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Unit 1 Review Quiz

Total questions: 80

Worksheet time: 58mins

Name
Class
Date
1.

In an endothermic reaction, heat is ...

a)

taken in

b)

given out

2.
In an exothermic reaction, heat is ...
a)
taken in
b)
given out
3.

6. Which of these processes is always exothermic?

a)

A. evaporation

b)

B. burning

c)

C. insulation

d)

D. melting

4.

1. Equal amounts of four different substances (A-D) where added separately to equal amounts of an acid and a thermometer placed in the mixture. For which substance is the reaction the most exothermic?

a)

A. temperature rises by 3 °C\degree C    

b)

B. temperature falls by 5 °C\degree C   

c)

C. temperature falls by 3 °C\degree C    

d)

D. temperature rises by 5 °C\degree C  

5.
If a chemical reaction is EXOTHERMIC, the temperature would....
a)
Stay the same
b)
Increase
c)
Decrease
6.
During an endothermic reaction in a beaker if we are part of the surroundings and touched the beaker, it would feel _______. 
a)
Warm
b)
Cold
7.
Baking bread and cooking an egg are examples of....?
a)
Endothermic processes
b)
Exothermic processess
c)
None of these 
8.
What type of reaction is shown in the photo?
a)
Exothermic
b)
Isothermic
c)
Endothermic
d)
None of the  above
9.
Is photosenthysis an Exothermic or an Endothermic reaction?
a)
Endothermic
b)
Exothermic
10.

What type of reaction occurs in a hand warmer?

a)

exothermic

b)

endothermic

11.

5. When ammonium chloride dissolves in water the temperature falls. The type of energy change is described as?

a)

A. exothermic    

b)

 B. activated  

c)

C. decomposition            

d)

D. endothermic

12.

O2(g) + 2 H2 (g) → 2 H2O (g) + EnergyO_2\left(g\right)\ +\ 2\ H_2\ \left(g\right)\ \rightarrow\ 2\ H_2O\ \left(g\right)\ +\ Energy  

a)

endothermic

b)

exothermic

13.

6 CO2+ 6 H2O + Energy → C6H12O6 + 6 O26\ CO_2+\ 6\ H_2O\ +\ Energy\ \rightarrow\ C_6H_{12}O_6\ +\ 6\ O_2

a)

endothermic reaction

b)

exothermic reaction

14.

A student mixed two chemicals to allow them to react. The temperature before the reaction was 25 ° C. The temperature after the reaction was 18° C. Which of the following is true?

a)

It is an exothermic reaction

b)

It is an endothermic reaction

15.

This is when heat is absorbed, it is an

a)

Exothermic reaction

b)

endothermic reaction

c)

both

d)

none

16.

When heat is released it is an

a)

exothermic reaction

b)

endothermic reaction

c)

both

d)

none

17.

Your hands get cold outside from not wearing gloves

a)

exothermic

b)

endothermic

c)

both

d)

none

18.

Fireworks are an example of

a)

exothermic

b)

endothermic

c)

both

d)

none

19.

A melting ice cube is an example of

a)

exothermic

b)

endothermic

c)

none

d)

both

20.
Have you ever eaten sherbet sweets candy? They fizz in your mouth and your tongue feels cold. Why do you think that is?
a)
It is an exothermic reaction
b)
It is an endothermic reaction
c)
It is made of ice
d)
It is dissolving your mouth
21.
A 500-gram block of solid cheese is melted in a pot. Which is most likely the mass of the cheese after it is melted?
a)
500 grams, because the cheese does not gain or lose mass just because it was melted
b)
499 grams, because some of the cheese evaporates as it melts
c)
502 grams, because the cheese absorbs heat as it melts
22.
A student notices that an inflated balloon gets larger when it is warmed by a lamp. Which best describes the mass of the balloon as a result of this change?
a)
The mass of the balloon increases because the size of the balloon has increased.
b)
The mass of the balloon increases because the temperature of the balloon has increased.
c)
The mass of the balloon stays the same because the gas inside the balloon still has the same mass after it warms up.
23.
Jamie weighs a glass of water and observes its weight to be 12 ounces. Jamie then adds 6 ice cubes to the glass of water. Each ice cube weighs one ounce. After all of the ice cubes have melted, what will be theapproximate weight of the glass of water?
a)
6 
b)
12 
c)
18 ounces
24.
A 55-gram egg is placed in a pot. After the egg is boiled, which is most likely the mass of the egg?
a)
50 
b)
55 
25.

In a reaction A + B ----> C, reactant A has 5g and product C has 9g. How many grams does reactant B have?

a)

4g

b)

5g

c)

9g

d)

14g

26.
If reaction starts with 20g of reactants it should produce 
a)
a total of 40g of products
b)
a total of 10g of products
c)
a total of 80 g of products
d)
a total of 20g of products
27.
What will weigh more when a chemical change is complete?  The reactants before the chemical reaction, or the product after the reaction is complete?
a)
They both will weigh the same
b)
The product always weighs more than the reactant
c)
The reactant will weigh more than the product
d)
They both will loose mass after the reaction
28.
If a reaction starts with a total 75g of reactants it should produce 
a)
a total of 40g of products
b)
a total of 75g of products
c)
a total of 180 g of products
d)
None of the above
29.
In the reaction AB-----> A + B reactant AB has 12g and product B has 5g. How many grams should product A have?
a)
17g
b)
2g
c)
7g
d)
None of the above
30.
12g of Carbon react with 16g of Oxygen, how much carbon monoxide (CO) is formed? 
a)
28 g
b)
4g
c)
30g
d)
12g
31.
24 g of magnesium reacts with 38 g of fluorine to produce _____ g magnesium fluoride
a)
62 
b)
38
c)
24
d)
14
32.

32 g of Oxygen completely reacts with 8 g of Hydrogen to produce _____ g Water

a)

8

b)

12

c)

24

d)

40

33.

4 grams of hydrogen and 32 grams of oxygen will combine to form:

a)

36 grams of water

b)

28 grams of hydroxide

c)

32 grams of oxygen

d)

36 grams of deuterium

34.

In a chemical reaction, 4 grams of sodium must combine with how many grams of chlorine to produce 10 grams of table salt?

a)

4 grams

b)

6 grams

c)

8 grams

d)

10 grams

35.

Why does this picture demonstrate the Law of Conservation of Mass?

a)

the number of atoms of each element are the same on both sides

b)

they start out separate and end up combined

c)

the same elements are used

d)

it doesn't demonstrate the Law of Conservation of Mass

36.

When a log is burned, what happens to the wood?

a)

The mass stays the same, but becomes smoke and ash.

b)

It disappears.

c)

The mass changes as it goes away.

d)

Nothing. You're imagining things.

37.

What is thermodynamics?

a)

The study of heat and temperature effects on matter.

b)

The branch of physics that deals with the relationships between heat and other forms of energy.

c)

The science of predicting weather patterns.

d)

The study of motion and forces.

38.

According to the First Law of Thermodynamics, which of the following statements is true?

a)

Heat is a form of energy that can be created and destroyed.

b)

Heat can be transferred from a cold object to a hot object without external energy.

c)

Heat is a form of energy that can neither be created nor destroyed, only transferred.

d)

Heat is not a form of energy and does not follow the law of conservation.

39.

What does the Zeroeth Law of Thermodynamics state?

a)

If two bodies are in thermal equilibrium with a third body, they are not in equilibrium with each other.

b)

If two bodies are in thermal equilibrium with a third body, they are also in equilibrium with each other.

c)

If two bodies are in thermal equilibrium, they must be at the same temperature.

d)

If two bodies are not in thermal equilibrium, they cannot exchange heat.

40.

What is the Second Law of Thermodynamics primarily concerned with?

a)

The unrestricted creation and destruction of heat energy.

b)

The transfer of heat energy from a body at a lower temperature to a body at a higher temperature without the addition of outside energy.

c)

The prediction of energy costs for heating and cooling systems.

d)

The concept of entropy and the direction of heat transfer.

41.

What is heat?

a)

A measure of the total kinetic energy in a substance.

b)

Energy transferred between substances or systems due to a temperature difference.

c)

The total potential energy in a system.

d)

A form of light energy.

42.

What determines the temperature of an object?

a)

The amount of potential energy in an object.

b)

The amount of heat it radiates.

c)

The amount of kinetic energy in an object.

d)

The amount of heat it absorbs from the environment.

43.

Which are the three means by which heat can be transferred from one environment to another?

a)

Conduction, compression, and refraction.

b)

Convection, radiation, and transformation.

c)

Conduction, convection, and radiation.

d)

Conduction, contamination, and reflection.

44.

What is "absolute zero" according to the Third Law of Thermodynamics?

a)

The temperature at which matter contains a maximum amount of energy.

b)

The temperature at which matter is at its most disordered state.

c)

The temperature at which matter has absolutely no energy at all.

d)

The temperature at which matter changes from one state to another.

45.

What does entropy describe in a thermodynamic system?

a)

The transition of energy from one form to another.

b)

The amount of disorder in the system.

c)

The process of heat transfer by direct contact.

d)

The emission and absorption of electromagnetic radiation.

46.

Which process involves the transfer of heat between objects by direct contact?

a)

Radiation

b)

Convection

c)

Conduction

d)

Entropy

47.

What is convection?

a)

The form of heat transfer where energy is transferred through waves.

b)

The form of heat transfer where energy transition occurs within a liquid or gas.

c)

The form of heat transfer that involves electromagnetic radiation.

d)

The form of heat transfer that increases the entropy in a system.

48.

How does radiation allow for heat transfer?

a)

Through the direct contact of two objects.

b)

By the movement of fluids or gases.

c)

By the emission or absorption of electromagnetic radiation.

d)

By increasing the disorder in a system.

49.

What process is depicted in the first diagram where warm molecules rise and cool molecules sink?

a)

Radiation

b)

Conduction

c)

Convection

d)

Evaporation

50.

What is the term used to describe the transfer of thermal energy through empty space, as shown in the second diagram?

a)

Convection

b)

Conduction

c)

Radiation

d)

Insulation

51.

TRUE or FALSE. Potential energy is stored energy. It is relative to its position and location.

a)

True

b)

False: Potential energy is energy in motion.

52.

What type of energy allows you to see the images and texts on your cell phone screen?

a)

Sound

b)

Thermal

c)

Magnetism

d)

Light

53.

Which type of energy provides power for your TV, Xbox or play station?

a)

Electrical

b)

Thermal

c)

Mechanical

d)

Solar

54.

Another word for Light Energy is ...

a)

Real Energy

b)

Radar Energy

c)

Radiant Energy

d)

Rational Energy

55.

When this cat walks around the house, the bell on it's collar jingles. What form of energy is this?

a)

Magnetic

b)

Electrical

c)

Thermal

d)

Sound

56.

On a warm sunny day, a turtle sits on a rock. Which term explains why the turtle feels the warmth from the sun?

a)

electrical

b)

light energy

c)

mechanical

d)

thermal energy

57.

A student connected some wire to a battery and a small bulb to make a simple circuit. What type of energy is stored in the battery?

a)

chemical

b)

nuclear

c)

heat

d)

light

58.

Which types of energy are stored energy? Choose 2 answers.

a)

thermal energy

b)

chemical energy

c)

sound energy

d)

nuclear energy

59.

Thermal, sound, and light energy are .......

a)

stored energy

b)

chemical energy

c)

energy of motion

d)

heat energy

60.

______________ energy is a type of energy that allows us to see things.

a)

Light

b)

Sound

c)

Thermal

d)

Chemical

61.

Which is the type of energy used when burning gasoline?

a)

Magnetic

b)

Electrical

c)

Nuclear

d)

Chemical

62.

What term fits the following statement? Energy cannot be created or destroyed.

a)

Law of Conservation of energy

b)

Newton's Second Law

c)

Law of conservation of momentum

d)

Law of conservation of motion

63.

Which of the following describes an object with elastic potential energy?

a)

a cannon ball sitting at the bottom of a cannon

b)

an iceberg floating in ocean water that is 35°F

c)

a boulder teetering on the edge of a steep cliff

d)

a bed spring that is pushed together with a weight

64.

Which of the following objects has kinetic energy?

a)

an apple sitting on a desk

b)

a shirt folded on a chair

c)

a rock falling off a cliff

d)

a book lying on a table

65.

Which of the following is the correct definition of chemical energy?

a)

energy stored in chemical bonds of molecules

b)

energy produced from the splitting of atoms

c)

energy resulting from the flow of charged particles, such as electrons or ions

d)

energy an object has because of its motion or position

66.
Which of the following terms identifies the change from a liquid to solid?
a)
Melting
b)
Condensation
c)
Vaporization
d)
Freezing
67.
When the temperature of matter increases the particles...
a)
speed up and move closer
b)
speed up and move farther apart
c)
slow down and move closer together
d)
slow down and move farther apart
68.
Phase change from a solid to a gas.
a)
sublimation
b)
deposition
c)
condensation
d)
evaporation
69.
Phase change from a solid to a liquid.
a)
melting
b)
sublimation
c)
boiling
d)
condensation
70.
Phase change from a gas to a liquid.
a)
condensation
b)
evaporation
c)
melting
d)
deposition
71.
The opposite phase of melting is 
a)
freezing 
b)
sublimation
c)
condensation 
d)
deposition 
72.

The change of one state of matter to another is called

a)

Osmosis

b)

Phase Change

c)

Matter

d)

Energy

73.

Change of a gas directly into a solid

a)

Sublimation

b)

Condensation

c)

Evaporation

d)

Deposition

74.

Transition from a liquid to a gas

a)

Condensation

b)

Freezing

c)

Evaporation

d)

Melting

75.

This is an example of

a)

Freezing

b)

Melting

c)

Condensation

d)

Sublimation

76.

This is an example of

a)

Melting

b)

Condensation

c)

Freezing

d)

Evaporation

77.

This is an example of

a)

Condensation

b)

Evaporation

c)

Sublimation

d)

Melting

78.

This is an example of

a)

Deposition

b)

Condensation

c)

Melting

d)

Evaporation

79.

The temperature at which a liquid evaporates to a gas is called

a)

freezing point

b)

boiling point

c)

melting point

d)

condensation point

80.

The temperature at which a solid melts to a liquid is called

a)

Boiling Point

b)

Freezing Point

c)

Condensation Point

d)

Melting Point

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