Working scientifically

Question 1

What are variables sometimes called

Answer 1

Factors

Question 2

What are variables

Answer 2

Things that can be changed in an investigation

Question 3

How many types of variables are there

Answer 3

3

Question 4

Name the types of variables

Answer 4

Independent variables, Dependent variables, Control variables

Question 5

What is an Independent variable

Answer 5

the thing that you will change in a methodical way during the investigation.

Question 6

Dependent variable

Answer 6

what will be measured to get the results. You expect it to be affected by (depend upon) what happens to the independent variable.

Question 7

Control variables

Answer 7

Everything else that can possibly change to affect your results

Question 8

What is a good investigation

Answer 8

is one which clearly says what 1) Independent variable 2) dependent variable is

Question 9

Good example of an investigation - “How does the area of the parachute affect the time it takes the parachute to fall?”

Answer 9

It is clear that you are going to try several different sizes (the independent variable) and measure the time taken to drop (the dependent variable).

Question 10

What happens to the height a squash ball bounces if we use different surfaces?

Answer 10

GOOD

Question 11

What is the best fabric for making a tent?

Answer 11

BAD

Question 12

How does the temperature of the room affect how quickly seeds will germinate?

Answer 12

Independent = Temperature
Dependent = Time take to germinate

Question 13

What happens to the distance travelled by a car if the height of the ramp is increased?

Answer 13

Independent = Height of ramp
Dependent = Distance travelled by car

Question 14

Does the size of a magnet affect how many paper clips it can pick up?

Answer 14

Independent = Size of magnet
Dependent = Number of clips picked up