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Physical Science Final Exam

Total questions: 75

Worksheet time: 1hrs 15mins

Name
Class
Date
1.

What are the two branches of sciences that make up Physical Science ?

a)

Chemistry and Physics

b)

Physics and Psychology

c)

Chemistry and Geometry

d)

Geology and Chemistry

2.

A hypothesis is

a)

An animal

b)

An educated guess

c)

The result and the conclusion

d)

The observation

3.

The independent variable is defined as

a)

The variable that results

b)

The variable that changes

c)

The variable that stays the same

d)

The variable that does nothing

4.

What is the scientific method ?

a)

A method used to change the air of science

b)

A step-by-step method used to show the equivalence

c)

A step-by-step process used to conduct experiments.

d)

Chemistry and Physics

5.

Which of the following is NOT a step in the scientific method ?

a)

Problem

b)

Hypothesis

c)

Conduction

d)

Experiment

6.

What is an inference ?

a)

A guess or judgement based of prior knowledge

b)

Description using 5 senses

c)

A collection of data

d)

Something that you test in an experiment

7.

What is Matter ?

a)

Anything that has mass and takes up space

b)

The amount of space that an object takes up

c)

Energy cannot be created or destroyed

d)

Light is matter

8.

What is the law of conservation of energy ?

a)

All matter consists of many small particles

b)

Energy cannot be created nor destroyed

c)

If temperature is constant, volume increases

d)

If pressure is constant, temperature increases

9.

The kinetic theory of matter states that

a)

Energy cannot be created nor destroyed

b)

The amount of space that an object takes up

c)

All matter consist of many very small particles that is constantly moving

d)

Describes the behavior of matter when it interact with other matter

10.

What is a homogenous mixture ?

a)

A mixture that consist of visibly different substances

b)

A mixture that has the same uniform appearance throughout

c)

Something that calculates the density of a substance

d)

Characteristic of the substance

11.

Which statement correctly describes the two parts of a solution ?

a)

Solute which gets dissolved, Solvent which does the dissolving

b)

Solvent which gets dissolved, Solute which does the dissolving

c)

Solution which is homogeneous, and heterogeneous

d)

Sugar and water

12.

If a Mixture is Heterogeneous it means

a)

The mixture have the same uniform appearance throughout

b)

The mixture consist of visibly different substances

c)

The mixture is transparent

d)

It lacks visible boundaries of separation

13.

What is the density of water ?

a)

1.00 g

b)

1.00 ml

c)

1.00

d)

1.00 g/ml

14.

All matter moves

a)

True

b)

False

15.

Physical Properties of an object describes its physical appearance

a)

True

b)

False

16.

Is K an element or a compound ?

a)

Element

b)

Compound

c)

All of the above

d)

None of the above

17.

Why do atoms form bond ?

a)

To become bigger and/or smaller

b)

To become happy and stable

c)

To become stronger and weaker

d)

To become more efficient / effective

18.

An Ionic Bond is a bond transfer between ?

a)

Metal and Metal

b)

Non-Metal and Metal

c)

Metal and Non-Metal

d)

Non-Metal and Non-Metal

19.

A Covalent Bond is a bond shared between

a)

Metal and metal

b)

Non-Metal and Non-Metal

c)

Metal and Non-Metal

d)

Non-Metal and Metal

20.

When electrons are lost, the atoms become

a)

Positive

b)

Negative

c)

Neutral

d)

No change (remains the same)

21.

When are atoms happy and stable ?

a)

When they have 8 valence electrons and a full outer shell

b)

When they can share electrons

c)

When they grow and reproduce

d)

None of the above

22.

The reactants are on the left side of the equation

a)

True

b)

False

23.

What are Coefficients ?

a)

Whole numbers placed in front of symbols or formulas that we change to make formulas balanced

b)

Small numbers that are added to formulas that cannot change

c)

A part of an equation that helps classify an equation

d)

Number of times a specified chemical is dissolved into another chemical

24.

An Exothermic Reaction occurs when

a)

Energy is absorbed to form bonds in the products, which make the qualitative measurement feel cooler and the quantitative measurement decreased in temperature

b)

Bonds are broken in the reactants to release energy, which makes the qualitative measurement feel warmer and the quantitative measurement increased in temperature

c)

All of the above

d)

None of the above

25.

An Endothermic Reaction occurs when

a)

Energy is absorbed to form bonds in the products, which make the qualitative measurement feel cooler and the quantitative measurement decreased in temperature

b)

Bonds are broken in the reactants to release energy, which makes the qualitative measurement feel warmer and the quantitative measurement increased in temperature

c)

All of the above

d)

None of the above

26.

If Drain Cleaner have the pH of 14 it is considered a STRONG

a)

Acid

b)

Base

c)

All of the above

d)

None of the above

27.

If Lemon juice have the pH of 2 it is a

a)

Acid

b)

Base

c)

Neutral

d)

None of the above

28.

If water have the pH of 7 it is considered

a)

Acid

b)

Base

c)

Neutral

d)

None of the above

29.

Law of conservation of Energy states that

a)

Energy can be created and destroyed

b)

Energy can not be created or destroyed

c)

Energy is matter, but matter is not energy

d)

None of the above

30.

What is kinetic energy ?

a)

Energy of motion

b)

Energy that is stored

c)

Energy during positioning

d)

None of the above

31.

What is potential energy ?

a)

Energy of motion

b)

Energy that is stored

c)

All of the above

d)

None of the above

32.

Energy cannot be transformed from one form to another.

a)

True

b)

False

33.

At which point of the roller coaster is there the greatest Potential Energy & Lowest Kinetic Energy ?

a)

W

b)

X

c)

Y

d)

Z

34.

All living things are composed of _____________ molecules

a)

Organic

b)

Inorganic

c)

All of the above

d)

None of the above

35.

What are the 4 Life Molecules ?

a)

Carbon, Hydrogen, Oxygen, Nitrogen

b)

Carbohydrates, Lipids, Proteins, Nucleic Acids

c)

Uno, dos, thres, cuatro

d)

None of the above

36.

A neutral atom contains 12 neutrons and 11 electrons. The number of protons in this atom is

a)

1

b)

11

c)

12

d)

23

37.

Which particles are found in the nucleus of an atom ?

a)

Electrons, only

b)

Neutrons, only

c)

Protons and electrons

d)

Protons and neutrons

38.

What is the mass number of an ion that has 83 protons, 80 electrons, and 126 neutrons ?

a)

83

b)

206

c)

209

d)

289

39.

What is the maximum number of electrons that can occupy the second principal energy level ?

a)

6

b)

8

c)

18

d)

32

40.

Which particle is electrically neutral ?

a)

Proton

b)

Positron

c)

Neutron

d)

Electron

41.

How many significant figures are in this number 0.09840 ?

a)

1

b)

3

c)

5

d)

4

42.

Acids begin with H+ and Bases end in OH-

a)

True

b)

False

43.

What is the definition of Energy ?

a)

The movement of something

b)

The ability to do work

c)

Being able to run around really fast

d)

None of the above

44.

What should you not do in the Science Lab ?

a)

Wear goggles

b)

Horseplay

c)

Tell the teacher if an accident happens

d)

All of the above

45.

What should you always do in the Science Lab ?

a)

Wear goggles

b)

Horseplay

c)

Leave your long hair down

d)

None of the above

46.

Which of the following are pure substances ?

a)

Soluble and insoluble

b)

Elements and Compounds

c)

Saturated and Unsaturated

d)

Homogenous and Heterogenous Mixture

47.

What is an Isotope ?

a)

Same element different number of neutrons

b)

Different element same number of neutrons

c)

All of the above

d)

None of the above

48.

What is the name of this Element ?

a)

Carbohydrate

b)

Cobalt

c)

Carbon

d)

Copper

49.

What is a Valence electron ?

a)

Electron in the nucleus

b)

Electron in the inner level

c)

Electrons in the outermost level

d)

None of the above

50.

How many bonds can Carbon form

a)

3

b)

2

c)

4

d)

1

51.

What is the best measurement for the ruler below ?

a)

2.4 cm

b)

2.33 cm

c)

2.3 cm

d)

2.333 cm

52.

Which of the following is an example of physical change ?

a)

Ice melting

b)

Burning paper

c)

Baking cake

d)

Mixing vinegar and baking soda

53.

Which of the following is an example of Chemical change ?

a)

Odor of popcorn popping

b)

Boiling water

c)

Digesting food

d)

Filling air in the tire

54.

Which of the following is a Non-Metal ?

a)

Ni

b)

Na

c)

Mg

d)

S

55.

What kind of chemical bond will SCl4 have ?

a)

Ionic

b)

Covalent

c)

Metallic

d)

Non-Metallic

56.

Which of the following is a Noble gas ?

a)

N

b)

Ne

c)

K

d)

Fe

57.

Which of the following represents the Burette reading ?

a)

39.18 mL

b)

39.23 mL

c)

40.0 mL

d)

42.2 mL

58.

What is the name of the equipment to the left ?

a)

Beaker

b)

Burette

c)

Flask

d)

Autoclave

59.

Consider the image to answer : What is the volume of the Gold nugget ?

a)

17.1 mL

b)

19.8 mL

c)

2.7 mL

d)

1.00 mL

60.

Interpret the symbol below for protons, neutrons, and electrons respectively

In the order (p, n, e)

a)

17, 36, 17

b)

17, 19, 17

c)

17, 19, 18

d)

17, 19, 16

61.

How many protons do Isotopes of hydrogen have ?              

a)

1

b)

1.00

c)

1,2 or 3

d)

Varies

62.

What type of data is shown here?

a)

qualitative

b)

quantitative

63.

What type of data is shown here?

a)

qualitative

b)

quantitative

64.

What gives the atom its mass?

a)

proton

b)

electron

c)

proton+ neutron

d)

neutron

65.

Which subatomic particle is present in the nucleus?

a)

electron

b)

neutron

c)

proton + electron

d)

proton+ neutron

66.

Name the subatomic particle that moves around the nucleus & isnegatively charged

a)

electron

b)

proton

c)

neutron

d)

positron

67.

What is the charge of an aluminum ion that has 13 protons and 10 electrons?

a)

3+

b)

3-

c)

2+

d)

none

68.

What category of element usually forms a positive ion?

a)

Nonmetals

b)

Metals

c)

Noble gases

d)

Metalloids

69.

Convert 94.5 cm to m

a)

.945 m

b)

9.45 m

c)

945 m

d)

.0945 m

70.

Write the following number in scientific notation: 2105600

a)

2105.6x10-3

b)

2105.6x103

c)

2.1056x106

d)

2.1056x10-6

71.

Write the following in standard notation: 8.015x10-6

a)

0.000008015

b)

0.0000008015

c)

8015000

d)

8015000000

72.

Which of the following is an example of synthesis?

a)

Na + Br2 --> NaBr

b)

KClO3 --> KCl + O2

c)

HgO + Cl2-->HgCl + O2

d)

Cl2 + NaBr --> NaCl + Br2

73.

Balance this reaction:

____ NaF + ____ Br2 ---> ___ NaBr + ____ F2

a)

3,1,2,1

b)

1,2,3,4

c)

2,1,2,1

d)

1,2,1,2

74.

Identify the reaction type:

C2H6 + O2 --> CO2 + H2O

a)

Double replacement

b)

Synthesis

c)

Decomposition

d)

Combustion

75.

How many atoms of carbon (C) are in C6H12O6?

a)

3

b)

6

c)

12

d)

24

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