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Science - NeSA 8

Total questions: 73

Worksheet time: 48mins

Name
Class
Date
1.

An experiment is conducted to determine if putting an additive in gasoline will improve gas mileage. All cars used are identical. The gasoline used in each car is the same. Which fuel is in the control car?

a)

only additive

b)

only gasoilne

c)

one part gasoline and one part additive

d)

two parts gasoline and one part additive

2.

What are two types of variables used in scientific experiments

a)

predictable and fixed variables

b)

observed and theoretical variables

c)

independent and dependent variales

d)

testable and dependent variables

3.
Which type of force(s) will cause a change in an object's motion?
a)
gravity
b)
zero net force
c)
balanced forces
d)
unbalanced forces
4.
What is the name for a push or pull?
a)
A movement
b)
A force
c)
Speed
d)
Density
5.
friction is a force that acts 
a)
in the same direction as the force
b)
opposite to the direction of the force
c)
with the force
d)
towards the direction of the force
6.
Which law explains why when you put a book on a table the table pushes on the book
a)
3rd law
b)
4th law
c)
1st law
d)
2nd law
7.
What is Newton's First Law
a)
F=ma
b)
Every action has an equal and opposite reaction
c)
An object at rest stays at rest, an object in motion stays in motion. 
d)
Friction 
8.
What is Newton's First Law known as? The Law of
a)
Friction
b)
Mass
c)
Inertia
d)
Gravity
9.
A person is pushed forward into their seatbelt when a car stops
a)
1st
b)
 2nd
c)
2 and 3
d)
3rd 
10.
Unit of mass
a)
m/s 2
b)
m/s
c)
newtons
d)
kg
11.
A 20 kg bike accelerates at 10 m/s2.  what was the force
a)
25
b)
200 N
c)
20 N
d)
10 N
12.
Which has more Inertia? (so need more force to move) 
a)
Truck
b)
Ant
c)
A cat
d)
A skateboard
13.
You push on a tree with 20 N of force. If the tree doesn't move, the tree is pushing back on you with _____of force.
a)
20N 
b)
40N 
c)
10N 
d)
70N
14.
What Unit do we Measure Force in? 
a)
Newtons
b)
Joules
c)
Force
d)
Don't know
15.
The Law of Inertia
a)
Newton's
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
16.
F=ma
a)
Newton's
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
17.
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
18.
Which runner had a head start?
a)
A
b)
B
c)
C
19.
What is this graph showing?
a)
Constant Speed
b)
Acceleration (speeding up)
c)
Deceleration (slowing down)
d)
No motion
20.
In which of the following graphs (click the image) are both runners moving at the same speed (note that graph c is the bottom right graph, and graph d is the bottom left graph)? 
a)
Graph A
b)
Graph B
c)
Graph C
d)
Graph D
21.
Which runner won the race?
a)
A
b)
B
c)
C
22.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
23.
The basic unit of matter is
a)
a mixture
b)
a substance
c)
an atom
d)
a compound
24.
A substance that contains only one type of atom is a(n)
a)
compound
b)
element
c)
heterogeneous mixture
d)
homogeneous mixture
25.
The smallest unit of an element that still has the properties of that element is?
a)
a substance
b)
a mixture
c)
a compound
d)
an atom
26.
Which of these is a pure substance?
a)
bread
b)
table salt
c)
garden soil
d)
sea water
27.
Which of these is not an example of a molecule?
a)
CH4
b)
C
c)
C6H12O6
d)
H2O
28.
Which of these is a mixture?
a)
Uncooked chocolate chips and cookie dough blended together with a spoon.
b)
Distilled water
c)
A nugget of gold
d)
A molecule of Oxygen
29.
Atoms of an element always have a certain number of
a)
neutrons
b)
protons
c)
electrons
d)
ions
30.
The smallest unit of a compound that still has the properties of that compound is?
a)
an atom
b)
a molecule
c)
a mixture
d)
a substance
31.
Two or more elements chemically combined:
a)
an atom
b)
a compound
c)
a mixture
d)
a pure substance
32.
A mixture that appears to be evenly mixed throughout:
a)
an atom
b)
a compound
c)
a homogeneous mixture
d)
a heterogeneous mixture
33.
Which of the following would be an example of a chemical equation?
a)
C6H12O6
b)
2 H2+ O2 -> 2 H2O
c)
F= ma
d)
H2O
34.
Which of the following would be an example of a chemical formula:
a)
C6H12O6
b)
F= ma
c)
2 H2 + O2 -> 2 H2O
d)
6.02 x 10 23
35.
The belt between Mars and Jupiter
a)
Comets
b)
Asteroids
c)
Meteors
d)
Stars
36.
They are sometimes called shooting stars
a)
interplanetary dust
b)
asteroids
c)
comets
d)
meteors
37.
The tail of a comet usually faces
a)
toward the sun
b)
toward the Earth
c)
away from the Sun
d)
away from the Earth
38.
When a meteor hits Earth, what is it called?
a)
meteorite
b)
meteroid
c)
meteor
39.
I am a rock entering a planet's atmosphere.
a)
meteor
b)
meteorite
c)
asteroid
d)
comet
40.

The path an object follows around another object

a)

Comet

b)

Star

c)

Orbit

d)

Circle

41.

Meteoroid that strikes a planet or moon

a)

Meteoroid

b)

Meteor

c)

Meteorite

d)

Asteroid

42.

Spinning motion of an object on its axis (Earth=1 day)

a)

Rotation

b)

Revolution

43.

Name given to to 4 outer planets

a)

Terrestrial Planets

b)

Gas Giants

44.
a)
solar eclipse
b)
lunar eclipse
45.
Which type of eclipse occurs when the Moon comes directly between Earth and the Sun?
a)
Lunar eclipse
b)
Solar eclipse
46.
The area around the earth where its magnetic field exists
a)
Magnetosphere
b)
Solar Wind
c)
Aurora
d)
Gravitational Field
47.

Earths Magnetic field is created by

a)

the movement of metal in the earth core

b)

Mrs. Lechtenberg

c)

The movement of the earths crust

d)

Lava flowing out of the earth

48.
__________ is an energy resource that WILL NOT run out in the next several hundred years.
a)
Renewable Energy Resource
b)
Nonrenewable Energy Resource
c)
Fossil Fuel
d)
Forever Fuel
49.
Coal is a __________ energy resource.
a)
Renewable
b)
Nonrenewable
50.
Oil is a __________ energy resource.
a)
Renewable
b)
Nonrenewable
51.
Wind is a __________ energy resource.
a)
Renewable
b)
Nonrenewable
52.
Hydroelectric power produces electricity using.....
a)
Wind
b)
Sunlight
c)
Moving water
d)
Dung
53.
What is biomass? 
a)
energy from the sun
b)
energy from water
c)
energy from wind
d)
energy from plant and animal waste
54.
Photovoltaic cells convert sunlight into:
a)
Heat
b)
Motion
c)
Light
d)
Electricty
55.

What causes the Moon to shine?

a)

reflection of Earth's light

b)

reflection of the Sun's light

c)

the Moon's hot surface

d)

the moon's atmosphere

56.

What causes different stars to appear in the sky at various times of the year?

a)

the tilt of Earth's axis

b)

the distance of Earth from the Sun

c)

the motion of the Moon around Earth

d)

the revolution of Earth around the Sun

57.

How long does it take for earth to make one revolution

a)

1 day

b)

30 days

c)

127 days

d)

365 days

58.

What causes Earth to experience seasons?

a)

the Earth's size and shape

b)

th eEarth's rotation about its axis

c)

the Earth's revolution around the Sun

d)

the tilt of Earth's axis and revolution

59.

What is the most common unit of measuring distance between galaxies?

a)

miles

b)

kilometers

c)

light years

d)

astronomical units

60.

The order of the planets is:

a)

Mars,Venus,Earth,

Mercury,Saturn

Jupiter, Uranus, Neptune

b)

Earth,Venus,Mars

Jupiter, Neptune,

Mercury,Saturn,

Uranus

c)

Mercury,Venus,Earth

Mars,Jupiter,

Saturn,Uranus

Neptune

d)

Mars, Venus, Earth, Mercury Saturn Jupiter Uranus, Neptune

61.

When using this piece of equipment, what property would be being measured?

a)

mass

b)

length

c)

weight

d)

volume

62.

What equipment would be used to accurately find the density of an irregularly shaped object?

a)

test tube and metric ruler

b)

balance and test tube

c)

graduated cylinder and metric ruler

d)

graduated cylinder and balance

63.

A student needs to precisely measure the volume of a liquid to be used in an experiment. Which tool will give the most precise volume measurement?

a)

beaker

b)

graduated cylinder

c)

metric ruler

d)

thermometer

64.

Students are required to observe an object. Which observation is qualitative?

a)

width

b)

area

c)

shape

d)

height

65.

The jackrabbit population sometimes decreases dramatically. One possible explanation for this decrease is that the coyote population has increased. This statement is which part of the scientific method?

a)

conclusion

b)

law

c)

prediction

d)

theory

66.

A student designs an experiment to determine how temperature affects dissolving. What is the error in this setup?

Cold water (250mL) 1g cubed sugar in small plastic cup

Hot water (250mL) 1 g sugar grains in small plastic cup

Hot water (250mL) 1 g cubed sugar in small plastic cup

a)

Student changes amount of sugar

b)

Student changes the amount of water

c)

student changes temperature of water

d)

student changes the form of sugar

67.

Which is an example of a quantitative observation?

a)

counting the number of squirrels in a forest

b)

listening to the sound of squirrels in a forest

c)

determining the food squirrels eat in a forest

d)

observing the fur color of squirrels in a forest

68.

In an experiment, students count the number of chirps ten crickets make at different air temperatures. On a graph how would the x and y axes be labeled?

a)

x = number of crickets y= number of chirps

b)

x= number of chirps y= number of crickets

c)

x=number of crickets y=temperature

d)

x= temperature y=number of chirps

69.

Which question about plants could be tested?

a)

How do plants attract insects?

b)

How do plants make seeds?

c)

Do plants grow taller in sunlight?

d)

Do all plants have flowers?

70.

Every time a student studies for an exam while listening to classical music, the student does well on the exam. Which prediction could the student make from this observation?

a)

Students who like rock music earn better grades.

b)

Students who like classical music earn better grades.

c)

Listening to rock music while studying causes students to earn better grades.

d)

Listening to classical music while studying causes students to earn better grades.

71.

A student plans an experiment to determine if the height of a ramp affects the speed of a cart while traveling to the bottom of the ramp. He will perform three tests, measuring and recording the data. For reliable results, what does the student need to do?

a)

test using different ramp surfaces

b)

repeat the same test several times

c)

add more mass to the cart and retest

d)

use different types of wheels

72.

In a controlled experiment testing the effectiveness of different cleaners at killing bacteria, what is the independent (manipulated) variable?

a)

the type of cleaner

b)

the method used for cleaning

c)

the type of surface being cleaned

d)

the amount of live bacteria left on the surface after cleaning

73.

Students are investigating the amount of calories (energy) contained in different types of food. Which variable describes the different food choices?

a)

control

b)

dependent

c)

independent

d)

responding

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