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some exam help-6th grade science

Total questions: 76

Worksheet time: 38mins

Name
Class
Date
1.

made of one type of atom

a)

elements

b)

compounds

c)

atoms

d)

molecule

2.

made of 2 or more atoms held together by chemical bond

a)

elements

b)

compounds

c)

atoms

d)

molecule

3.

the amount of matter in an object

a)

mass

b)

volume

c)

density

4.

the amount of mass in a given volume

a)

mass

b)

volume

c)

density

5.

what is the density of an 8 kg object with a volume of 2 ml

a)

2

b)

6

c)

10

d)

4

6.

What is the mass of a substance that has a density of 3 kg/ml and a volume of 3 ml

a)

0

b)

3

c)

6

d)

9

7.

chemical properties include

a)

breaking a susbstance

b)

if a substance is flammable

c)

bouncing a substance

d)

if a substance sinks

8.

physical properties include

a)

if a substance can combine with another substance

b)

if a substance is flammable

c)

ability to conduct electricity

d)

none of the above

9.

physical properties include

a)

if a substance can combine with another substance

b)

if a substance is flammable

c)

ability to dissolve in water

d)

none of the above

10.

density equals

a)

mass/volme

b)

volume/mas

c)

mass x volume

d)

volume x mass

11.

weight is affected by

a)

the force of gravity

b)

the force of mass

c)

the force of volume

12.

a liquid mixture in which the minor component (the solute) is uniformly distributed within the major component (the solvent).

a)

solution

b)

mixture

c)

combination

13.

ice melting is an example of

a)

physical change

b)

chemical change

14.

burning paper is an example of

a)

chemical change

b)

physical change

15.

fusion gets energy from

a)

splitting nuclei

b)

combining nuclei

16.

fission gets energy from

a)

splitting nuclei

b)

combining nuclei

17.

to increase power

a)

do work quicker

b)

do work slower

c)

do work one day at at time

18.

stretching a rubber band increases

a)

potential energy

b)

kinetic energy

c)

fusion

d)

fission

19.

Total kinetic energy of all the atoms that make up an object.

a)

thermal energy

b)

temperature

c)

kinetic energy

d)

potential energy

20.

Average kinetic energy of particles of matter.

a)

thermal energy

b)

temperature

c)

kinetic energy

d)

potential energy

21.

is always transferred from a warmer to cooler object

a)

thermal energy

b)

heat

c)

kinetic energy

d)

thermal energy

22.

if kinetic energy increases, thermal energy

a)

increases

b)

decreases

23.

if kinetic energy decreases, thermal energy

a)

increases

b)

decreases

24.

do not conduct heat well

a)

conductors

b)

insulators

25.

conduct heat very well

a)

counductors

b)

insulators

26.

copper is an example of

a)

an insulator

b)

a conductor

27.

rubber is an example of

a)

an insulator

b)

a conductor

28.

the amount of energy per kilogram needed to raise the temperature of a material 1 degree kelvin is

a)

heat sensivity

b)

thermal heat

c)

specific heat

d)

heat resistance

29.

when energy transfers, the total amount of energy in a system

a)

remains the same

b)

increases

c)

decreases

d)

drops to zero

30.

items with a higher specific heat

a)

take longer to heat up

b)

heat up quickly

c)

melt

31.

items with a lower specific heat

a)

take longer to heat up

b)

heat up quickly

c)

melt

32.

physical changes

a)

changes of state, shape

b)

change in properties

33.

chemical changes

a)

changes of state

b)

change in color

c)

new product formed

34.

Is rust a physical or chemical change?

a)

physical

b)

chemical

35.

the tension of the surface film of a liquid caused by the attraction of the particles in the surface layer

a)

surface tension

b)

viscocity

c)

density

d)

boiling point

36.

When is Mr. Millet not doing any work?

a)

digging a hole

b)

picking up something off of the floor

c)

carrying something to his classroom

d)

taking a break from all of the above items

37.

mechanical energy equals

a)

kinetic energy plus potential energy

b)

elastic energy plus potential energy

c)

kinetic energy times potential energy

38.

1/2 mass x volume squared equals

a)

kinetic energy

b)

potential energy

c)

volume

d)

density

39.

energy when something is stretched is called ____________ potential energy

a)

elastic

b)

gravitational

c)

kinetic

d)

potential

40.

photosynthesis is a type of _____________ energy

a)

chemical

b)

electromagnetic

c)

kinetic

d)

thermal

41.

_____________ flows from a warmer to cooler object

a)

heat

b)

temperature

c)

thermal energy

d)

viscocity

42.

When I heat my food in the microwave

a)

kinetic energy of the food particles increases causeing temp to rise

b)

thermal energy of the food causes it to melt

c)

kinetic energy decreases causing food to heat

d)

thermal energy decreases

43.

the law of conservation of energy says that energy is

a)

not created or destroyed, it only changes form

b)

transferred from a warmer to cooler object

c)

is lost as it transfers from one object to another

d)

is useless if it transfers to the air

44.

Why are there gaps placed in concrete sidewalks and bridges

a)

so that they can move closer together in warmer weather (increase in kinetic energy)

b)

so they can move apart in warmer weather

c)

it doesn't matter, their kinetic energy stays the same

45.

energy stored in batteries is

a)

electrical

b)

chemical

c)

thermal

d)

kinetic

46.

once you turn on a flash light, chemical energy is converted to

a)

electrical energy

b)

light

c)

heat

d)

thermal energy

47.

in a flashlight, once chemical energy is converted to electrical energy, electrical energy is converted to

a)

light

b)

heat

c)

thermal energy

d)

sound

48.

What energy transformations take place in a campfire

a)

chemical to thermal to electromagnetic

b)

chemical to thermal

c)

thermal to electromagnetic

49.

energy ________________ is from one source to another

a)

transfer

b)

transformation

50.

energy ________________ is from one type to another

a)

transfer

b)

transformation

51.

placing your hands on a hot pot

a)

radiation

b)

conduction

c)

convection currents

d)

convection

52.

a person standing in the sun is warmed by

a)

radiation

b)

conduction

c)

convection currents

d)

convection

53.

air currents transferred as heat

a)

radiation

b)

conduction

c)

convection currents

d)

convection

54.

reheating your lunch in the oven

a)

radiation

b)

conduction

c)

convection currents

d)

convection

55.

an increase in particle movement increases

a)

thermal energy

b)

height

c)

transformation

d)

transfer

e)

potential energy

56.

gravitational potential energy is affected by weight and

a)

thermal energy

b)

height

c)

transformation

d)

transfer

e)

potential energy

57.

energy _____________ is from one form to another

a)

thermal energy

b)

height

c)

transformation

d)

transfer

e)

potential energy

58.

energy _____________ is from one object to another

a)

thermal energy

b)

height

c)

transformation

d)

transfer

e)

potential energy

59.

chemical energy is a form of

a)

thermal energy

b)

height

c)

transformation

d)

transfer

e)

potential energy

60.

no shape or volume

a)

gas

b)

vibrate

c)

arranged in a regular pattern

d)

boiling

e)

lose energy

61.

particles in a solid do not move past each other, they

a)

gas

b)

vibrate

c)

arranged in a regular pattern

d)

boiling

e)

lose energy

62.

particles in a crystalline solid are

a)

gas

b)

vibrate

c)

arranged in a regular pattern

d)

boiling

e)

lose energy

63.

particles that are frozen

a)

gas

b)

vibrate

c)

arranged in a regular pattern

d)

boiling

e)

lose energy

64.

vaporization above and below the surface is called

a)

gas

b)

vibrate

c)

arranged in a regular pattern

d)

boiling

e)

lose energy

65.

energy from the sun

a)

electromagnetic

b)

chemical

c)

kinetic

d)

electrical

e)

thermal

66.

energy my phone is using while it is charging

a)

electromagnetic

b)

chemical

c)

kinetic

d)

electrical

e)

thermal

67.

digesting my breakfast

a)

electromagnetic

b)

chemical

c)

kinetic

d)

electrical

e)

thermal

68.

playing at recess

a)

electromagnetic

b)

chemical

c)

kinetic

d)

electrical

e)

thermal

69.

grilling hot dogs for dinner

a)

electromagnetic

b)

chemical

c)

kinetic

d)

electrical

e)

thermal

70.

when waves appear to be standing still

a)

standing wave

b)

refraction

c)

energy

d)

reflection

e)

absorption

71.

all wave types involve a transfer of

a)

standing wave

b)

refraction

c)

energy

d)

reflection

e)

absorption

72.

sunlight bouncing off of concrete

a)

standing wave

b)

refraction

c)

energy

d)

reflection

e)

absorption

73.

waves of light bend as they change medium

a)

standing wave

b)

refraction

c)

energy

d)

reflection

e)

absorption

74.

sunlight is absorbed by the beach and heats the sand

a)

standing wave

b)

refraction

c)

energy

d)

reflection

e)

absorption

75.

mechanical waves

a)

need a medium

b)

do not need a medium

76.

electromagnetic waves

a)

need a medium

b)

may or may not need a medium

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