 
b)
A force that attracts and repels objects.
c)
A force that pulls objects "in" or together.
d)
A force that causes objects in motion to stay in motion. 
36.
What is inertia? 
a)
A force that attracts and repels objects. 
b)
An object in motion that was to stay in a straight path unless it is acted upon by another force. 
c)
A force that pulls objects "in" or together. 
d)
A force that is measured in Newtons. 
37.

This type of force resists motion between two surfaces that are pressed together

a)

mass

b)
gravity
c)
friction
d)

a push

38.
What is the net force in this picture?
a)
50 Newtons to the right
b)
950 Newtons to the right
c)
950 Newtons to the left
d)
50 Newtons to the left
39.
What is the net force of this object? 
a)
10 N, no direction
b)
10 N left
c)
5 N right
d)
0 N no direction
40.

The upward force which is exerted against a falling object is

a)

gravity

b)

terminal velocity

c)

air resistance

d)

intertia

41.
Wheels on a skateboard most likely experiences-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
42.
Sally experiences-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
43.
Objects balanced on Timmy's head experiences-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
44.

Which type of friction is shown in the picture?

a)

fluid

b)

static

c)

rolling

d)

sliding

45.

The sum of kinetic and potential energy is called...

a)

sum energy

b)

nonmechanical energy

c)

mechanical energy

d)

space energy

46.

work is done when

a)

the object you apply a force on moves

b)

any force is applied to an object, regardless if it moves or not

c)

the force is zero

d)

the force and direction of motion are perpendicular

47.
The unit used to measure work is the 
a)
Watt
b)
Newton
c)
Joule
d)
meter
48.
Any device that makes work easier is called a ______________________.
a)
Joule 
b)
prop
c)
lever
d)
machine
49.
A 5000N block is lifted 10 m. How much work was done?
a)
50000 J
b)
5000 J
c)
500 J
d)
50 J
50.
Force is a _____ or _______
a)
simple    complex
b)
push     pull
c)
up      down
d)
in      out
51.
If you use a crowbar to get the lid off of a bucket, what simple machine are you using?
a)
Inclined Plane
b)
Pulley
c)
Wheel and Axle
d)
Lever
52.
Stairs
a)
wedge
b)
pulley
c)
inclined plane
d)
wheel and axle
53.
Which is not a type of simple machine?
a)
spring
b)
screw
c)
pulley
d)
wedge
54.
What would have the greatest kinetic energy?
a)
A car driving down a hill.
b)
A person running down a hill. 
c)
A ball rolling down a hill. 
55.

Which point has the most potential energy?

a)

G

b)

F

c)

B

d)

A

56.

ratio of output work to input work

a)

work

b)

energy

c)

efficiency

d)

joule

57.

energy stored in chemical bonds

a)

gravitational potential energy

b)

chemical potential energy

c)

elastic potential energy

d)

kinetic energy

58.

does work with only one movement of the machine

a)

simple machine

b)

work

c)

compound machine

d)

joule

59.

Energy cannot be created or destroyed

a)

mechanical energy

b)

efficiency

c)

law of conservation of energy

d)

work

60.

Heat is also called ________ energy.

a)

kinetic

b)

radiant

c)

chemical

d)

thermal

61.

The number of waves that pass a fixed point is the wave's ______________________.

a)

amplitude

b)

wavelength

c)

frequency

d)

wave speed

62.

Which wave has the highest frequency?

a)

gamma rays

b)

infrared

c)

ultraviolet

d)

microwaves

63.

Which wave has the longest wavelength?

a)

gamma rays

b)

infrared

c)

ultraviolet

d)

microwaves

64.

Jill drops a rock in the water and creates a wave. The wave has a frequency of 2Hz and a wavelength of 4cm. What is the wave speed in cm/s?

4 lines
65.

The distance between two troughs in a wave is:

a)

frequency

b)

wavelength

c)

equilibrium

d)

period

66.

The area of a longitudinal wave where the particles are crowded together.

a)

compression

b)

crest

c)

transverse

d)

medium

67.

The highest point on a wave.

a)

frequency

b)

compression

c)

trough

d)

crest

68.
a)
Longitdinal Wave
b)
Transverse Wave
69.
What type of wave is this?
a)
Longitudinal
b)
Transverse
70.
Waves are a transfer of what?
a)
Heat
b)
Light
c)
Energy
d)
Food
71.
What property of the wave is represented by the letter "B"?
a)
amplitude
b)
crest
c)
trough
d)
wavelength
72.

What best defines interference?

a)

The bouncing of a wave off a boundary or object

b)

The bending of a wave as it enters a new medium

c)

The spreading of a wave around an obstacle

d)

The overlapping of waves

73.

What best defines diffraction?

a)

The bouncing of a wave off an object or boundary

b)

The spreading of a wave around an obstacle

c)

The bending of a wave as it enters a new medium

d)

The overlapping of waves

74.

If the man throws the spear at the image, then he will miss the fish. This is because the water bends the light. What is this an example of?

a)

Interference

b)

Refraction

c)

Diffraction

d)

Reflection

75.

What are echos an example of?

a)

Reflection

b)

Refraction

c)

Diffraction

d)

Resonance

76.

The waves with the longest wavelengths in the electromagnetic spectrum are

a)

Infrared rays.

b)

radio waves

c)

gamma rays

d)

X-rays

77.

The visible light spectrum ranges between

a)

radar waves and X-rays.

b)

television waves and infrared rays.

c)

infrared rays and ultraviolet rays.

d)

ultraviolet rays and gamma rays.

78.

Select the correct order of waves on the EM Spectrum from low to high energy

a)

Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma

b)

Gamma, X-ray, Ultra, Vis, Infra, Micro, Radio

c)

Vis, Micro, Infra, Ultra, X-ray, Gamma, Radio

d)

Micro, Radio, Vis, Infra, Ultra, X-ray, Gamma

79.

Name the part of the ear labeled as 6 in the diagram.

a)

anvil

b)

ear canal

c)

stirrup

d)

cochlea

80.

This is the inner part of your ear. It vibrates when sound waves reach it. What is it?

a)

eardrum

b)

sound waves

c)

pitch

d)

vibrate

81.

What is inside of the Cochlea?

a)

Liquid, and tiny hairs

b)

Water, and tiny hairs

c)

Acid, and hairs

d)

Water, and fuzz

82.
the loudness of sound is determined by its______
a)
Frequency
b)
speed
c)
intensity
d)
wavelength
83.

a unit that compares the intensity of different sounds

a)

intensity

b)

loudness

c)

decibel

d)

pitch

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