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Intro to Science

Total questions: 42

Worksheet time: 1hrs 16mins

Name
Class
Date
1.

What is an element?

a)

Two or more atoms joined together.

b)

One type of atoms

c)

Two or more different elements joined together.

d)

A particle with no charge found in the nucleus of an atom

2.

What is a molecule?

a)

two elements bonded together

b)

a mixture of different substances

c)

smallest individual particles

d)

salt mixed in water

3.

What is a compound?

a)

Two or more different elements bonded together.

b)

Two of the same elements bonded together.

c)

A mixture of different substances.

d)

Two substances stuck together with glue

4.

What two subatomic particles are found in the nucleus?

a)

proton and electron

b)

electron and neutron

c)

neutron and proton

d)

neutron and electron

5.

What is the proton?

a)

a negatively charged particle that orbits the nucleus

b)

a neutral particle found in the nucleus

c)

a positively charged particle found in the nucleus

d)

a neutral particle that orbits the nucleus

6.

What is the electron?

a)

a negatively charged particle that orbits the nucleus

b)

a neutral particle found in the nucleus

c)

a positively charged particle found in the nucleus

d)

a neutral particle that orbits the nucleus

7.

What is the chemical symbol of the element Hydrogen?

a)

Hy

b)

H

c)

Hydro

d)

Hg

8.

Which of the following is a chemical formula?

a)

H2SO4

b)

Si

c)

Hg

d)

C

9.

What is the picture displayed?

a)

Atom

b)

Element

c)

Molecule

d)

Compound

10.

What do we call a chemical substance made up of 2 or more different types atoms bonded together?

a)

formula

b)

atom

c)

subscript

d)

compound

11.

Hydrogen is a pure substance represented by the chemical symbol H. Which of the following best describes hydrogen?

a)

Hydrogen is an element made of two or more kinds of

b)

Hydrogen is a compound made of only one kind of atom.

c)

Hydrogen is a compound made of two or more kinds of atoms.

d)

Hydrogen is an element made of only one kind of atom.

12.
A series of steps used by scientists to solve a problem or answer a question. 
a)
scientific method
b)
recipe
c)
data collection
d)
metric system
13.
Which is NOT a step in the scientific method?
a)
Make observation
b)
Form a theory
c)
Collect data
d)
Form a hypothesis
14.
A testable explanation to a problem that has not yet been tested. 
a)
data
b)
theory
c)
hypothesis
d)
fact
15.
Testing a hypothesis often involves a(n):
a)
answer
b)
experiment
c)
problem
d)
safety check
16.
This variable in an experiment is the one being changed by the scientist. 
a)
dependent variable
b)
independent variable
c)
data
d)
control group
17.
The name of the information that you get from your experiment (you organize it into charts and graphs).
a)
observations
conclusion
b)
data
c)
variables
d)
hypothesis
18.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...
a)
The type of plant
b)
The amount of sunlight
c)
The type of music
d)
The type of liquid
19.
Dependent variable means
a)
the scientist controls what to test
b)
educated guess
c)
ask a question
d)
what is being measured
20.
Will a construction paper air plane fly faster than an airplane made from notebook paper? Choose the best hypothesis.
a)
If I make a paper airplane from notebook paper, then it will fly faster than construction paper.
b)
Yes.
c)
No.
d)
I think the construction paper air plane will fly faster.
21.
If I read this question carefully, then I will answer it correctly. What is the independent variable?
a)
I hope so
b)
Yes
c)
Reading or not reading carefully
d)
Likelihood of a correct answer
22.
If I study for my scientific method test, then I will have a better test score. What is the dependent variable?
a)
Scientific Method
b)
Studying
c)
Independent variable
d)
Test score
23.
In a controlled experiment, how many variables can be worked with at a time? 
a)
one
b)
none
c)
two or more
d)
how ever many makes sense.
24.

bio-

a)

life

b)

meat, flesh

c)

breaking down

d)

head

25.

chlor-

a)

cell

b)

green

c)

removal of

d)

color

26.

Prefix: cyto-

Suffix: -cyte

a)

cell

b)

green

c)

removal of

d)

color

27.

di-

a)

tumor or swelling

b)

two

c)

horn

d)

through

28.

endo-

a)

away from

b)

inside

c)

outside

d)

two

29.

ecto-

a)

away from

b)

inside

c)

outside

d)

two

30.

exo-

a)

beyond, outside

b)

outer

c)

thousand

31.

kilo-

a)

beyond, outside

b)

outer

c)

thousand

32.

What is the symbol for the prefix kilo-?

a)

L

b)

m

c)

k

d)

kg

33.

When measuring the volume of soda in a large bottle, what unit of measure should be used?

a)

L

b)

mL

c)

kL

d)

Gallons

34.

The mass of an elephant is best shown using which unit?

a)

g

b)

mg

c)

hg

d)

kg

35.

Which options shows the correct conversion between grams and milligrams?

a)

85g = 8500mg

b)

85g = 8.5mg

c)

85g = .85mg

d)

85g = 85000mg

36.

400 grams =____kilograms

a)

0.4kg

b)

4kg

c)

40kg

d)

40,000kg

37.
Convert 17 m to cm:
a)
0.17 cm
b)
0.017 cm
c)
1,700 cm
d)
170 cm
38.

240 cm = ___________ m

a)

2400 m

b)

24 m

c)

2.4 m

d)

0.24 m

39.

2804 mg = ___________ g

a)

0.2804 g

b)

2.804 g

c)

28.04 g

d)

280.4 g

40.
Is 20 g greater than, less than, or equal to 2 kg?
a)
greater than
b)
less than
c)
equal to
41.

500 mm = ________ dam

a)

5 dam

b)

0.05 dam

c)

5,000,000 dam

d)

0.5000 dam

42.

6 cm =______mm

a)

0.6 mm

b)

6 mm

c)

60 mm

d)

600 mm

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