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science

Total questions: 62

Worksheet time: 39mins

Name
Class
Date
1.
A substance that is made up for one type of atom is called an:
a)
atom
b)
element
c)
compound
d)
mixture
2.
The part of the atom that determines the identity of the atom is the ____________.
a)
proton
b)
nucleus
c)
electron
d)
neutron
3.
The mass of a proton is _______.
a)
1 amu
b)
1 gram
c)
has no mass
d)
undetermined
4.
All matter is made of _________. 
a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
5.
Which particle has a similar mass to a proton?
a)
Electron
b)
Neutron
c)
Photon
d)
Marble
6.
Kathy used a survey to determine how many of her classmates were left-handed and how many were right-handed.
Which step of the scientific method is this?
a)
Stating the problem
b)
Forming a hypothesis
c)
Conducting an experiment
d)
Drawing a  conclusion
7.
Jose saw bats catching insects after dark. He said, "How do bats find the insects in the dark?"
Which step of the scientific method is this?
a)
Stating the problem
b)
Forming a hypothesis
c)
Conducting an experiment
d)
Drawing a  conclusion
8.

Planet with thick atmosphere of carbon dioxide

a)

Mars

b)

Venus

c)

Mercury

d)

Jupiter

9.

The hottest planet

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

10.

Planet with a great red spot caused by a continuous storm

a)

Mars

b)

Earth

c)

Jupiter

d)

Neptune

11.

Planet with the most rings

a)

Jupiter

b)

Saturn

c)

Uranus

d)

Neptune

12.

What is the change in matter?

a)

solid to liquid

b)

liquid to soild

c)

liquid to gas

d)

the same state of matter

13.

How is this change in matter happen?

a)

freezing

b)

melting

c)

solid to gas

d)

the same state of matter

14.

What is the change in matter?

a)

solid to liquid

b)

liquid to soild

c)

liquid to gas

d)

the same state of matter

15.

What is a matter

a)

nothing

b)

only the gas

c)

everything around us

d)

only the sun

16.

The particle is

a)

very big parts

b)

huge parts

c)

very small parts

d)

it is nothing

17.

The liquid can Change its shape

a)

Liquid shape changes like the container shape

b)

liquid shape never changes

c)

the liquid shape is solid

d)

liquid never take a shape

18.

When the gases have shape

a)

gases have a shape always

b)

The gas takes a shape in the containers only

c)

gas never have a shape in a container

d)

gas is a solid

19.

Solids do not take the shape of the container

a)

true

b)

false

c)

always

d)

solid is liquid

20.

Some solids like gold take a longer time to melt

a)

true

b)

false

c)

metal never melt

21.

boiling point is the temperature at which change the substances from

a)

liquid to solid

b)

solid to liquid

c)

liquid to gas

d)

solid to gas

22.

Melting point is the temperature at which change the substances from

a)

liquid to solid

b)

solid to liquid

c)

gas to solid

d)

solid to gas

23.

Sounds come from

a)

sources

b)

nothing

c)

outer space

24.

Sounds travel through

a)

solid

b)

liquid

c)

gas

d)

all of the above

25.

Sounds travel best through

a)

solid

b)

liquid

c)

gas

d)

nothing

26.

What Forms when a liquid is cooled to freezing point.

a)

solid

b)

liquid

c)

gas

d)

water

27.

Cooling causes a liquid to change into a

a)

solid

b)

liquid

c)

gas

d)

nothing

28.

All matter consists of

a)

particles

b)

solid

c)

gas

d)

liquid

29.

If the particles are closely packed so that they can only move a little bit, the substance is a .

a)

solid

b)

liquid

c)

gas

d)

water

30.

If the particles are far apart and move a lot, the substance is a

a)

solid

b)

liquid

c)

gas

d)

particles

31.

Light travel from

a)

light source

b)

nowhere

c)

sound source

32.

Light reflects off objects to

a)

our hands

b)

our eyes

c)

our ears

d)

does not reflect

33.

Light travels in...........

a)

curved lines

b)

straight lines

c)

does not travel

d)

all of the above

34.

The periscope has........

a)

one mirror

b)

two mirrors

c)

three mirrors

d)

no mirror

35.

We smell with our

a)
b)
c)
36.

We touch with our

a)
b)
c)
37.

We hear from our

a)
b)
c)
38.

We see from our

a)
b)
c)
39.
Rene grew bacteria from the mouth on special plates in the laboratory.  She placed drops of different mouthwashes on bacteria on each plate.
Which step of the scientific method is this?
a)
Stating the problem
b)
Forming a hypothesis
c)
Conducting an experiment
d)
Drawing a  conclusion
40.
Jonathan's data showed that household cockroaches moved away from raw cucumber slices.
Which step of the scientific method is this?
a)
Stating the problem
b)
Forming a hypothesis
c)
Conducting an experiment
d)
Drawing a  conclusion
41.
Susan said, "If I fertilize my geranium plants, then they will blossom."
Which step of the scientific method is this?
a)
Stating the problem
b)
Forming a hypothesis
c)
Conducting an experiment
d)
Drawing a  conclusion
42.
Stephen predicted that seeds would start to grow faster if an electric current traveled through the soil in which they were planted.  
Which step of the scientific method is this?
a)
Stating the problem
b)
Forming a hypothesis
c)
Conducting an experiment
d)
Drawing a  conclusion
43.
The second energy level can hold up to how many electrons?
a)
2
b)
8
c)
10
d)
12
44.
What is the atomic mass of "F"
a)
9
b)
18
c)
17
d)
19
45.
How do you find out the number of protons in an atom?
a)
atomic number
b)
atomic mass
c)
charge
d)
atomic mass - atomic number
46.
How do you find out the number of neutrons in an atom?
a)
atomic number
b)
atomic mass
c)
charge
d)
atomic mass - atomic number
47.

What is Newton's first Law of Motion?

a)

Every action has an equal opposite reaction

b)

Sandwich

c)

An object in motion stays in motion unless acted upon by an unbalanced force

d)

The force acting on an object is equal to the mass of an object times its Acceleration

48.

What is the atomic number of oxygen?

a)

5

b)

17

c)

Sandwich

d)

8

49.

What is the molecular structure of Table salt?

a)

Sandwich

b)

Molecular who?

c)

NaCI

d)

H2O

50.

Biology is the study of What?

a)

Sandwich

b)

Life

c)

The human brain

d)

Weather

51.

Biology is the study of what?

a)

Life

b)

Sandwich

c)

The human brain

d)

Weather

52.

What is the molecular structure of table salt?

a)

Sandwich

b)

Molecular who?

c)

H2O

d)

NaCl

53.

What is the atomic number of oxygen?

a)

5

b)

Sandwich

c)

8

d)

17

54.

What is Newton's first law of motion?

a)

Every action has an equal opposite reaction

b)

An object in motion stays in motion unless acted upon by an unbalanced force

c)

The force acting on an object is equal to the mass of an object times its acceleration

d)

Sandwich

55.

_______ is push or a pull

a)

Motion

b)

Force

c)

Speed

56.

______ is a contact force that opposes the motion of an object.

a)

Friction

b)

Gravity

c)

Mass

57.

________ is a noncontact force that pulls on metal objects containing iron.

a)

Force

b)

Weight

c)

Magnetism

58.

_______ is a noncontact force that pulls objects toward Earth.

a)

Magnetism

b)

Gravity

c)

Friction

59.

Which of these animals is a MAMMAL?

a)

Bird

b)

Mouse

c)

Shark

d)

Frog

60.

Which of these animals is an AMPHIBIAN?

a)

Dog

b)

Frog

c)

Cat

d)

Spider

61.

Which of the following is the worlds largest living organism?

a)

Blue Whale

b)

Elephant

c)

Fungus - Armillaria ostoyae

d)

quaking aspen tree

62.

When last estimated, how many different species did Scientists estimate there are on Earth?

a)

1 million

b)

10 thousand

c)

8.7 million

d)

100 million

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