Introduction to Science Flashcards

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1
Q

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

A

Closed

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2
Q

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

A

Safety flame

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3
Q

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

A

Roaring

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4
Q

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

A

Normal blue

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5
Q

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

A

Roaring

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6
Q

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

A

Normal blue

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7
Q

Why should you not heat things using the safety flame?

A

They become sooty (carbon deposits)

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8
Q

The variable we change is known as….

A

Independent variable

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9
Q

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

A

X-axis

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10
Q

The variable we measure is known as…

A

Dependent variable

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11
Q

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

A

Discrete data

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12
Q

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

A

Continuous data

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13
Q

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

A

Categoric data

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14
Q

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

A

False - the shape depends on the relationship between variables.

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15
Q

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

A

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.

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16
Q

Draw a beaker

A
17
Q

Draw a measuring cylinder

A
18
Q

Draw a tripod

A
19
Q

Draw a test tube

A
20
Q

Draw a filter funnel with filter paper

A