Working In The Labortory

Question 1

What is the Bunsen burner used for

Answer 1

It is used to heat

Question 2

What is the measuring cylinder used for

Answer 2

Used to measure specific and and accurate amounts of liquid

Question 3

What is the evaporating dish used for

Answer 3

Used to remove water from a solution by heating over Bunsen burner

Question 4

What is the test tube used for

Answer 4

Used to mix or hold small amounts of liquid and other substances in an experiment

Question 5

What is the boiling tube used for

Answer 5

Used to heat small amounts of liquid or substances in the Bunsen burner flame

Question 6

What is the beaker used for

Answer 6

This is used to heat liquids in and to combine substances during an experiment

Question 7

What is the dropper used for

Answer 7

Used to collect and dispense small amounts of liquid

Question 8

What is the Conical flask used for

Answer 8

Used to mix substances together

Question 9

What is the test tube holder used for

Answer 9

Used to safely hold multiple test tubes

Question 10

What is the gauze mat used for

Answer 10

This sits on the tripod and helps the transfer of heat evenly onto the glassware

Question 11

What is the funnel used for

Answer 11

Used to transfer liquid into vessels that have small openings

Question 12

What is the stirring rod used for

Answer 12

Used to swirl liquids together in experiments to mix them

Question 13

What is the tongs used for

Answer 13

Used to pick up and hold substances such as metal in a flame

Question 14

What is the tripod used for

Answer 14

Used to support glassware above the Bunsen burner

Question 15

What is the tripod used for

Answer 15

Used to support glassware above the Bunsen burner

Question 16

Name the parts of the Bunsen burner

Answer 16

Flame, Air hole, rubber tubing, base, collar, barrel

Question 17

What is an independent variable?

Answer 17

The variable that is changed. The independent variable needs a range of at least 5 values

Question 18

What is a dependent variable

Answer 18

The variable that is measured. The dependent variable always needs a unit of measurement eg centimetres, seconds

Question 19

What is a control variable

Answer 19

It’s a variable that stays the same. The control variables ensure the test is fair, and that change measured in the dependent variable can only be due to a change in the independent variable and not because of some other factors

Question 20

What is the CUTGLASS rule?

Answer 20

Crosses for each data point
Units on each axis
Title (y-axis and x-axis)
Line of best fit
Axis labels
Scale
Size

Question 21

How do you properly draw a scientific drawing

Answer 21

Sharp pencil, 2-dimensional, clean lines, no shading, clear labels, ruled straight lines.