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Science Review PIT

Total questions: 70

Worksheet time: 1hrs 17mins

Name
Class
Date
1.

Look at the column, taken from the periodic table. Which of the following statements is correct for the elements shown?

a)

Lithium has 6.9 protons.

b)

Lithium has the least number of protons.

c)

Sodium has the most number of protons.

d)

Potassium has 39.1 protons.

2.

An atom has 12 protons, 14 neutrons, and 12 electrons. What is the atomic number of this element?

a)

24

b)

26

c)

12

d)

38

3.

The element sulfur (S) has an atomic number of 16, an atomic mass of 32.1, and is on the right side of the zigzag on the periodic table. Based on this information, to which class of elements does sulfur most likely belong?

a)

metals

b)

nonmetals

c)

metalloids

d)

solids

4.

The picture shows part of the periodic table. Which pair of elements are in the same period?

a)

La and Ru

b)

Ra and Sg

c)

Y and Os

d)

K and Mg

5.

In general, elements in Group 18 (8A) do not form compounds. Which of the following explains why elements in Group 18 (8A) do not readily form compounds?

a)

These elements are very reactive.

b)

These elements have a full outermost energy level.

c)

These elements are within the same period.

d)

These elements have the same atomic number.

6.

How many valence electrons makes most atoms stable (nonreactive)?

a)

2

b)

8

c)

1

d)

4

7.

Which two elements are similar?

a)

Beryllium and Magnesium

b)

Carbon and Lithium

c)

Lithium and Beryllium

d)

Magnesium and Carbon

8.
 What is the mass number of this element?
a)
5
b)
27
c)
32
d)
59
9.

How many electrons are in this element?

a)

39

b)

19

c)

20

d)

21

10.

Which statement correctly describes the location and charge of the electrons in an atom?

a)

The electrons are inside the nucleus and have no charge

b)

The electrons are outside the nucleus and have no charge.

c)

The electrons are inside the nucleus and have a negative charge.

d)

The electrons are outside the nucleus and have a negative charge.

e)

The electrons are outside the nucleus and have a positive charge.

11.
Each row in the periodic table is called a 
a)
group
b)
period
c)
cluster
d)
unit
12.
Each column in the periodic table is called a 
a)
period
b)
group
c)
cluster
d)
unit
13.
The atomic number tells you what?
a)
number of electrons
b)
number of protons
c)
number of neutrons
d)
both electrons and protons in an atom.
14.
How many elements are in C6H12O6?
a)
1
b)
2
c)
3
d)
4
15.
How many atoms of carbon (C) are in C6H12O6?
a)
3
b)
6
c)
12
d)
24
16.
How many atoms are there TOTAL in:
H2SO4
a)
6
b)
5
c)
7
d)
3
17.
The blue atoms are called 
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
18.
What law is best described by inertia?
a)
1st
b)
2nd
c)
3rd
19.
What law?
a)
1st
b)
2nd
c)
3rd
20.
F = MxA
a)
1st
b)
2nd
c)
3rd
21.
A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
22.
A soccer ball accelerates more than a bowling ball when thrown with the same force.
a)
Law of Inertia
b)
Law of Acceleration
c)
Law of Conservation of Momentum
23.
This person bought coffee and put it on the seat next to them. If they stopped quickly and the coffee spilled which law would that represent?
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
24.
Any push or pull on an object.
a)
force
b)
velocity 
c)
inertia
d)
momentum
25.
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
26.
Which has more Inertia? (so need more force to move) 
a)
Truck
b)
Ant
c)
A cat
d)
A skateboard
27.
A 20 kg bike accelerates at 10 m/s2.  what was the force
a)
25
b)
200 N
c)
20 N
d)
10 N
28.
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
29.
What is the formula to calculate speed?
a)
Speed = time/distance
b)
Speed = distance/time
c)
Speed = distance x time
d)
Speed = time x distance
30.
Which of the following is a unit for acceleration?
a)
km/s
b)
m/s2
c)
mi/hr
d)
ft
31.
What is velocity?
a)
the quickness of an object
b)
the location of an object
c)
acceleration
d)
speed in a specific direction
32.
When a car goes around a corner at 20 mph, why do we say it  accelerates?
a)
The car is accelerating because of the velocity is constant
b)
The car accelerates because it's going 20 mph
c)
Cars always accelerate when they are in motion
d)
The car is accelerating because it's changing direction
33.
Acceleration can be classified as _______________
a)
Speeding up
b)
Slowing Down
c)
Changing directions
d)
All of the above
34.
In which time interval was the object speeding up?   
a)
between 0 s and 2 s
b)
between 2 s and 4 s
c)
between 6 s and 8 s
d)
between 8 s and 10 s
35.
What is the person doing from 5 seconds to 10 seconds?
a)
Walking 
b)
Running
c)
Standing Still 
d)
Walking Fast
36.

What causes day & night?

a)

Earth's rotation on the equator

b)

Earth's revolution around the Sun

c)

The Moon's rotation around the Sun

d)

Earth's rotation on its axis

37.

If there is a 3rd Quarter moon on July 2nd, what is the approximate date of the next full moon?

a)

July 9th

b)

July 16th

c)

July 23rd

d)

July 30th

38.

A student keeps a record of the phases of the moon for one month. On the first night of the student's observations, the full moon is visible in the sky. After the full moon, which of these phases will the student observe next?

a)

Waxing crescent moon

b)

Waxing gibbous moon

c)

Waning crescent moon

d)

Waning gibbous moon

39.

Look at the diagram of phases of the Moon. What phase does Day 14 represent?

a)

waxing moon

b)

new moon

c)

full moon

d)

waning moon

40.

What moon phase will be observed after the waning crescent?

a)
b)
c)
d)
41.

What season is the northern hemisphere experiencing in the photo?

a)

Fall

b)

Spring

c)

Winter

d)

Summer

42.

What does the tilt of the earth cause?

a)

heating

b)

seasons

c)

years

d)

atmosphere

43.
Summer
a)
A
b)
B
c)
C
d)
D
44.
Spring
a)
1
b)
2
c)
3
d)
4
45.
Winter
a)
A
b)
B
c)
C
d)
D
46.
Fall
a)
A
b)
B
c)
C
d)
D
47.
Summer
a)
A
b)
B
c)
C
d)
D
48.
Spring
a)
A
b)
B
c)
C
d)
D
49.
Winter
a)
A
b)
B
c)
C
d)
D
50.
Fall
a)
1
b)
2
c)
3
d)
4
51.
Summer
a)
A
b)
B
c)
C
d)
D
52.
Winter
a)
A
b)
B
c)
C
d)
D
53.

The Earth's movement (revolution) around the sun causes _________

a)

heating

b)

seasons

c)

atmosphere

d)

years

54.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
55.
Where an organism lives
a)
habitat
b)
niche 
c)
heterotrogh
d)
biosphere
56.
The living part of an ecosystem
a)
Biotic
b)
Abiotic
c)
Mother Earth
d)
Flowers
57.
The non-living part of an ecosystem
a)
Ocean
b)
Lava Flow
c)
Birds
d)
Abiotic
58.
When every organism of a species has died.
a)
Evolution
b)
Natural Selection
c)
Extinction
d)
Artificial Selection
59.
Where the better adapted organisms survive to pass traits along to offspring.
a)
Evolution
b)
Natural Selection
c)
Extinction
d)
Artifical Selection
60.
Why are advantageous traits more likely to be passed onto offspring?
a)
Because they are more likely to survive and reproduce.
b)
Because they come from dominant alleles.
c)
Because they come from recessive alleles.
d)
Because the trait is an acquired phenotype.
61.
Almost all adaptations started off as?
a)
selective breeding
b)
physiological
c)
structural
d)
mutation
62.
What human activity affects the environment in such a way that algae blooms increase?
a)
agriculture
b)
fertilizer run off increases nutrients in ground water
c)
people contaminating fresh water sources
d)
all of the above
63.
a man made, underwater structure that promotes the growth of reef dwelling aquatic organisms.
a)
Corral reefs
b)
Artificial reefs
c)
organisms
d)
food
64.
All living things require oxygen to survive. Where on the periodic table above would you find gases like oxygen? 
a)
section A 
b)
section B 
c)
section C 
d)
section D 
65.
Some elements have properties of metals and nonmetals, which make them useful in electronic devices. Where can these elements be found? 
a)
section A 
b)
section B
c)
section C
d)
section D 
66.
CH4 +2O2  →  CO2 +2H2
How many different elements are involved in this reaction? 
a)
two 
b)
three 
c)
four
d)
five
67.
CH4 +2O2  →  CO2 +2H2
How many atoms are there on the left side of the equation compared to the right side? 
a)
The left side has more atoms than the right side. 
b)
The right side has more atoms than the left side. 
c)
The left and right side have the same number of atoms. 
d)
It is impossible to know because it depends on the reaction speed. 
68.
The arctic hare in the picture is shown camouflaged in the snow from possible predators. However, when summer arrives, what trait(s) will allow this hare to avoid predators? 
a)
its long ears for keen hearing and fast hind legs
b)
the ability to eat lots of grass
c)
its relatively small size in comparison with predators 
d)
the thickness of its fur 
69.
What is the net force acting on this balloon? 
a)
7 N to the right 
b)
10 N to the right 
c)
6 N to the left
d)
4 N to the right 
70.

Which of the following best describes a relationship in this grassland?

a)

Badgers are top predators because they eat upland sandpipers and beetles.

b)

A producer–consumer relationship exists between lupines and ants.

c)

A predator–prey relationship exists between beetles and ground squirrels.

d)

Upland sandpipers are primary and secondary consumers because they eat grasses and grasshoppers.