Introduction to Science

Question 1

When lighting a Bunsen burner, which position should my air hole be in?

Answer 1

Closed

Question 2

If my Bunsen burner air hole is closed what kind of flame will I have?

Answer 2

Safety flame

Question 3

If my Bunsen burner air hole is open what kind of flame will I have?

Answer 3

Roaring

Question 4

If my Bunsen burner air hole is half-open, half-closed what kind of flame will I have?

Answer 4

Normal blue

Question 5

For heating solids, which Bunsen burner flame should I use?

Answer 5

Roaring

Question 6

For gently heating, which Bunsen burner flame should I use?

Answer 6

Normal blue

Question 7

Why should you not heat things using the safety flame?

Answer 7

They become sooty (carbon deposits)

Question 8

The variable we change is known as….

Answer 8

Independent variable

Question 9

Which axis on a graph is the independent variable normally plotted on?

Answer 9

X-axis

Question 10

The variable we measure is known as…

Answer 10

Dependent variable

Question 11

What kind of numeric data can only have certain values e.g. shoe size?

Answer 11

Discrete data

Question 12

What kind of data is numeric and can have any value within a range e.g. height?

Answer 12

Continuous data

Question 13

What kind of data could be a word rather than numeric value?

Answer 13

Categoric data

Question 14

True/False - a line of best fit must be a straight line?

Answer 14

False - the shape depends on the relationship between variables.

Question 15

True/False - a line of best fit should go from point to point

Answer 15

False - the line should be smooth. It should go through as many points as possible. There should be an equal number of points above and below the line.

Question 16

Draw a beaker

Answer 16

Question 17

Draw a measuring cylinder

Answer 17

Question 18

Draw a tripod

Answer 18

Question 19

Draw a test tube

Answer 19

Question 20

Draw a filter funnel with filter paper

Answer 20