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Midterm Review

Total questions: 91

Worksheet time: 8hrs 35mins

Name
Class
Date
1.

The candy was sour.

a)

Qualitative

b)

Quantitative

2.

The bug was 5cm long.

a)

Qualitative

b)

Quantitative

3.
Which of the following statements is an inference about the picture
a)
The vase is broken.
b)
The girls' bow is blue and purple.
c)
The girl broke the vase.
d)
The girl has blonde hair.
4.

Match the subatomic particle with what is created when you change that subatomic particle.

a)

Protons

1.

The Element

b)

Neutrons

2.

Isotope

c)

Electrons

3.

Ion

5.
What is an observation for this picture?
a)
The man is scared
b)
The man is going to get eaten
c)
There is a man in a kayak
d)
The man is paddling fast
6.

Your teacher has asked you to perform an experiment to see if the shape of objects, alone, affects the motion of objects. Which of the following would be the best experiment to perform?

a)

Apply the same amount of force to a ball, cylinder, cube, and pyramid, each of the same mass.

b)

Apply the same amount of force to balls of different mass

c)

Apply the same amount of force to a ball, cylinder, cube, and pyramid, each of a different mass.

d)


Apply different amounts of force to the same ball.

7.

Larry wants to test different types of fertilizer on tomato plants. He wants to see if one works better than the rest. He has 4 plants. The first one gets no fertilizer, the second one gets fertilizer A, the third Fertilizer B, and the fourth Fertilizer C. They each get the same amount of sunlight, same amount of soil, same type of soil, same amount of water, and are grown in the same air temperature in the same greenhouse. Larry is counting the total weight of tomatoes produced by each plant to determine how well the fertilizers worked.

Match the correct part with the correct term.

a)

Dependent Variable

1.

Total Weight of Tomatoes

b)

Control Group

2.

The tomatoes with no fertilizer

c)

Independent Variable

3.

The type of fertilizer

d)

Experimental Group

4.

Tomatoes with fertilizer.

e)

Controlled Varaibles

5.

Amount of soil, amount of water

8.

When more than one variable in an experiment is changed at a time, the scientist....

a)

cannot accurately measure both variables at the same time.

b)

needs to conduct more trials in order to get conclusive results.

c)

cannot tell which change produced the results.

d)

made a systematic error that needs to be corrected.

9.
How many variables should you change in an experiment?
a)
none
b)

only 1

c)
2 or more
d)
depends on the type of experiment
10.
Three baseball players investigate to see who can throw a baseball the farthest. They mark off an area on the playground for their investigation. Which should they keep constant?
a)
height of the players
b)
color of the balls thrown
c)
order in which the players throw
d)
spot from which the players throw
11.
In this graph, what is the independent variable? 
a)
Population
b)
Day
c)
Species 5
12.
In this graph, what is the dependent variable? 
a)
Walla Walla Island
b)
Time
c)
Number of Deer
13.
Which of the following best describes the motion of the squirrel between 5 s and 8 s? 
a)
The squirrel's speed increased.
b)
The squirrel's speed decreased.
c)
The squirrel's speed did not change.
d)
The squirrel moved backward.
14.

The size of a dog and the amount of dog food needed is a

a)

Positive correlation

b)

Negative correlation

c)

No correlation

15.

Mrs. Collins made a scatterplot to show the relationship between the number of absences and a student’s final exam score. Based on this scatterplot, a student with 12 absences should get approximately what score on the final exam?

a)

60

b)

92

c)

70

d)

76

16.
Describe the correlation in the graph shown.
a)
Strong Negative
b)
Strong Positive
c)
Weak Negative
d)
Weak Positive
17.
As the age of the car increases, its value decreases. Which scatterplot represents this relationship?
a)
A
b)
B
c)
C
d)
D
18.
What is the type of correlation?
a)
Negative 
b)

no correlation

c)
positive 
19.

What is mass?

a)

The amount of space an object takes up

b)

The amount of matter in a given space

c)

The amount of matter in an object

20.

What is volume?

a)

The amount of space an object takes up

b)

The amount of matter in a given space

c)

The amount of matter in an object

21.

What is density?

a)

The amount of space an object takes up

b)

The amount of matter in a given space

c)

The amount of matter in an object

22.

Why is a hot air balloon able to rise into the sky?

a)

The hot air is less dense then the atmosphere, so it rises

b)

The hot air is more dense then the atmosphere, so it rises

c)

The hot air has the same density as the atmosphere, so it rises

23.

Why does oil float on top of the water in an oil spill?

a)

Oil has the same density of water

b)

Oil is less dense than water

c)

Oil is more dense than water

24.
Put the liquids in order from most dense to least dense?
a)
4, 3, 2, 1
b)
1, 2, 3, 4
c)
3, 4, 2, 1, 
d)
4, 3, 1, 2
25.
Frank has an eraser. It has a mass of 4g, and a volume of 2cm3. What is its density?
a)
8 g/cm3
b)
2 g/cm3
c)
1/2 g/cm3
d)
24 g/cm3
26.
What is the volume of Object X?
a)
10.0 cm3
b)
15.0 cm3
c)
20.0 cm3
d)
25.0 cm3
27.
Which box has a greater density?  
a)
Box A
b)
Box B
28.

In this image, the VOLUME of A is _____ the volume of B

a)

equal to

b)

greater than

c)

less than

29.

What happens to the density of the balloon if volume is doubled?

a)

The density is cut in half.

b)

The density stays the same.

c)

The density doubles.

d)

Not enough information to tell.

30.

Calculate the density of the rectangular prism

a)

2 g/cm3

b)

4 g/cm3

c)

6 g/cm3

d)

8 g/cm3

31.

Three liquids and two solids are placed in a graduated cylinder. The substances arrange themselves in the cylinder according to their densities. Use the information to identify the liquids and solids in the graduated cylinder. start with the top solid as substance 1, and the top liquid as substance 2, and so on

a)

Gold

b)

Mercury

c)

water

d)

Gasoline

e)

Cork

1)
2)
3)
4)
5)
32.

What is the density of the sphere, if its mass is 50 g?

a)

40 grmL\frac{40\ gr}{mL}  

b)

65mLg\frac{65mL}{g}  

c)

2 gcm3\frac{2\ g}{cm^3}  

d)

25gmL\frac{25g}{mL}  

33.

Which substance has the second lowest density?

a)

Blue squares 🔲

b)

green triangles Δ

c)

yellow triangles ∇

d)

orange diamonds 🔸

34.

If you have 20 mL of both substance A and substance B, which one will have more mass?

a)

Substance A

b)

Substance B

c)

They have the same mass at 20 mL

35.

If you have 20 g of substance B, how much volume would you have?

a)

20 mL

b)

40 mL

c)

13 mL

36.

Which substance has a density greater than water (1.0 g/ml)?

a)

Substance A

b)

Substance B

c)

Neither

37.

Which would float in water if water had a density of 1 g/mL?

a)

Substance A

b)

Substance B

c)

Neither

38.

What is the density of the object?

a)

5 g/cm3

b)

0.2 g/cm3

c)

80 g/cm3

d)

24 g/cm3

39.

Find the density of the substance from the mass and volume graph.

a)

10 g/mL

b)

5 g/mL

c)

10 g

d)

5 mL

40.
A graduated cylinder has a mass of 80.0 g when empty. When 20.0 mL of water is added, the graduated cylinder has a mass of 100 g. If a stone is added to the graduated cylinder, the water level rises to 45.0 mL and the total mass is now 156 g. What is the density of the stone? 
a)
2.24 g/mL
b)
3.5 g/mL
c)
2 g/mL
d)
2.22 g/mL
41.

The picture to the left is of different shapes and sizes of steel bars.

The mass of each will be ​ (a)   .

The volume of each will be ​ (b)   .

The density of each will be ​ (c)   .

Choose from the below words
the same
different
42.

The two spheres have the same mass. The sphere on the left floats. The sphere on the right sinks. Select all that are true statements.

a)

The volumes are the same

b)

The volumes are different

c)

The densities are the same

d)

The densities are different

43.

Arrange the subatomic particles so they are listed by charge:

Negative, Neutral, Positive

a)

Electrons

b)

Neutrons

c)

Protons

1)
2)
3)
44.

How many protons would an atom of strontium (Sr) have?

(a)  

45.

An atom has 10 protons and 12 neutrons. What is the mass number?

(a)  

46.

What is the net charge of an atom with 15 protons and 12 electrons?

(a)  

47.

What is the name of this isotope?

(a)  

48.

How many neutrons would magnesium - 27 have?

(a)  

49.

What is a positive ion called?

(a)  
Choose from the below words
anion
cation
isotope
covalent
50.

What is a negative ion called?

(a)  
Choose from the below words
anion
cation
covalent
isotope
51.

If an atom gains electrons, the charge will be positive.

(a)  
Choose from the below words
true
false
52.

If an atom loses electrons, it becomes a negative ion.

(a)  
Choose from the below words
True
False
53.

Which particles change the charge in atoms when ions are formed?

a)

Protons

b)

Electrons

c)

Neutrons

54.

Na has 1 valence electron. Its ION will have a charge of _______

a)

+1

b)

+2

c)

-1

d)

-2

55.

P has 5 valence electron. Its ION will have a charge of _______

a)

+3

b)

-3

c)

+2

d)

-2

56.

How many electrons can go in the first energy level?

a)

2

b)

8

c)

18

d)

32

57.

How many electrons can go in the Second energy level?

a)

2

b)

8

c)

18

d)

32

58.

What is a Lewis Dot Structure?

a)

It shows all of the particles in the atom.

b)

Contains protons and neutrons

c)

Only shows the element symbol and it's outer most electron shell

d)

Contains protons and electrons

59.
How many neutrons in C-14?
a)
6
b)
7
c)
14
d)
8
60.

Which element is this?

a)

Nickel

b)

Neon

c)

Sodium

d)

Nitrogen

61.

Which of the following is the correct Bohr Diagram for a neutral atom of Carbon?

a)

b)

c)

d)

62.

If an atom has a charge of -3 it has

a)

gained 3 electrons

b)

lost 3 electrons

c)

gained 3 protons

d)

lost 3 protons

63.

Atoms of Potassium like to lose one electron to become more stable. What will the charge of this new potassium ion be?

a)

+1

b)

+2

c)

-1

d)

-2

64.

What is the net charge of an atom that has 9 protons, 10 neutrons, and 9 electrons?

a)

+1

b)

0

c)

-1

65.

What is the net charge of an atom that has 5 protons, 6 neutrons, and 4 electrons?

a)

+1

b)

0

c)

-2

d)

-1

e)

+2

66.

Ionic bonds are formed between...

a)

Non - metals

b)

A metal and a non-metal

c)

Metals

67.

Which of the below is an ionic compounds?

a)

Ni

b)

MgCl2

c)

H2O

d)

CH4

68.

How is an ionic bond formed?

a)

Sharing of electrons

b)

Delocalised electrons

c)

Transfer of electrons

69.

Be and F can combine to form BeF2, an ionic compound. Select ALL the true statements.

a)

Each Be atom loses two electrons from the outer shell.

b)

Each F atom gains two electrons from Be.

c)

It is an ionic compound.

d)

Each F ion has a charge of -1

70.

Sodium Oxide is Na2O. The Oxygen ion has a charge of -2, what charge does each Sodium ion have?

a)

-1

b)

-2

c)

+2

d)

+1

71.
phosphorus trichloride
a)
KCl3
b)
PCl3
c)
K3Cl
d)
P3Cl
72.
SiCl4
a)
silicon tetrachloride
b)
silicon quadchloride
c)
monosilicon tetrachloride
d)
silicon chloride
73.

What two types of atoms make a covalent bond?

a)

2 non-metals

b)

1 metal and 1 non-metal

c)

2 metals

74.
NO
a)
Mononitrogen monoxide
b)
nitrogen oxide
c)
nitrogen monoxide
d)
nitrate monoxide
75.

What is the correct charge of Mn in the formula shown?

MnS2

*Careful - check the charge of the sulfur first*

a)

+1

b)

+2

c)

+3

d)

+4

76.

In the compound TiO2, titanium has a charge of ______. Hint: The charge on "O" is -2. Use the charge on oxygen to determine the charge on Ti.

a)

4+

b)

2+

c)

2-

d)

4-

77.

How many Chlorine atoms should bond with one Aluminum atom?

a)

1

b)

2

c)

3

d)

4

78.
Na2S
a)

Disodium sulfide

Disodium sulfide

b)
Sodium sulfide
c)
Sodium monosulfide
79.

... bond happens when electrons are shared EVENLY between the two bonded atoms.

a)

Covalent polar

b)

Covalent nonpolar

c)

Ionic

d)

Metallic

80.

The bond between two chlorine atoms in Cl2 molecule is ...

a)

Ionic

b)

Covalent polar

c)

Covalent nonpolar

d)

metallic

81.

The bonds between atoms in this molecule are NH3 is: (NOTE: Check EN difference)

a)

ionic polar

b)

ionic non-polar

c)

covalent polar

d)

covalent non-polar

82.
Which Compound would be classified as a covalent bond? 
a)
CaCl2
b)
P2O5
c)
KI
d)
MgO
83.
The chemical formula for an ionic compound of potassium and oxygen is
a)
KO.
b)
K2O.
c)
K2O2.
d)
KO2.
84.

The atom with the smaller electronegativity in a polar covalent bond will have a

a)

Partial Positive

b)

Partial Negative

85.

Match the state of matter with the correct energy

a)

Solid

1.

Low

b)

Liquid

2.

Medium

c)

Gas

3.

High

d)

Plasma

4.

Very High

86.

Match the state of matter with the correct attraction between molecules

a)

Solid

1.

High

b)

Liquid

2.

Medium

c)

Gas

3.

Low

d)

Plasma

4.

Very Low

87.

Match the image with the correct state of matter

a)

1.

Solid

b)

2.

Liquid

c)

3.

Gas

88.

Put the element into the correct category.

Categorize the following

CaO

KBr

Al2O3

LiF

BeCl2

H2O

CO2

NH3

CH4

NO2

Cl2

Ionic Compound
Covelent Molecule
89.

This element has three energy levels and is a noble gas. (Use the chemical Symbol)

(a)  

90.

This element has two energy levels and does not form ions. (Use the Chemical Symbol)

(a)  

91.

This element forms a +3 ion, and has four energy levels

a)

Sc

b)

Ga

c)

In

d)

Ge

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