Name: 
 

6th Grade Science Review Game



Completion
Complete each statement.
 
 
Vocabulary Review
Unscramble the terms in italics next to their definition.
 

 1. 

latstayc: substance that changes the rate of chemical reactions without changing its own structure ____________________
 

 

 2. 

fntorsaimotnar: change of energy from one form to another ____________________
 

 

 3. 

teikinc: energy of objects in motion ____________________
 

 

 4. 

slationur: material that doesn’t allow heat to be conducted easily ____________________
 

 

 5. 

alw fo sornacetoniv fo gerney: Energy cannot be created or destroyed. ____________________
 

 

 6. 

dinutconoc: transfer of energy from particle to particle when there is a temperature difference ____________________
 

 

 7. 

greyen: ability to cause change ____________________
 

 

 8. 

athe: thermal energy that moves from a warmer to a cooler object ____________________
 

 

 9. 

eptilonta: stored energy ____________________
 

 

 10. 

tadaiorin: energy that travels in waves in all directions from its source ____________________
 

 

 11. 

urepattmere: measure of the average kinetic energy of particles ____________________
 

 

 12. 

ontrechidem: reaction that absorbs energy ____________________
 

 

 13. 

iheccalm: energy stored within chemical bonds ____________________
 

 

 14. 

ovitocencn: transfer of energy when particles move from place to place where there is a temperature difference ____________________
 

 

 15. 

tixocemreh: reaction that gives off energy ____________________
 

 
 
Complete the following sentences using the terms listed below.
thermalsconductorsenzymescatalystschemical bonds
 

 16. 

____________________ are materials that transfer thermal energy easily.
 

 

 17. 

Columns of warm air that are forced up as cold air sinks are ____________________.
 

 

 18. 

____________________ are the forces that hold the particles in a substance together.
 

 

 19. 

Substances that change the rate of a chemical reaction without themselves being changed are ____________________.
 

 

 20. 

In your body, ____________________ speed up cell processes.
 

 

 21. 

If an object has energy, then that object has the ability to cause ____________________.
 

 

 22. 

Any change of energy from one form to another is called a(n) ____________________.
 

 

 23. 

The higher a hill, the more ____________________ energy a skier has at the top and the more ____________________ energy while skiing down.
 

 

 24. 

The statement that the total amount of energy in the universe never changes is called the ____________________.
 

 

 25. 

The measure of the average ____________________ of particles in a material is called temperature.
 

 

 26. 

The Fahrenheit temperature scale is used mainly in ____________________ and ____________________.
 

 

 27. 

Energy moves from the Sun to Earth by ____________________.
 

 

 28. 

Energy moves through ocean currents by ____________________.
 

 

 29. 

Cooking pans have handles made of materials that are ____________________ of heat.
 

 

 30. 

When we move, our muscles transform chemical energy from our food into ____________________ energy and heat.
 

 

 31. 

Heat is ____________________ by food as it cooks.
 

 

 32. 

In photosynthesis, the cells in green plants convert energy from sunlight into ____________________energy in a type of sugar.
 

 

 33. 

Catalysts in the body are called ____________________.
 

 

 34. 

A(n) ____________________ in saliva acts as a catalyst to break down starches.
 

 

Short Answer
 
 
For each of the following examples, determine which type of heat transfer is illustrated.
 

 35. 

Food is cooked in a microwave oven.
 

 36. 

A breeze blows along the ocean shore on a hot day.
 

 37. 

Food is cooked on a gas stove.
 

 38. 

Food is cooked on a barbecue grill.
 

 39. 

Is combustion an exothermic reaction or an endothermic reaction? Is photosynthesis an exothermic reaction or an endothermic reaction?
 

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 40. 

The ability to cause change is ____.
a.
heat
c.
energy
b.
transformation
d.
conduction
 

 41. 

The average kinetic energy of the atoms in an object determines its ____.
a.
speed
c.
mass
b.
temperature
d.
specific heat
 

 42. 

Materials that do not transfer heat easily are ____.
a.
thermals
c.
insulators
b.
conductors
d.
enzymes
 

 43. 

At 0°C on the Celsius temperature scale, ____.
a.
all chemical bonds are broken
b.
water freezes
c.
water boils
d.
all particle motion stops
 

 44. 

In a chemical reaction, it takes energy to ____.
a.
break chemical bonds
c.
lower the temperature
b.
stop the reaction
d.
activate a catalyst
 

 45. 

An example of heat transfer by convection is the ____.
a.
melting of ice
b.
formation of air currents
c.
heating of the ground by sunlight
d.
formation of chemical bonds
 

 46. 

The total amount of energy in the universe ____.
a.
is always increasing
b.
varies from moment to moment
c.
remains the same
d.
is always decreasing
 

 47. 

Kinetic energy plays a role in each of the following EXCEPT a ____.
a.
moving soccer ball
b.
skydiver falling toward Earth
c.
skier standing at the top of a hill
d.
car traveling at 40 mph
 

 48. 

An example of an exothermic reaction is____.
a.
photosynthesis
b.
the explosion of dynamite
c.
the formation of water from oxygen and hydrogen
d.
the boiling of water
 

 49. 

The scientist who described the law of conservation of energy is ____.
a.
Celsius
c.
Kelvin
b.
Fahrenheit
d.
Joule
 

 50. 

The transfer of energy from warmer to cooler objects is known as ____.
a.
heat
c.
temperature
b.
conservation
d.
absolute zero
 

 51. 

A bouncing rubber ball has each of the following EXCEPT ____.
a.
kinetic energy
c.
heat
b.
potential energy
d.
temperature
 

 52. 

The conversion of carbon dioxide and water to oxygen and sugar in photosynthesis is an example of a(n) ____.
a.
exothermic reaction
c.
enzymatic reaction
b.
transfer reaction
d.
endothermic reaction
 

 53. 

Radiation involves the transfer of energy by ____.
a.
particle collisions
c.
air flow
b.
waves
d.
temperature differences
 

 54. 

The spring inside a moving wind-up toy has ____.
a.
potential energy only
b.
kinetic energy only
c.
both potential energy and kinetic energy
d.
neither potential energy nor kinetic energy
 

 55. 

To change the rate of a chemical reaction in a beaker you can do all of these EXCEPT ____.
a.
lift the beaker
c.
raise the temperature
b.
add a catalyst
d.
lower the temperature
 

 56. 

If the amount of energy required to boil a pot of water were added to a swimming pool, the water in the pool would
a.
boil
c.
warm
b.
change very little
d.
cool
 

 57. 

How does an endothermic reaction take place when some kinds of cookie dough are baked?
a.
Chemicals in the dough produce heat that makes the cookies rise.
b.
Energy released by the flour makes the cookies rise.
c.
Baking soda absorbs energy and produces a gas that makes the cookies rise.
d.
Radiation from the oven alone makes the cookies rise.
 

 58. 

Exothermic reactions ____.
a.
absorb water
c.
absorb energy
b.
involve radiation
d.
release energy
 

 59. 

As a snowflake falls, it ____.
a.
loses kinetic energy and gains potential energy
b.
loses potential energy and gains kinetic energy
c.
gains both potential and kinetic energy
d.
loses both potential and kinetic energy
 

 60. 

The motion of atoms in all directions in solids, liquids, and gases is called ____.
a.
radiation
c.
random motion
b.
convection
d.
magnetism
 

 61. 

In a chemical reaction, ____.
a.
compounds are broken down
c.
both a and b
b.
new compounds are formed
d.
neither a nor b
 

 62. 

Energy occurs in ____.
a.
only one form
c.
only three forms
b.
only two forms
d.
many forms
 

 63. 

What are the two main types of energy that relate to motion?
a.
conduction and convection
c.
potential and kinetic
b.
solar and thermal
d.
radiation and heat
 

 64. 

A rock sitting on top of a cliff has ____.
a.
kinetic energy
c.
potential energy
b.
no energy
d.
radiation energy
 

 65. 

As the temperature of a material increases, the average ____ of its particles also increases.
a.
specific heat
c.
mass
b.
kinetic energy
d.
potential energy
 

 66. 

What is the freezing point of water on the Celsius temperature scale?
a.
0°C
c.
100°C
b.
–100°C
d.
273°C
 

 67. 

Which one of the following statements describes the flow of heat?
a.
Energy moves from a warmer object to a cooler object.
b.
Energy moves from a cooler object to a warmer object.
c.
Energy moves only between two warm objects.
d.
Energy moves only between two cold objects.
 

 68. 

A material that reduces the flow of heat by conduction, convection, and radiation is called a(n) ____.
a.
conductor
c.
insulator
b.
condenser
d.
radiator
 

 69. 

Which type of energy transfer occurs even in a vacuum?
a.
combustion
c.
convection
b.
radiation
d.
conduction
 

 70. 

Which one of the following is NOT a good conductor of heat?
a.
air
c.
copper
b.
aluminum
d.
silver
 

 71. 

Where is the chemical energy in a material stored?
a.
the nucleus
c.
the protons
b.
the electrons
d.
the bonds between atoms
 

 72. 

Which one of the following is correct concerning the breaking of a chemical bond?
a.
Only electricity can break a chemical bond.
b.
Energy is never released from the breaking of a bond.
c.
Only heat can break a chemical bond.
d.
When a bond is broken, energy is added and released.
 

 73. 

Which type of chemical reaction needs to absorb energy to proceed?
a.
exothermic
c.
explosion
b.
endothermic
d.
radiation
 

 74. 

Which one of the following is NOT an example of a chemical reaction that is exothermic?
a.
the breakdown of water into hydrogen gas and oxygen gas
b.
a chemical hand warmer
c.
the burning of charcoal
d.
the explosion of dynamite
 

 75. 

Which one of the following statements is true about catalysts?
a.
They are required for a chemical reaction to take place.
b.
They change the rate of a chemical reaction without being used up.
c.
They change the rate of a chemical reaction but are always used up.
d.
They can only slow down the rate of a chemical reaction.
 

True/False
Indicate whether the statement is true or false.
 

 76. 

During energy transformations, sometimes energy is destroyed.
 

 77. 

When you are swinging on a playground swing, your potential energy is greatest at the highest point.
 

 78. 

The greater the average kinetic energy of an object, the lower the temperature of that object.
 

 79. 

A vinyl-covered seat conducts heat slower than a fabric-covered seat.
 

 80. 

When you pick up an ice cube, the heat from your hand transfers to the ice.
 

 81. 

The stored potential energy within chemical bonds is called chemical energy.
 

 82. 

Photosynthesis is primarily an exothermic reaction.
 

 83. 

Catalysts are used in the production of many consumer goods such as vegetable shortening and synthetic rubber.
 

Matching
 
 
Match each term with the correct statement below.
a.
conduction
c.
heat
b.
convection
d.
radiation
 

 84. 

the movement of thermal energy from warm objects to cool objects
 

 85. 

Thermals in the air are due to this.
 

 86. 

type of energy movement used by microwave ovens
 

 87. 

reason why the handle of a spoon with only its bottom part in a pan of hot water can get hot
 
 
Match each term with the correct description below.
a.
endothermic
d.
potential energy
b.
exothermic
e.
temperature
c.
kinetic energy
 

 88. 

energy of motion
 

 89. 

celsius scale measures this
 

 90. 

energy of position
 

 91. 

a reaction that absorbs energy
 

 92. 

a reaction that releases energy
 



 
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