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Chapter 1 and Lab Safety

Total questions: 69

Worksheet time: 57mins

Name
Class
Date
1.

Variables that do not change in an experiment

a)

Constants

b)

Control

c)

Dependent

d)

Independent

2.

An educated guess that can be tested

a)

Scientific Law

b)

Scientific Theory

c)

Hypothesis

d)

Ethics

3.

Standard to which experimental results are compared

a)

Constants

b)

Control

c)

Dependent

d)

Independent

4.

Rule that describes the behavior of something in nature

a)

Scientific Law

b)

Scientific Theory

c)

Hypothesis

d)

Ethics

5.

Deals with moral values about what is good or bad

a)

Bias

b)

Ethics

c)

Technology

d)

Earth Science

6.

The use of knowledge to make products or tools for practical purposes

a)

Scientific Methods

b)

Ethics

c)

Technology

d)

Bias

7.

A slanted view or personal opinion

a)

Control

b)

Ethics

c)

Variable

d)

Bias

8.

An explanation backed by results from repeated testing

a)

Scientific Law

b)

Scientific Theory

c)

Hypothesis

d)

Ethics

9.

A variable that can change in an experiment. It is what you want to test.

a)

Constant

b)

Control

c)

Independent

d)

Dependent

10.

The study of Earth and space

a)

Earth Science

b)

Astrology

c)

Biology

d)

Meteorology

11.

The factors that can change in an experiment

a)

Constant

b)

Control

c)

Variables

d)

Hypothesis

12.

The variable that is being measured. How you know if your experiment is working or not.

a)

Constant

b)

Control

c)

Independent

d)

Dependent

13.

Problem solving by following steps to draw a conclusion

a)

Scientific Methods

b)

Ethics

c)

Technology

d)

Bias

14.
Which is NOT a step in the scientific method?
a)
Make observation
b)
Form a theory
c)
Collect data
d)
Form a hypothesis
15.

Which shows the correct steps of scientific method?

a)

problem, hypothesis, experiment, analyze, conclusion, communicate

b)

problem, conclusion, experiment, analyze, communicate hypothesis

c)

hypothesis, purpose, analyze, communicate, experiment, conclusion

d)

communicate, hypothesis, purpose, experiment, analyze conclusion

16.

Ethics deals with morals and values and can be measured and tested using the scientific method.

a)

True

b)

False

17.

Until proven incorrect, there are no "wrong" hypothesis.

a)

True

b)

False

18.

The more variables you can test in an experiment, the better the results.

a)

True

b)

False

19.

Earth science is the study of rocks and trees only

a)

True

b)

False

20.

Bias should never influence scientific results

a)

True

b)

False

21.

Which one of the following questions could NOT be answered using scientific methods

a)

Should lying be illiegal?

b)

Does sulfur effect the growth of grass?

c)

How do waves cause erosion?

d)

Does land heat up faster than water?

22.

Scientist should repeat an experiment several times before making conclusions. It is important for them to do this in order to . . .

a)

use all all their materials

b)

make sure they get the same results every time

c)

fill up a large data chart

d)

give everyone a chance to participate

23.

Scientist share their experiment, procedures and results with each other so that. . .

a)

they can be the first to discover something

b)

they can learn from each other and help each other

c)

they can get finished with their work faster

d)

no other scientist will do the same experiments they did

24.

When working with chemicals and burners, always wear. . .

a)

safety goggles

b)

lab apron or coat

c)

both goggles and lab apron/coat

d)

neither goggles or lab apron/coat

25.

What is the most important thing to do before starting a lab?

a)

Put on goggles

b)

pick up your lab materials

c)

Put on your lab coat/apron

d)

Read all the lab instructions

26.

To test the odor of fumes

a)

inhale the fumes directly from the container

b)

gently wave (waft) the fumes toward the nose

c)

heat the substance before smelling it

d)

take a deep breath and inhale

27.

Which of the following statements is correct? (Check all that apply)

a)

Never use cracked glassware

b)

Treat all chemicals as posionous

c)

Wash hand before and after lab experiments

d)

Return unused chemicals to their original container

28.

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

d)

Make your lab partner clean it up

29.
 The following footwear is best in the laboratory. 
a)
shoes appropriate for the weather
b)
open-toed shoes
c)
closed-toed shoes
d)
sandals
30.

When working in a laboratory, long hair should be

a)

held with both hands

b)

combed/brushed nicely

c)

cut off

d)

tied back and kept out of the way

31.

If acid gets on your skin or clothes, wash at once with

a)

water

b)

oil

c)

sulfuric acid

d)

soap

32.

Never heat a test tube

a)

over a flame

b)

in the lab

c)

that is closed/sealed

d)

pointed at anyone

33.

Early people relied upon what to explain things like storms, volcanoes, and seasons.

a)

Meteorology

b)

Mythology

c)

Observations

d)

Data

34.

This is the process of observing and studying the world

a)

Science

b)

Theories

c)

Meteorology

d)

Bias

35.

He proposed that comets were "dirty snowballs"

a)

Benjamin Franklin

b)

Fred Whipple

c)

Edmund Halley

d)

Albert Einstein

36.

He was the 1st American to suggest that weather could be predicted.

a)

Benjamin Franklin

b)

Fred Whipple

c)

Edmund Halley

d)

Albert Einstein

37.

This was probably the 1st weather instrument invented.

a)

anenometer

b)

barometer

c)

thermometer

d)

rain gauge

38.

Knowledge collected over time about weather has evolved into the science of . .

a)

Mythology

b)

Astronomy

c)

Astrology

d)

Meteorology

39.

In 1970, in the U.S., the Weather Bureau was renamed

a)

National Weather Service

b)

American Meteorological Society

c)

National Oceanic and Atmospheric Administration

d)

National Aeronautics and Space Agency

40.

This is the opposite of ethical behavior which could include such things as making up data, changing the results or taking the credit of others

a)

Cheating

b)

Fraud

c)

Bias

d)

Hoax

41.

Newton's observations about motion are now examples of scientific . . .

a)

laws

b)

theories

c)

hypothesis

d)

observations

42.

What does this symbol mean?

a)

Flammable

b)

Explosives

c)

Oxidising Agent

d)

Corrosive

43.

What does this Symbol means?

a)

Corrosive

b)

Irritant

c)

Poison

d)

Carcinogenic

44.

What does this symbol mean?

a)

Flammable

b)

Explosive

c)

Oxidising Agent

d)

Corrosive

45.

What does this symbol means?

a)

Toxic

b)

Carcinogenic

c)

Biohazard

d)

Radioactive

46.

What does this symbol means?

a)

Radioactive

b)

Carcinogenic

c)

Toxic

d)

Explosive

47.
What safety symbol is this? 
a)
biohazard
b)
radiation
c)
toxic
d)
corrosive
48.
Identify the piece of lab equipment seen in the image.
a)
Erlenmeyer Flask
b)
Graduated Cylinder
c)
Beaker
d)
Test Tube
49.
What is used to protect your eyes from chemicals, broken glass, and fire?
a)
Fire blanket
b)
Eye wash
c)
Goggles
d)
Flask
50.
This lab tool is used to pick up small objects.
a)
Microscope
b)
Forceps
c)
Erlenmeyer Flask
d)
Triple Beam Balance
51.
This lab tool is tall, skinny and used to measure smaller amounts of liquid. 
a)
Erlenmeyer Flask
b)
Beaker
c)
Graduated Cylinder
d)
Hand Lens
52.

What is this?

a)

glass triangle

b)

long stem funnel

c)

stirring rod

d)

watch glass

53.

What is used to hold test tubes?

a)

Test tube rack

b)

Test tube holder

c)

Ring stand

d)

Tongs

54.
Name the tool pictured
a)
scalpel
b)
Pipette
c)
Tweezer
d)
Forceps
55.
This item is used to simply hold or approximately measure a liquid.
a)
beaker
b)
flask
c)
graduated cylinder
d)
test tube
56.

These are used to hold liquids and dry materials.

a)

beakers

b)

test tubes

c)

graduated cylinders

d)

flasks

57.

Name this item.

a)

Test Tube

b)

Thermometer

c)

Graduated Cylinder

d)

Pipette

58.

Identify the equipment shown here:

a)

beaker holder

b)

test tube rack

c)

forceps

d)

test tube tongs

59.

Identify the equipment shown here:

a)

wire gauze

b)

watch glass

c)

pipe stem triangle

d)

mesh

60.

Identify the equipment shown here:

a)

test tube holder

b)

ring stand

c)

iron ring

d)

clamp stand

61.
Identify the equipment shown here:
a)
concave glass
b)
convex glass
c)
watch glass
d)
glass plate
62.

Identify the equipment shown here:

a)

crucible holder

b)

wire gauze

c)

pipe stem triangle

d)

test tube holder

63.
a)
metric ruler
b)
triple beam balance
c)
pan balance
d)
beaker
64.

What is used to pick up items?

a)

Clamps

b)

Tongs

c)

Hand lens

d)

Pipette

65.

What is used to measure force?

a)

Triple Beam Balance

b)

Electronic Scale

c)

Graduated Cylinder

d)

Spring Scale

66.

What is the name of this equipment?

a)

Wooden Corks

b)

Rubber Stoppers

c)

Tube Stoppers

d)

Bottle Stoppers

67.
Name this tool: 
a)
Microcope
b)
Hand Lens
c)
Balance
d)
Pipette
68.

What does this Symbol means?

a)

Corrosive

b)

Irritant

c)

Water reactive

d)

Carcinogenic

69.

This is used to clean test tubes

a)

test tube brush

b)

ruler

c)

forceps

d)

test tube

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