WorksheetsSemester 1 Final Exam Review- Science
Total questions: 73
Worksheet time: 59mins
Name
Class
Date
1.
What is velocity?
a)
the quickness of an object
b)
the location of an object
c)
acceleration
d)
speed in a specific direction
2.
when happened during the last second?
a)
slowing down
b)
moving backward and slowing down
c)
moving backward at a constant speed
d)
none of these
3.
which one is increasing?
a)
speed
b)
position
c)
time and speed
d)
time and distance
4.
At what time the object made a U-turn?
a)
5th second
b)
10th second
c)
25th second
d)
5th and 25th second
5.
when did the object stayed still?
a)
first 10 seconds
b)
first 20 seconds
c)
20th ~30th seconds
d)
30th~40th seconds
6.
Acceleration is
a)
increasing speed
b)
decreasing speed
c)
changing direction
d)
all of the above
7.
what is friction?
a)
a force that causes uncontrollable slipping.
b)
a force that opposes the sliding motion between two touching surfaces.
c)
friction is a force for good
8.
What is Newton's First Law known as? The Law of
a)
Friction
b)
Mass
c)
Inertia
d)
Gravity
9.
Which has more Inertia? (so need more force to move)
a)
Truck
b)
Ant
c)
A cat
d)
A skateboard
10.
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
11.
What is the name for a push or pull?
a)
A movement
b)
A force
c)
Speed
d)
Density
12.
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
13.
Which of Newton's laws is illustrated when a magician pulls a tablecloth out from under the dishes without disturbing them?
a)
first
b)
second
c)
third
d)
fourth
14.
Our balloon rocket experiment launched the balloon on the straw with air blowing out of the balloon and the balloon traveling in the opposite direction. Which of Newton's laws is this?
a)
first
b)
second
c)
third
d)
fourth
15.
If you exert a net force of 8 N on a 2-kg object, what will its acceleration be?
a)
2 m/s2
b)
4 m/s2
c)
16 m/s2
d)
10 m/s2
16.
The swimmer moves her hand down and to the left and her body goes forward to the right.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
17.
Pushing a child on a swing is easier than pushing an adult on the same swing.
a)
1st Law
b)
2nd Law
18.
When the net force is zero, the forces on an object are balanced. True or false.
a)
true
b)
false
19.
Calculate the net force.
a)
5 N
b)
10 N
c)
45 N
d)
500 N
20.
What is kinetic energy?
a)
When an object is in motion
b)
When an object is not in motion
c)
all of the above
d)
none of the above
21.
What is potential energy?
a)
When an object is in motion
b)
When an object is not in motion
c)
all of the above
d)
none of the above
22.
What kind of energy is in a moving skateboard?
a)
Potential
b)
Kinetic
23.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
24.
What kind of energy is in gasoline in a car tank (car is not on)?
a)
Potential
b)
Kinetic
25.
What kind of energy is in a battery?
a)
Potential
b)
Kinetic
26.
What kind of energy is in an acorn hanging from an oak tree?
a)
Potential
b)
Kinetic
27.
At which point is potential energy greatest
a)
W
b)
X
c)
Y
d)
Z
28.
As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy?
a)
Both the potential energy and kinetic energy decrease
b)
The potential energy decreases while the kinetic energy increases
c)
The kinetic energy decreases while the potential energy increases
d)
Bothe the potential energy and kinetic energy increase
29.
At which point is kinetic energy greatest
a)
W
b)
X
c)
Y
d)
Z
30.
When a pendulum swings, at which point is kinetic energy highest:
a)
1
b)
2
c)
3
d)
4
31.
When a pendulum swings, at which point is potential energy at its greatest
a)
1
b)
2
c)
3
d)
4
32.
The Law of Conservation of Energy states that...
a)
energy can be destroyed
b)
energy can not be created or destroyed
c)
energy can only be destroyed using the force
33.
Which type of energy does the battery contain while not in use?
a)
sound
b)
Chemical
c)
mechanical
d)
electrical
34.
What form of energy comes from the sun?
a)
electrical
b)
mechanical
c)
chemical
d)
radiant
35.
What two subatomic particles are found in the nucleus of an atom?
a)
Protons and electrons
b)
Electrons and neutrons
c)
Protons and neutrons
d)
Protons and atoms
36.
Which subatomic particle(s) makes up the majority of the mass of an atom?
a)
Protons
b)
Electrons
c)
Electrons and Neutrons
d)
Protons and Neutrons
37.
How many valance electrons does nitrogen have?
a)
5
b)
15
c)
2
d)
4
38.
How many protons does chlorine have?
a)
35
b)
17
c)
18
d)
4
39.
How many atoms are present in the following compound?
a)
3
b)
48
c)
4
d)
47
40.
Which subatomic particle(s) determines the atomic number?
a)
protons
b)
neutrons
c)
electrons
d)
protons and neutrons
41.
Which group is the most reactive group of elements?
a)
Group 1
b)
Group 4
c)
Group 8
d)
Group 18
42.
How many valance electrons does boron have?
a)
5
b)
3
c)
11
d)
13
43.
What do periods on the periodic table have in common?
a)
Same number of valance electrons
b)
Same number of energy levels
c)
Same number of protons
d)
Similar reactivity
44.
What do groups on the periodic table have in common?
a)
Same number of valance electrons
b)
Same number of energy levels
c)
Both A and B
45.
Which two elements have the same number of energy levels?
a)
Potassium and magnesium
b)
Beryllium and magnesium
c)
Carbon and phosphorus
d)
Carbon and oxygen
46.
Which element is in group 16, period 3?
a)
Arsenic
b)
Carbon
c)
Sulfur
d)
Boron
47.
Which is not evidence of a chemical change?
a)
Bubbling or fizzing
b)
Unexpected temperature change
c)
Fire or smoke
d)
Phase change
48.
When stomach acid helps to break down food into smaller particles, this is an example of a:
a)
physical change.
b)
chemical change.
c)
elemental change.
d)
atomic change.
49.
Use your periodic table to determine if silicon is a metal, nonmetal, or metalloid.
a)
Metal
b)
Nonmetal
c)
Metalloid
50.
In a balanced equation the number of atoms in the _____________ and _____________ must be equal.
a)
Product, reactant
b)
product, quotient
c)
product, sum
d)
reactant, reaction
51.
Is the equation below a balanced equation?
a)
Yes
b)
No
52.
Is the equation below a balanced equation?
a)
Yes
b)
No
53.
The group of elements and/or compounds after a chemical reaction has taken place are called
a)
reactions
b)
processes
c)
products
d)
reactants
54.
How many total atoms are in the compound above?
a)
3
b)
4
c)
5
d)
12
55.
How many total atoms are in the compound above?
a)
3
b)
4
c)
5
d)
6
56.
How many atoms of hydrogen are in the compound above?
a)
3
b)
5
c)
6
d)
8
57.
How many atoms of oxygen are in the compound above?
a)
12
b)
14
c)
4
d)
3
58.
How many elements are in the formula above?
a)
3
b)
4
c)
5
d)
12
59.
What is the charge of an electron?
a)
negative
b)
neutral
c)
no charge
d)
positive
60.
Which of the following has the biggest impact on the seasons?
a)
Earth's rotation
b)
Tilted axis
c)
Moon's gravitational pull
d)
Pressure systems
61.
What causes the day and night cycle on Earth?
a)
Rotation of the Sun
b)
Revolution of the Earth
c)
Gravitational pull from the moon
d)
Rotation of the Earth
62.
In Which position would the Southern Hemisphere experience winter?
a)
Position A
b)
Position B
c)
Position C
d)
Position D
63.
In which position would the Northern Hemisphere be experiencing spring?
a)
Position A
b)
Position B
c)
Position C
d)
Position D
64.
How long does one lunar cycle take?
a)
1 week
b)
2 weeks
c)
4 weeks
d)
1 year
65.
What phase is illustrated here?
a)
1st Quarter
b)
Waning gibbous
c)
Waxing crescent
d)
New moon
66.
Which of the following has the BIGGEST impact on the Earth's tides?
a)
The sun
b)
Earth's rotation
c)
Earth's revolution
d)
The moon
67.
By how many degrees is the Earth tilted on its axis?
a)
90
b)
2.5
c)
23.5
d)
28
68.
If there is a full moon today, what moon phase will be occur tomorrow?
a)
waning gibbous
b)
waxing gibbous
c)
new moon
d)
3rd quarter
69.
It is currently Spring in the northern hemisphere, what season is it currently in the southern hemisphere?
a)
winter
b)
spring
c)
summer
d)
fall
70.
Which term describes when the moon is less illuminated each night?
a)
waxing
b)
waning
c)
wandering
d)
whining
71.
If a 1st quarter moon were to occur tonight, what moon phase would occur in 2 weeks?
a)
waxing gibbous
b)
full moon
c)
waning crescent
d)
3rd quarter
72.
During which season do we experience the most hours of daylight because of the tilt of the Earth?
a)
Summer
b)
Fall
c)
Winter
d)
Spring
73.
What type of tide is evident when the moon is in the full moon phase?
a)
high tide
b)
low tide
c)
spring tide
d)
neap tide
100 %
