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Science skills

Total questions: 142

Worksheet time: 4hrs 18mins

Name
Class
Date
1.

To make an orange ‘safety flame’ the air hole on a bunsen must be ___________.

a)

Open

b)

Closed

c)

Half-open

2.

What is the meaning of this hazard symbol?

a)

Corrosive

b)

Toxic

c)

Harmful

d)

Flammable

3.

Which of these hazard symbols mean flammable?

a)
b)
c)
d)
4.

What is the meaning of this hazard symbol?

a)

Corrosive

b)

Toxic

c)

Harmful

d)

Flammable

5.

Which of these hazard symbols mean oxidising agent?

a)
b)
c)
d)
6.

What is the meaning of this hazard symbol?

a)

Corrosive

b)

Toxic

c)

Harmful

d)

Radiation Hazard

7.

Which of these hazard symbols mean radiation hazard?

a)
b)
c)
d)
8.

Which of the following is NOT a Metric unit of measurement?

a)

meters

b)

grams

c)

miles

d)

liters

9.

What trait does this scientific tool measure?

a)

length

b)

mass

c)

volume

d)

temperature

10.

What unit of measurement is used to measure temperature in the Metric System.

a)

degrees Celsius

b)

milliliters

c)

degrees Fahrenheit

d)

grams

11.

What unit would you use to measure the distance between here and California?

a)

mm

b)

cm

c)

m

d)

km

12.

What trait of an object would you measure with these tools?

a)

temperature

b)

volume

c)

mass

d)

length

13.

Which would be the best Metric unit for measuring your mass.

a)

pounds

b)

grams

c)

kilograms

d)

tons

14.
Making a statement or a claim about what will happen in the future based on past experience or evidence.
a)
classifying
b)
observing
c)
predicting
15.
Using one or more of your senses to gather information.
a)
inferring
b)
classifying
c)
observing
16.
Grouping together items that are alike in some ways.
a)
quantitative observation
b)
evaluating
c)
classifying
17.
About how many male math teachers were there in 2006?
a)
15
b)
30
c)
35
d)
45
18.
Which sentence describes the relationship shown on this scatter plot?
a)
As the temperature decreases, the visitors increase. 
b)
As the temperature increases, the number of visitors increases. 
c)
As the visitors increase, the temperature decreases. 
d)
No correlation
19.
Which of the following lines represents the line of best fit for the scatter plot?
a)
A
b)
B
c)
C
d)
D
20.
Based on the graph, if Joe earned $400, how many hours did he work?
a)
25 hours
b)
35 hours
c)
45 hours
d)
15 hours
21.
The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many pages would be in a book with 19 chapters. 
a)
150 pages
b)
170 pages
c)
190 pages
d)
210 pages
22.

Which of these pieces of equipment is beaker?

a)
b)
c)
d)
23.

What is the name of this piece of equipment?

a)

Beaker

b)

Conical flask

c)

Measuring cylinder

d)

Evaporating Basin

24.

Which piece of equipment should you use to measure out liquids?

a)
b)
c)
d)
25.

What is the name of this piece of equipment?

a)

Heat proof mat

b)

Beaker stand

c)

Gauze

d)

Tripod

26.

Which of these should be used for stirring a solution?

a)
b)
c)
d)
e)

Any of these

27.

Which piece of equipment should be used to hold a hot test tube?

a)
b)
c)
d)
28.

Name this piece of equipment.

a)

tongs

b)

test tube holders

c)

forceps

d)

pincers

29.

I would like to measure 1cm3 of Hydrochloric acid, which piece of equipment should I use?

a)

Pasteur Pipette

b)

Measuring cylinder

c)

Beaker

d)

Spatula

30.

What is this piece of equipment called?

a)

Watch glass

b)

Crystal bowl

c)

Evaporating basin

d)

Condensing cup

31.

What colour is the flame of a Bunsen Burner with a closed air hole?

a)

Red

b)

Orange

c)

Green

d)

Blue

32.

I would like to heat a beaker of water over a Bunsen burner flame, I will need...

a)

A tripod, gauze and heatproof mat

b)

Retort stand, heatproof mat and clamp

c)

Nothing else, I'll hold the beaker in my hand.

d)

I can hold the beaker in the flame using tongs.

33.

When smelling a chemical, you should hold it away from your face and ____ the air toward your nose!

a)

waft

b)

drink

c)

clean

d)

fire

34.

You should report all _____ to your teacher!

a)

accidents

b)

goggles

c)

equipment

35.

Use ___ to protect your eyes in the science lab!

a)

goggles

b)

fire

c)

drink

d)

apron

36.

Mary picks up the broken pieces of a test tube. Is this safe or unsafe?

a)

Safe

b)

Unsafe

37.

Dan wants to see what happens when he adds baking soda to vinegar. He was not asked to do this. Is this safe or unsafe?

a)

Safe

b)

Unsafe

38.

What is this piece of equipment?

a)

graduated cylinder

b)

beaker

c)

erlenmeyer flask

d)

florence flask

39.

What is this piece of equipment?

a)

florence flask

b)

test tube

c)

beaker

d)

graduated cylinder

40.

What is this piece of equipment?

a)

googles

b)

goggles

c)

test tube

d)

beaker

41.

What is this piece of equipment?

a)

glass stirring rod

b)

evaporating dish

c)

mortar and pestle

d)

tweezers

42.

What is this piece of equipment?

a)

test tube

b)

tweezers

c)

thermometer

d)

florence flask

43.

What is this piece of equipment?

a)

clamp stand

b)

beaker

c)

test tube holder

d)

test tube rack

44.

What is this piece of equipment?

a)

thermometer

b)

glass stirring rod

c)

tweezers

d)

beaker

45.

What is this piece of equipment?

a)

test tube

b)

clamp stand

c)

tweezers

d)

tongs

46.

What is this piece of equipment?

a)

thermometer

b)

tweezers

c)

spatula

d)

goggles

47.

What is this piece of equipment?

a)

glass stirring rod

b)

test tube holder

c)

thermometer

d)

tweezers

48.

What is this piece of equipment?

a)

petri dish

b)

mortar and pestle

c)

evaporating dish

d)

florence flask

49.

What is this piece of equipment?

a)

clamp stand

b)

test tube holder

c)

thermometer

50.

What is this piece of equipment?

a)

petri dish

b)

glass stirring rod

c)

thermometer

d)

goggles

51.
What protects the eyes from flying objects or chemical splashes?
a)
lab apron
b)
balance
c)
eye dropper
d)
goggles
52.
What protects the scientist and the scientist's clothes from hazardous or hot chemicals?
a)
goggles
b)
eye dropper
c)
ring clamp
d)
lab coat/apron
53.
What is used to pick up or hold hot objects?
a)
striker
b)
ring clamp
c)
tongs
d)
lab stand
54.
What is a small glass container used to view chemical reactions or to heat small amounts of a substance?
a)
graduated cylinder
b)
test tube
c)
beaker
d)
Erlenmeyer flask
55.
What is a device used to measure the mass or "mass out" an object or substance?
a)
striker
b)
balance
c)
graduated cylinder
d)
lab stand
56.
What is used to pour liquids into containers with small openings or to hold filter paper?
a)
ring stand
b)
lab coat
c)
beaker
d)
funnel
57.
What is used to heat objects?
a)
striker
b)
balance
c)
bunsen burner
d)
test tube
58.
What is this?
a)
bunsen burner
b)
balance
c)
lab stand
d)
ring clamp
59.

What is a wooden stick with a straight edge that is used for measuring length and width?

a)

Ruler

b)

Meter Stick

c)

Measurer

d)

Wooden Stick

60.

What is a device used to measure temperature changes?

a)

Temperature

b)

Thermometer

c)

Weather

d)

Measurer

61.

What is a device that draws in liquid and releases it one drop at a time?

a)

Dropper

b)

Eye Dropper

c)

Pipette

d)

Pincher

62.

What tool is this??

a)

Stop Watch

b)

Go Watch

c)

No Watch

d)

Pocket Watch

63.

What tool is this??

a)

Telescope

b)

Hand Lens

c)

Magnifying Glass

d)

Microscope

64.

What tool is this??

a)

Bigger Maker

b)

Hand Lens

c)

Glass Circle

d)

Foot Lens

65.

What tool is this?

a)

Triple Beam Balance

b)

Weigher

c)

Digital Scale

d)

Mass Monster

66.

Measure short amounts of time accurately with a...

a)

Thermometer

b)

Clock

c)

Stop Watch

d)

Spring Scale

67.

Which of these would NOT make something look bigger?

a)

Microscope

b)

Bunsen Burner

c)

Magnifying Glass

68.

When you're not using a test tube you should just balance it on the desk or counter.

a)

True

b)

False

69.

Anomalous points on a graph do not follow the...

a)

line of best fit

b)

fashion

c)

hypothesis

d)

method

70.

Anomalous results can make the results...

a)

more reliable

b)

less reliable

c)

the same

d)

agree with the hypothesis

71.

Which of these is the odd result?

2, 1, 2, 4, 3, 11

a)

1

b)

2

c)

3

d)

11

72.

What does anomalous mean?

a)

odd

b)

mean

c)

normal

d)

biased

73.

Which of the following would be the best thing to do if an anomalous result is found?

a)

Ignore it completely

b)

Panic!

c)

Repeat the experiment

d)

Take the average

74.

After you have written your results into a table, what do you do next?

a)

Identify anomalous results

b)

Carry out a risk assessment

c)

Go home

d)

Do an evaluation

75.

Anomalous results are...

a)

crossed out

b)

always included in the calculation of the mean (average)

c)

excluded from the mean

d)

included in the mean sometimes

76.

Anomalous results can be caused by...

a)

using inaccurate measuring equipment

b)

rushing the experiment

c)

not repeating your measurements

d)

any of the above

77.
What is the mean?
a)
The number that occurs the most
b)
The number in the middle
c)
The difference between the highest and lowest values
d)
The Average
78.
To find the average of a set of numbers, add up all the items and divide by...
a)
2
b)
The minimum
c)
The maximum
d)
The number of items
79.
Find the mean of these numbers:
2, 57, 38, 42, 6
a)
29
b)
38
c)
50
d)
145
80.
Find the mean:
28, 18, 19, 18, 17
a)
20
b)
18
c)
11
d)
19
81.

Find the mean of the numbers below:


1, 8, 7, 5, 6, 4, 7, 6

a)

40

b)

5.5

c)

44

d)

5

e)

6.5

82.
At Dominique's Donuts the number of donut holes in a bag can vary. Help Dominique find the mode.
12,10,10,10,13,12,11,13,10
a)
13
b)
12
c)
11
d)
10
83.
What is the mode?
a)
# happening the most
b)
the average
c)
biggest - smallest
d)
the middle #
84.
Find the median of these numbers:
4,2,7,4,3
a)
2
b)
5
c)
7
d)
4
85.
In order to find the median, the data must be sorted from least to greatest first.
a)
True
b)
False
86.
What is the range?
a)
average
b)
biggest-smallest
c)
the middle #
d)
# happening the most
87.
Find the median.
12, 5, 9, 18, 22, 25, 5
a)
9
b)
8
c)
12
d)
18
88.
The number of miles that Jenna cycled each week for a 7-week period is shown: 
36, 42, 28, 52, 48, 36, 31 
What is the median number of miles Jenna cycled?
a)
24
b)
36
c)
39
d)
52
89.

The mode is the number ________________________.

a)

you see most

b)

you see least

c)

you don't see

d)

you see first

90.

What is the mode of this data set?

325, 400, 350, 400, 300, 250

a)

400

b)

300

c)

325

d)

250

91.

What is the RANGE of these numbers? 3, 7, 9, 10

(a)  

92.

What is the RANGE of these numbers:

22, 20, 23, 21, 23, 25, 22, 29

a)

5

b)

9

c)

2

d)

6

93.

The range is found by finding the _______________ number and subtracting the ________________ number.

a)

smallest, biggest

b)

even, odd

c)

biggest, smallest

d)

middle, first

94.
When finding the median, what do you do if there are two middle numbers?
a)
Add them together and divide by 2
b)
Write them both as the answer
c)
Give up
d)
Pick one
95.
Find the median:
3, 5, 7, 4, 3, 1
a)
3 and 4
b)
There isn't one
c)
3.5
d)
3
96.

What is another word for AVERAGE?

a)

Mode

b)

Median

c)

Mean

d)

Not nice

97.
What is the correct SI unit for mass?
a)
Kilograms
b)
newtons
c)
pounds
d)
grams
98.

The SI unit for time is the __?__.

a)

hours (h)

b)

liter (L)

c)

gram (g)

d)

second (s)

99.

What SI unit is used to measure length?

a)

meters

b)

liters

c)

centimeters

d)

kilograms

100.
This variable in an experiment is the one being deliberately changed by the scientist. 
a)
dependent variable
b)
independent variable
c)
data
d)
control group
101.
In a controlled experiment, how many independent variables can be worked with at a time? 
a)
one
b)
none
c)
two or more
d)
how ever many makes sense.
102.

What is the proper SI unit for volume?

a)

cm3

b)

m

c)

g

d)

L

103.
The variable the is changed on purpose is..
a)
Constant
b)
Control
c)
Independent Variable
d)
Dependent Variable
104.
The variable that is being tested, counted, or measured and is responding to the independent variable is known as 
a)
Control
b)
Constant
c)
Independent Variable
d)
Dependent Variable
105.
  Pick the control from the following variables..
vanilla ice cream
vanilla ice cream with sprinkles
vanilla ice cream with hot fudge & caramel
a)
Vanilla ice cream
b)
vanilla ice cream with sprinkles
c)
vanilla ice cream with hot fudge & caramel
d)
I like it all
106.
Mrs. Goodwyn wants to see if studying time affects test scores...She gives all 6 classes the same assignment but assigns different study times. What is the independent variable?
a)
Study time
b)
Test score
c)
Same assignment
107.
Mrs. Goodwyn wants to see if studying time affects test scores...She gives all 6 classes the same assignment but assigns different study times. What is the dependent variable?
a)
Study  time
b)
Test Score
c)
Same Assignment
108.
A student wants to test the hypothesis of "If salt is added to water then the boiling point of water will decrease." What is the independent variable?
a)
Amount of salt
b)
Boiling Point
c)
Amount of water
109.
A student wants to test the hypothesis of "If salt is added to water then the boiling point of water will decrease." What is the dependent variable?
a)
amount of salt
b)
boiling point
c)
same amount of water
110.
A researcher did an investigation to see if corn seeds would sprout at different times depending on the temperature of the water in which they were placed.  What is the independent variable?
a)
How long to sprout
b)
type of seed used
c)
water temperature
d)
how much water used
111.
A study was done to see if different tire treads affect the braking distance of a car.
What is the dependent variable?
a)
Tire treads
b)
Braking distance
c)
Road conditions
d)
Model of car
112.
The higher the temperature in an oven, the faster a cake will bake.
What is the independent variable?
a)
Cake flavor
b)
Temperature
c)
Time
d)
Type of oven
113.
I believe the number of lemons produced by a lemon tree increases when the tree receives more water.
This statement is 
a)
A hypothesis
b)
A law
c)
A variable
d)
A conclusion
114.

Identify the INDEPENDENT VARIABLE: You experiment to see if a bouncy ball or a tennis ball bounces higher.

a)

Type of ball

b)

Same drop height

c)

Height of bounce

d)

Same surface

115.

What you measure or observe in an experiment.

a)

constant variable

b)

controlled variable

c)

dependent variable

d)

independent variable

116.

The ONE thing you change in an experiment.

a)

constant variable

b)

controlled variable

c)

dependent variable

d)

independent variable

117.

All the things that have to stay the same in an experiment (except for the one thing you change).

a)

The thing

b)

control variable

c)

dependent variable

d)

independent variable

118.
Which part of the Bunsen flame is the hottest?
a)
A
b)
B
c)
C
d)
D
119.
When should you tie back long hair or baggy clothing?
a)
When working with chemicals
b)
When working with a Bunsen burner
c)
When doing dissections.
d)
Any time you are working in the lab.
120.
If you break glassware in the lab, you should...
a)
Tell the teacher
b)
Clean it up quickly before the teacher notices
c)
Scream at the top of your lungs
121.
Using one or more of your senses to gather information is called
a)
observing
b)
inferrring
c)
predicting
d)
classifying
122.

Air hole closed means __________ safety flame and air hole open means _________ heating flame.

a)

Yellow, blue

b)

Blue, yellow

c)

Blue, orange

d)

Yellow, green

123.

During an experiment, a bunsen burner is placed on:

a)

Gauze mat

b)

The laboratory bench

c)

A heatproof mat

d)

Tripod

124.

Control variables

a)

must be kept the same so as to make the experiment fair

b)

can be many in an experiment

c)

affect the dependent variable

d)

are all red in color

125.

An excellent hypothesis

a)

is what you think will happen in an experiment because of a sensible scientific reason

b)

is served hot on a silver plate

c)

has got a large nose and very small ears

d)

is only found in nightmares

126.
According to this graph, what is the most popular flavor of Jolly Rancher?
a)
Cherry
b)
Grape 
c)
Blue Rasberry
d)
Watermelon
127.
What type of graph is this?
a)
Bar Graph
b)
Line Plot
c)
Pictograph
d)
Tally Chart
128.
How many students have blue for a favorite color?
a)
11
b)
12
c)
14
d)
17
129.
How many more people have purple for a favorite color than red?
a)
3
b)
5
c)
7
d)
9
130.

Which superhero is the most popular among fans?

a)

Hulk

b)

Batgirl

c)

Storm

d)

Thor

131.
What is this graph showing you?
a)
The worlds population is staying the same.
b)
The worlds population is going down (decreasing).
c)
The worlds population was growing but now is decreasing.
d)
The worlds population has been growing and will continue to grow. 
132.
In what year did the world population reach 3 billion people?
a)
1970
b)
1950
c)
1960
d)
1990
133.

Between Wednesday and Thursday, cookie sales ______________________.

a)

decline

b)

drop

c)

fall

d)

decreased

134.

Between Monday and Tuesday, the temperature ______________________.

a)

dropped

b)

decline

c)

decrease

d)

increased

135.

The scatter graph shows the relationship between the age of a car and its value.


Describe the correlation shown on the diagram

a)

Positive

b)

Negative

c)

No Correlation

136.

The scatter graph shows the relationship between the height and arm span of some students.


Describe the correlation shown on the diagram

a)

Positive

b)

Negative

c)

No Correlation

137.

The scatter graph shows the relationship between two test scores of some students.


Describe the correlation shown on the diagram

a)

Positive

b)

Negative

c)

No Correlation

138.

The scatter graph shows the relationship between the amount of rainfall and the number of umbrellas sold each day.


Describe the correlation shown on the diagram

a)

Positive

b)

Negative

c)

No Correlation

139.

The chart shows the cost and length of some plumbing jobs. Estimate the cost of a job lasting 3.5 hours.

a)

£160

b)

£180

c)

£200

d)

£220

140.

Which graph has a negative correlation?

a)
b)
c)
d)
141.

Which graphs have a positive correlation?

a)
b)
c)
d)
142.

Which line best fits the scattered plot?

a)
b)
c)
d)

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