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Unit 1 Section 1 and 2

Total questions: 35

Worksheet time: 58mins

Name
Class
Date
1.
The mass of an object ___________________________.
a)
changes, depending on where it is located
b)
changes randomly
c)
changes, depending on temperature
d)
does not change
2.
Suppose an astronaut were to visit a planet where the gravity is half that of Earth.  His MASS on that planet would be ______________.
a)
half his Earth mass
b)
the same as his Earth mass
c)
twice his Earth mass
d)
zero
3.

______ is the gravitational force exerted on an object

a)

Mass

b)

Gravity

c)

Force

d)

Weight

4.

Match the following

a)

length

1.

meter

b)

mass

2.

kilogram

c)

volume

3.

m^3

d)

temperature

4.

kelvin

5.

Which SI unit is used to measure time?

a)

K

b)

s

c)

mol

d)

N

6.

Which SI unit is used to measure temperature?

a)

K

b)

s

c)

mol

d)

N

7.

Which SI unit is used to measure length?

a)

mol

b)

m

c)

kg

d)

m2

8.

1 meter = (a)   centimeters

9.

1 kilograms = (a)   grams

10.

1.5 m = _____________ mm

a)

0.0015

b)

0.015

c)

150

d)

1,500

11.
Which unit is the smallest?  
a)
km
b)
mm
c)
m
d)
cm 
12.
2 kilometer = ___ meters
a)
1 meters
b)
1,000 meters
c)
2,000 meters
d)
200 meters
13.
42 L = ___mL
a)
4,200
b)
.0042
c)
4.20
d)
42,000
14.
What did I measure if I record that something was 25 kg?
a)
Volume
b)
Mass
c)
Distance
d)
Time
15.
What did I measure if I record that something was 56 mL?
a)
Volume
b)
Mass
c)
Time
d)
Distance
16.
A testable prediction about a scientific investigation is a(n)
a)
Question
b)
Observation
c)
Hypothesis
d)
Experiment
17.
Information you obtain through your senses, such as touch, sound and sight.
a)
observation
b)
hypothesis
c)
question
d)
conclusion
18.

What is an dependent variable?

a)

What a scientist changes in an experiment to test their hypothesis

b)

What scientist measure to see if it responded to a change

c)

What happens when you do an experiment

d)

What you keep the same throughout all experimental groups

19.

The candy was sour.

a)

Qualitative

b)

Quantitative

20.

The bug was 5cm long.

a)

Qualitative

b)

Quantitative

21.

The clouds are grey and ground is wet.

a)

qualitative

b)

quantitative

22.
Steve wanted to see if the type of fertilizer made sunflowers grow larger. What is the independent variable 
a)
Type of fertilizer
b)
Size of sunflower
c)
type of sun flower
23.
Molly investigated if the age of students caused them to be better drivers. What is the dependent variable?
a)
Type of car
b)
Skill of driving
c)
Age of student
24.

4,540.0 cm = ____ mm

a)

45,400.0

b)

0.454

c)

45.40

d)

454.0

e)

4.540

25.

11.0 mm = ____ m

a)

110.0

b)

0.110

c)

11.0

d)

1.10

e)

0.011

26.

How many hours are in a fortnight (2 weeks)?

1 week = 7 days; 1 day = 24 hours [Note: do not round answer]

a)

672 hours

b)

168 hours

c)

336 hours

d)

504 hours

27.
You know that 12 inches = 1 foot.  Convert 60 inches to feet.
a)
720 feet
b)
5 feet
c)
5 inches
d)
72 feet
28.

How many inches are in 1 mile? (5280ft = 1mi; 12in = 1ft)

a)

66330in

b)

63360in

c)

63660in

d)

63066in

29.

How many kilograms of calcium are there in 173 pounds of calcium? (1 pound = 454 grams; 1 kg = 1000 g)

a)

1.10 kg

b)

78.5 kg

c)

110 kg

d)

78500 kg

30.

Which conversion fraction would be needed?

a)
b)
31.

Which conversion factor would be needed?

a)
b)
c)
d)
32.

Which conversion factor would be needed?

a)
b)
c)
d)
33.
You know 1000 mg = 1 g.  Convert 2.5 grams into milligrams.
a)
25 mg
b)
25,000 mg
c)
250 mg
d)
2500 mg
34.

How many yards are in 1 mile? (3 ft = 1 yd) (5280 ft = 1 mi)

a)

1670yds

b)

5280yd

c)

1760yds

d)

5820yds

35.

The Olympic record for the high jump is just over 2.6 yards. What is that distance in feet? (3 ft = 1 yd)

a)

0.867 ft

b)

7.8 ft

c)

8.07 ft

d)

8.27 ft