Unit 1: Stem skills, Careers And Connections

Question 1

Beaker

Answer 1

Holds liquids. Ex. Holds 50ml of boiled water

Question 2

Erlenmeyer Flask

Answer 2

Holds and stores chemical solutions

Question 3

Graduated cylinder

Answer 3

Measuring exactly 43 ml of water

Question 4

Beaker tongs

Answer 4

Holding hot beakers and objects

Question 5

Fonnel

Answer 5

Pouring 50ml of acid from one container to another

Question 6

Ring clamp

Answer 6

Suspending glassware over a bunsen burner

Question 7

Bunsen burner

Answer 7

Heating using an open flame

Question 8

Crucible tongs

Answer 8

Holds hot crucibles or other objects
E. Melting a crystal over a bunsen burner

Question 9

Crucible

Answer 9

Melts substances

Question 10

Flint striker

Answer 10

Lighting a bunsen burner

Question 11

Test tube holder

Answer 11

Safely hold/carry a hot test tube

Question 12

Test tubes

Answer 12

Holding, reacting, or heating small amounts of a substance

Question 13

Test tube rack

Answer 13

Safely hold test tubes

Question 14

Retort stand

Answer 14

Attaching clamps and rings for suspending glassware over a bunsen burner

Question 15

Hot plate

Answer 15

Heating substances slowly under controlled conditions

Question 16

Mortar and pestle

Answer 16

Grinding solids into powder

Question 17

Scoopula

Answer 17

Removing chemical solids from a bottle

Question 18

Dropper

Answer 18

Dispensing drops of liquid

Question 19

Watch glass

Answer 19

To hold solids/liquids while being weighed, for heating, and to cover a beaker

Question 20

Glass stirring rod

Answer 20

Mixes liquids or solids

Question 21

Scale

Answer 21

Weighing out solids or liquids

Question 22

WHIMIS

Answer 22

Workplace Hazardous Materials Information System

Question 23

GHS

Answer 23

Globally Harmonized System
-defines and classifies the hazards of chemical products

Question 24

MSDS

Answer 24

Materials Safety Data Sheet
-Provides detailed info on a product, including handling,storage, precautions,Personal protective equipment, and what you can do incase of a spill

Question 25

Personal Protective equipment

Answer 25

When working with hazardous materials, you must (by law) wear the appropriate gear

Question 26

Hazardous Household Product Symbols

Answer 26

-Different than WHIMIS symbols but server similar purposes -Meant for products used at home

Question 27

Fire safety classes

Answer 27

Class A: Fires involving ordinary materials (paper, cardboard, wood) Class B: Fires involving flammable or combustile liquids (gasoline, kerosene) Class C: Fires involving energized electrical equipment (hot plates, power tools) Class D: Fires involving combustible materials (magnesium, potassium)

Question 28

Electronic Balance

Answer 28

-Used to determine the mass of an object -Smallest increment it can measure is 0.01 g -The tare button is used to not detect the weight of a plate

Question 29

Scientific method

Answer 29

A process of gaining knowledge through observation, experimentation, and analysis

Question 30

Independent variable

Answer 30

-What the experimenter changes during an experiment

Question 31

Dependent variable

Answer 31

What the experimenter measures

Question 32

Constants

Answer 32

Variables that are kept the same during the experiment (more than one)

Question 33

Control

Answer 33

Values the Dependent variable is compared against to see if Independent variable has an affect