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FINAL EXAM PRACTICE SET-7H

Total questions: 101

Worksheet time: 3hrs 21mins

Name
Class
Date
1.

Find the mass.

a)

550.4 g

b)

559.4 g

c)

550.6 g

2.

What is the volume of the water in this graduated cylinder?

a)

10 mL

b)

15 mL

c)

12 mL

d)

14 mL

3.

What is the volume of the two red spheres?

a)

4 ml

b)

6 ml

c)

2 ml

d)

8 ml

4.
Which state of matter has particles that are tightly packed?
a)
liquid
b)
gas
c)
solid
5.
This state of matter has a changeable shape but the volume does not change. What is it?
a)
Solid
b)
Liquid
c)
Gas
d)
Energy
6.
What state of matter has NO definite volume and NO definite shape?
a)
solid
b)
liquid
c)
gas
d)
plasma
7.
During the melting change of state, does temperature...
a)
stay the same
b)
increase
c)
increase and decrease
d)
decrease
8.
Balance this equation
_N2 + _H2 --> _NH3
a)
1,2,3
b)
1,3,2
c)
1,1,2
d)
2,1,1
9.
What does the Law of Conservation of Mass state?
a)
Matter cannot be gained or lost in a chemical reaction.
b)
Matter can only be lost in a chemical reaction.
c)
Matter can only be gained in a chemical reaction.
d)
Matter can be gained and lost in a chemical reaction. 
10.

Baking a cake is an example of a

a)

Chemical change

b)

Physical chage

11.

Melting an ice cube is an example of a

a)

Chemical change

b)

Physical change

12.

What would likely happen if you were to touch the flask in which an exothermic reaction was occurring?

a)

The flask would feel cooler

b)

The flask would feel warmer

c)

The flask would feel the same before and after a reaction

d)

None of the above

13.
What line segment represents only the solid state?
a)
A-B
b)
B-C
c)
C-D
d)
D-E
14.
Between which points is the temperature of the substance remaining constant?
a)
A-B only. 
b)
A-B, C-D, E-F
c)
B-C only. 
d)
B-C, D-E
15.
True or false: melting and freezing occur at the same temperature!
a)
True
b)
False
c)
I don't know
16.
A substance's heating curve is shown in the graph.  What is its boiling point?
a)
100 C
b)
60 C
c)
80 C
d)
20 C
17.

How long does it take this substance to evaporate?

a)

about 1 minute

b)

about 2 minutes

c)

about 10 minutes

d)

about 15 minutes

18.

a type of acid is added to a beaker containing a piece of zinc. As a result, zinc chloride is formed and gas is released. This is an example of

a)

a chemical reaction

b)

a physical change

c)

evaporation

d)

photosynthesis

19.

What is the proper coefficient that goes in front of HCL after the equation is balanced?

____ Zn(s) + ____HCl(aq) ____>H2(g) + ____ ZnCl2(aq)

a)

1

b)

2

c)

4

d)

5

20.

Select ALL the factors that affect the rate of a chemical reaction

a)

concentration

b)

temperature

c)

surface area

d)

Volume

21.

Burning fossil fuels are examples of what type of reaction?

a)

Exothermic

b)

Endothermic

c)

isothermic

d)

none of the above

22.

The temperature of 20 grams of water changes from 5°C to 15°C. What is the total number of calories of heat energy absorbed by the water? (specific heat= 1.0cal/g°C)

a)

400

b)

200

c)

2

d)

30

23.

Photosynthesis changes water and carbon dioxide into what two products

a)

Water and Glucose

b)

Oxygen and Glucose

c)

Oxygen and Water

d)

CO2 and Glucose

24.

What is the name of the green pigment inside plants that absorb sunlight during photosynthesis?

a)

chloroplast

b)

chlorophyll

c)

photosynthesis

d)

stomata

25.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
CO2 + light + H2O --> O2 + glucose
b)
CO2 + glucose + H2O --> O2 + light
c)
O2 + light + H2O --> CO2 + glucose
d)
CO2 + O2 + H2O --> Light+ glucose
26.

Cells do cell respiration in order to make

a)

water

b)

glucose

c)

energy (ATP)

d)

oxygen

27.

Glucose/sugar and oxygen are...

a)

products of cell respiration

b)

reactants of cell respiration

28.

Which of the following is the correct chemical equation for cell respiration?

a)

6CO₂ + C₆H₁₂O₆ + 6O₂+ ATP --> H₂0

b)

CO₂ + H₂0 + light energy in Chlorophyll ---> C₆H₁₂O₆ + 6O₂

c)

6CO₂ + 6H₂0 + light energy in Chlorophyll ---> C₆H₁₂O₆ + 6O₂

d)

C₆H₁₂O₆ + 6O₂ ---> 6CO₂ + 6H₂0 + ATP

29.

What is an ecosystem??

a)

A group of organism of one species

b)

All the living and non-living things that interact in an area

c)

The study of the interaction between living organism and their environment

d)

Soil, water, air and sunliight

30.

what is the name for all the animals of the same species living in an ecosystem??

a)

community

b)

population

c)

Biosphere

d)

All of these

31.
When a plant is eaten by a grasshopper, the grasshopper is called
a)
Producer
b)
Primary consumer
c)
Secondary consumer
d)
Tertiary consumer
32.

When a plant is eaten by a caterpillar and the caterpillar is eaten by a frog, the frog is considered a

a)
Producer
b)
Primary consumer
c)
Secondary consumer
d)
Tertiary consumer
33.

When a plant is eaten by a caterpillar and the caterpillar is eaten by a frog, and the frog is eaten by a snake, the snake is a

a)
Producer
b)
Primary consumer
c)
Secondary consumer
d)
Tertiary consumer
34.

When the animal dies, what do you call the type of consumers that break them down?

a)
Producers
b)
Decomposers
c)

scavengers

d)

primary consumers

35.

Which of the following organisms is a producer?

a)

grass

b)

rabbit

c)

fox

d)

snake

36.

Which of the following organisms is a primary consumer?

a)

grass

b)

rabbit

c)

fox

d)

snake

37.

What would happen to the rabbit population if the fox population moved out of the area represented by the food web?

a)

The rabbit population would increase

b)

The rabbit population would decrease

c)

The rabbit population would neither increase nor decrease

38.
Remoras are small fish that swim close to or attach themselves to sharks.  Remoras eat small scraps left as the sharks feed and the sharks are unaffected. 
a)
Competition
b)
Predation
c)
Mutualism
d)
Commensalism
39.
A tapeworm and a dog have this type of relationship.
a)
mutualism
b)
parasitism
c)
commensalism
d)
competition
40.
Wrasse fish feed on the parasites found on the black sea bass's body (usually in the mouth). This is like dental floss for the fish and both species benefit.
This is an example of which type of symbiosis?
a)
Commensalism
b)
Mutualism
c)
Parasitism
d)
Predation
41.

Which graph best represents the relationship between the density of a substance and its state of matter (phase) for most earth materials, excluding water? [Key: S = solid, L = liquid, G = gas]

a)
b)
c)
d)
42.

The non living parts of an ecosystem (ex/ moisture, oxygen, carbon dioxide, light, minerals, rocks)

a)

abiotic factors

b)

biotic factors

c)

relationships

d)

soil

43.

Which type of organism that usually lives in a lake would not be found in level B due to lack of photosynthesis occurring?

a)

decomposer

b)

scavengers

c)

carnivores

d)

producers

44.

All of the populations that live in one area together

a)

limiting factors

b)

populations

c)

community

d)

speed limit

45.

Which graph shows what most likely would happen to the population of a certain animal if the predators DECREASED

a)
b)
c)
d)
46.

A squirrel is eaten by a fox. The fox is the _______.

a)
prey
b)
parasite
c)
predator
d)
all of these
47.

What is one food chain within this food web?

a)

eagle --> wolf --> rat

b)

corn --> grasshopper --> frog --> python

c)

python --> wolf --> thrush --> fruit fly

d)

grasshopper --> butterfly --> fruit fly

48.

Most scientists agree that an increase in the amount of greenhouse gases entering Earth's atmosphere such as CO2 causes

a)

a decrease in sea level

b)

a decrease in average surface temperatures

c)

an increase in average surface temperatures

d)

a decrease in polar ice caps melting

49.
If these teams are pulling with the same amount of force what will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
50.

If an object is not moving with a net force= 0, the forces acting upon it are _____________

a)

unbalanced

b)

balanced

51.

What is the net force?

a)

3 N

b)

3 N, right

c)

17 N, right

d)

3 N, left

52.

What is the Net Force and the direction of the object's movement as a result of the net force?

a)

5N, Right

b)

5N, Left

c)

9N, Right

d)

9N, Left

53.

You push on a door with 40 N of force. If the door doesn't move, the door is pushing back on you with _____of force.

a)

40N

b)

0N

c)

80N

d)

70N

54.

How much force is needed to accelerate a 3kg skateboard at 5m/s2. HINT: Use the attached image to assist you in the answer.

a)

8N

b)

1.6N

c)

0.6N

d)

15N

55.

A rocket engine thrusts the rocket into space because

a)

the exhaust pushes against the ground

b)

the exhaust pushes against the air

c)

every action produces an equal and opposite reaction

56.

What happens to the balloon if the air is released ?

a)

Balloon goes right

b)

Balloon goes up

c)

Balloon goes down

d)

Balloon goes left

57.

A 20 kg bike accelerates at 10 m/s2. What was the force?

a)

25 Newtons

b)

20 Newtons

c)

200 Newtons

d)

10 Newtons

58.

if you push a cart with a force of 60 N for 2 m... how much work have you done

a)

120 J

b)

30 J

c)

120 N

d)

30 N

59.
What type of simple machine is shown here?
a)
Pulley
b)
Wheel and Axle
c)
Lever
d)
Wedge
60.
Name this simple machine. 
a)
Inclined Plane
b)
Lever
c)
Pulley
d)
Wedge
61.

How much work is done if I use 5N of force to move an object 2 meters?

a)

10 Newtons

b)

7 Newtons

c)

10 Joules

d)

7 Joules

62.
The greatest amount of force is required to move the metal block up which inclined plane?
a)
A
b)
B
c)
C
d)
D
63.
A basketball with a mass of 0.60 kg is accelerated with a force of 10.8 N. If resisting forces are ignored, what is the acceleration of the basketball to the nearest m/s2?
a)
16 m/s2
b)
17 m/s2
c)
18 m/s2
d)
19 m/s2
64.

Which one of the levers would it take less force to lift?

a)

Lever A

b)

Lever B

65.

Which object would have the greatest force? (F=MA)

a)

a 10-kg object accelerating at 2 m/s2

b)

a 10-kg object accelerating at 5 m/s2

c)

a 20-kg object accelerating at 2 m/s2

d)

a 20-kg object accelerating at 4 m/s2

66.

What is the mechanical advantage of LEVER A based on the information provided in the image (MA= distance from the fulcrum to the Input Force/ distance from the fulcrum to the Output force)?

a)

4

b)

.25

c)

64

d)

.5

67.

An object at rest stay at rest and an object in motion stays in motion until acted upon by an unbalanced force.

a)

Newton's 3rd Law

b)

Force

c)

Newton's 2nd Law

d)

Newton's 1st Law

68.

Which of Newton's Laws is associated with the following statement: For every action, there is an equal and opposite reaction.

a)

Newton's

1st

Law of Motion

b)

Newton's

2nd

Law of Motion

c)

Newton's

3rd

Law of Motion

69.

Which action would require no work to be done on an object?

a)

lifting an object onto a truck

b)

pushing a box up a ramp

c)

increasing the speed of an object using more force

d)

holding a door in a stationary position

70.

How will these charges interact?

a)

Repel

b)

Attract

c)

No interaction

71.

How will these charges interact?

a)

Repel

b)

Attract

c)

No interaction

72.

Michael tries to pick up a small bit of plastic wrap that is on his desk. Michael's hand has a negative charge. The piece

of plastic has a positive charge. What will happen when Michael's hand gets close to the plastic?

a)

The plastic will neither move towards or away from Michael's hand.

b)

The plastic will circle around Michael's hand.

c)

The plastic will move away from Michael's hand.

d)

The plastic will move towards Michael's hand.

73.

Objects becomes electrically charged when:

a)

neutrons move

b)

protons move

c)

electrons move

d)

all of the above

74.

Will the balloons ATTRACT or REPEL each other?

a)
b)
75.
What will happen when these magnets are brought close together?
a)
They will attract each other.
b)
They will repel each other.
c)
Both magnets will turn to the left
d)
Both magnets will turn to the right
76.
Where is the force of attraction the strongest on a magnet?
a)
at the poles
b)
in the middle
c)
above the magnet
d)
below the magnet
77.

The force of gravitational attraction between the Sun and Venus could be increased by reducing which of the following?

a)

The distance between the Sun and Venus

b)

the period of rotation of the Sun

c)

The mass of the Sun and Venus

d)

The speed of the orbit of Venus

78.

As the mass of objects increases, gravity

a)

increases

b)

decreases

c)

stays the same

79.

What factor(s) cause one planet to have more gravity than other planets

a)

The planets mass

b)

The planet's distance from the Sun

c)

Both answers are correct

80.

In New York State there is a greater chance of a heat advisory in July than in December, because in July the Northern Hemisphere is tilted

a)

Towards the sun and temperatures are warmer

b)

Away from the sun and temperatures are cooler

c)

Away from the sun and temperatures are cooler

d)

Away from the sun and temperatures are warmer

81.
In winter, the axis of the earth is pointed away or toward the sun?
a)
towards
b)
up
c)
down
d)
away
82.
Which season is taking place in the Northern Hemisphere in Position 1?
a)
Winter
b)
Spring
c)
Summer
d)
Fall
83.
Which season is taking place in the Northern Hemisphere in Position 3?
a)
Winter
b)
Spring
c)
Summer
d)
Fall
84.
Which of the following best describes the tilt of the earth when it is summer in the southern hemisphere?
a)
The northern hemisphere is tilted toward the sun
b)
The northern hemisphere is tilted away from the sun
c)
The norther hemisphere is tilted neither toward or away from the sun
d)
Why are you talking about the northern hemisphere when you asked about the southern hemisphere?
85.

According to the image, compared to people living in the Northern hemisphere, people living in the Southern hemisphere would generally be experiencing

a)

fewer hours of daylight and warmer temperatures

b)

fewer hours of daylight and cooler temperatures

c)

more hours of daylight and warmer temperatures

d)

more hours of daylight and cooler temperatures

86.

We are able to see different phases of the moon because

a)

The sun reflects light onto the moon at different phases of its orbit

b)

The moon produces its own light

c)

The sun absorbs light from Earth

d)

The sun transmits sunlight

87.

Approximately how many weeks pass between the new moon and full moon?

a)

one month

b)

two weeks

c)

3 days

d)

24 hours

88.

What is the name of the moon phase at #7

a)

New Moon

b)

First Quarter

c)

Second Quarter

d)

Full Moon

89.

What is the name of the moon phase at #5

a)

New Moon

b)

Full Moon

90.

At what position would an observer see a Lunar Eclipse?

a)

1

b)

5

c)

3

d)

7

91.
A device that is used to measure atmospheric pressure is a ___________.
a)
barometer
b)
thermometer
c)
kilometer
d)
micrometer
92.
Which weather condition will most likely occur when the atmospheric pressure in an area begins falling?
a)
dry
b)
cold
c)
rainy
d)
sunny
93.
Which kind of weather change will occur with an increase in air pressure?
a)
cooler and dryer
b)
colder and rainier
c)
hotter and stormier
d)
warmer and moister
94.

The Coriolis Effect is caused by what?

a)

The wind blowing

b)

Earth's gravity pulling things down

c)

The rotation of the Earth

d)

The pull of the Moon

95.
___________ is the condition of the atmosphere and how it behaves over long periods of time.
a)
Weather
b)
Climate
c)
Temperature
d)
Meteorology
96.

As temperature increases, air density will

a)

increase

b)

decrease

c)

stay the same

97.
A cold front usually brings what kind of weather?
a)
snow  
b)
sunny and fair
c)
rain and/or thunderstorms 
d)
 cool and dry 
98.

What type of front moved through if the weather was partly cloudy, a light rain fell, and afterwards it got warmer?

a)

warm front

b)

cold front

99.
Which most likely produces clear, cool weather?
a)
zero air pressure
b)
stable air pressure
c)
a low pressure system
d)
a high pressure system
100.
What direction is the warm front moving on the map? 
a)
North
b)
South
c)
East
d)
West
101.
According to the map, which city is likely experiencing warmer weather?
a)
Seattle
b)
Chicago
c)
Boston
d)
San Diego

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