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Unit 1 (lessons 1-5)

Total questions: 60

Worksheet time: 1hrs 4mins

Name
Class
Date
1.

What is the ratio of hydrogen to oxygen atoms in the molecule H2O2

a)

2:4

b)

1:2

c)

1:1

d)

2:1

2.

______________ is the study of matter and how it changes.

a)

Physics

b)

Science

c)

Astronomy

d)

Chemistry

3.

Melting point is an example of a:

a)

chemical property

b)

physical property

4.

Flammability is an example of a:

a)

chemical property

b)

physical property

5.

Which of the following is a chemical property of matter?

a)

Durability

b)

Reactivity

c)

Conductivity

d)

Freezing point

6.

True or false a chemical property is a characteristic of matter that can be observed without changing it.

a)

True

b)

False

7.

True or False melting point is physical property because it doesn't change the substance of matter; whereas flammability does.

a)

True

b)

False

8.

Which of the following is not true about a pool of water and a piece of ice?

a)

They have the same composition

b)

They are in different states of matter

c)

They have different chemical properties

d)

They have different physical properties

9.

Characteristics used to describe solids are called:

a)

physical properties

b)

chemical properties

c)

both A and B

d)

neither a or b

10.

The best way to seperate a homogeneous mixture is through:

a)

distillation

b)

filtration

c)

magnetic attraction

d)

evaporation

11.

Compounds are formed as a result of:

a)

physical combination

b)

chemical combination

c)

distillation

d)

filtration

12.

Empedocles was important in the field of chemistry because he:

a)

Found that no mass can be created or destroyed

b)

Discovered the water molecule

c)

Wore a toga

d)

Proposed that everything was made up of 4 elements

13.

In an atom neutrons have the following charge

a)

No charge

b)

Positive

c)

Negative

14.

In an atom electrons have the following charge

a)

Positive

b)

No Charge

c)

Negative

15.

True or False substances in a mixture keep their own properties

a)

True

b)

False

16.

True or False the substances in a heterogeneous mixture cannot be easily distinguished or seperated

a)

True

b)

False

17.

Which of the following is the correct equation for calculating weight?

a)

W = mass/gravity

b)

W = Mass x Gravity

c)

W = Mass/Volume

d)

W = Gravity/Mass

18.

What is the gravitational constant equal to on Earth?

a)

9.9 m/s2

b)

10.067 m/s2

c)

6.807 m/s2

d)

9.807 m/s2

19.

Find the weight of an object with a mass of 62kg.

a)

611.54 g

b)

707.33 kg

c)

608.034 kg

d)

608.034 g

20.

You've crash landed on a strange planet, you know that your mass is equal to 75kg and that the force of gravity is 10.10 m/s2. What is your weight?

a)

755.5 g

b)

755.5 kg

c)

801.8 kg

d)

757.5 kg

21.

Which of the following statements about weight is correct?

a)

Mass changes with location

b)

Mass changes with gravity

c)

Weight changes with gravity

d)

Weight is constant

22.

Find the volume of an object with the following dimensions (Length = 44m, Width = 12.5m, Height = 5m)

a)

2750 m3

b)

27.50 m3

c)

2950 cm3

d)

2750 cm3

23.

Which of the following is a measure of the mass of a material in a given volume?

a)

Weight

b)

Density

c)

Area

d)

Pressure

24.

Which of the following is the correct equation for calculating density?

a)

Mass x Volume

b)

Mass x Weight

c)

Mass/Volume

d)

Volume/Mass

25.

Find the density of an object with a mass of 65g and a volume of 110cm3.

a)

5.91 g/cm3

b)

0.59 kg/cm3

c)

0.63 g/cm3

d)

0.59 g/cm3

26.

Find the density for a piece of matter with a mass of 99g and a volume of 88cm3

a)

1.125 g/cm3

b)

11.25 g/cm3

c)

2.125 g/cm3

d)

21.25 g/cm3

27.

What is the mass of a sample substance with a density of 0.44g/cm3 and a volume of 78cm3

a)

334.2 g

b)

34.32 g

c)

34.32 kg

d)

334.2 kg

28.

Which of the following is not a chemical change?

a)

Leaves turning color

b)

Fruit Ripening

c)

Silver Tarnishing

d)

Food coloring dissolving in water

29.

Which of the following is not a physical change?

a)

Glass breaking

b)

Iron Rusting

c)

Ice Melting

d)

Sugar dissolving

30.

Which of the following is an example of an oxidation reaction?

a)

Silver tarnishing

b)

Glass Breaking

c)

Ice melting

d)

Iron Rusting

31.

The "Law of Conservation of Mass" states:

a)

Only matter can be created or destroyed

b)

Everything is made up of atoms

c)

Matter cannot be created or destroyed

d)

Mass and weight both stay constant always

32.

True or False an endothermic change absorbs energy.

a)

True

b)

False

33.

Which of the following correctly illustrates the arrangement of particles in a solid?

a)

Loosely packing together

b)

Fixed and closely packed together

c)

Spread apart and not packed together

d)

Able to flow and move around one another

34.

You notice that a solid does not tend have a specific melting point, but instead gets softer and softer as heated. What can you say about this piece of matter?

a)

It's an amorphous solid

b)

It's a crystalline solid

c)

It's particles are arranged in a regular repeating pattern

d)

Nothing

35.

True or false in a crystalline solid the particles are arranged in a regular and repeating pattern.

a)

True

b)

False

36.

Which property specific to liquids is created by the inward force, or pull, among its molecules?

a)

Viscosity

b)

Pressure

c)

Temperature

d)

Surface Tension

37.

Which of the following correctly illustrates the arrangement of particles in a liquid?

a)

Loosely packed together, but free to move

b)

Spread very far apart

c)

Fixed and packed closely together

d)

Stationary and unable to move

38.

True or False a liquid with a high viscosity will flow very rapidly.

a)

True

b)

False

39.

Which of the following characteristics of gases is defined as "the force with which it pushes on the walls of its container"?

a)

Volume

b)

Pressure

c)

Temperature

d)

Thermal Energy

40.

The SI unit for pressure is:

a)

Newton (N)

b)

Cubic meter (m3)

c)

Kilogram (kg)

d)

Pascal (Pa)

41.

What is the pressure in a system with a force of 2,120 N over an area of 0.50m2

a)

4,240 N

b)

42.40 N/m2

c)

4,240 Pa

d)

42.40 Pa

42.

Blaise Pascal renounced science and began writing Catholic apologetics after his:

a)

Night of Fire

b)

Night of Stars

c)

Night of Fury

d)

Night at the Roxbury

43.

Which of the following is one of Blaise Pascal's major contributions to science?

a)

Invented the Newton

b)

Discovered Gravity

c)

Discovered Black Holes

d)

Invented the Pascaline

44.

When you release a gas into a container it does which of the following?

a)

Stays compact and does not take up all the volume

b)

Heats up quickly

c)

Fills the entire volume of its container

d)

Does not create any pressure

45.

Which of the following is a measure of the average energy of random motion in the particles of matter?

a)

Pressure

b)

Temperature

c)

Volume

d)

Fluidity

46.

What is the ratio of Nitrogen to Hydrogen atoms in the compound NH3

a)

3:1

b)

2:1

c)

1:1

d)

1:3

47.

True or False you would weigh the same on Earth as the moon.

a)

True

b)

False

48.

Find the mass of a substance with a density of 0.33g/cm3 and a volume of 50cm3

a)

16.5 g

b)

1.65 m

c)

16.5 kg

d)

165 g

49.

What is the pressure in a system exerting a force of 999N over an area of 0.80 m2

a)

124.875 Pa

b)

1,248.75 N

c)

1,248.75 Pa

d)

1,553.75 Pa

50.

The amount of space matter fills is its _____________________.

a)

Density

b)

Mass

c)

Volume

d)

Pressure

51.

Which state of matter has a definite volume but an indefinite shape?

a)

Gas

b)

Solid

c)

Liquid

d)

No state of matter

52.

Which state of matter has a definite volume and a definite shape?

a)

Solid

b)

No state of matter

c)

Liquid

d)

Gas

53.

Which state of matter has an indefinite volume and an indefinite shape?

a)

Solid

b)

Gas

c)

No state of matter

d)

Liquid

54.

Which of the following is defined as a "substances resistance to flowing"?

a)

Surface tension

b)

Temperature

c)

Pressure

d)

Viscosity

55.

Which of the following reactions is an example of an exothermic change?

a)

Tarnishing

b)

Combustion

c)

Oxidation

d)

Electrolysis

56.

Which of the following is a physical change?

a)

Burning

b)

Rusting

c)

Freezing

d)

Oxidation

57.

Find the volume of a piece of matter with the following dimensions (22mL, 25mL, 50.5mL)

a)

27,775 cm3

b)

27,775 mL3

c)

277.75 cm3

d)

28,778 mL3

58.

True or False both mixtures and compounds contain chemical bonds

a)

True

b)

False

59.

In an atom the nucleus houses the:

a)

Protons and Electrons

b)

Neutrons and Electrons

c)

Neutrons and Protons

d)

Neutrons only

60.

The amount of matter in an object is a measure of its:

a)

Volume

b)

Density

c)

Weight

d)

Mass

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