General Biology.

Question 1

What is the formula for working out magnification?

Answer 1

magnification = image size ÷ actual size.

Question 2

What is the formula for working out actual size?

Answer 2

actual size = image size ÷ magnification.

Question 3

What is the formula for working out image size?

Answer 3

image size = actual size × magnification.

Question 4

How many micrometers are in the following:

• 1 centimeter =
• 1 millimeter =

Answer 4

• 1 centimeter = 10 000 μm.

- 1 millimeter = 1000 μm.

Question 5

What us the scientific method/how do you conduct an experiment?

Answer 5

SIM CARD is the acronym:
Safety.
Independent variable - the factors or conditions that you manipulate in an experiment.
Method.
Controlled variable - anything that is held constant in an experiment.
Accurate Apparatus.
Repeat for reliability - calculate the mean of the results and exclude any anomalies.
Dependent variable - what changes as a result of the independent variable manipulation in experiments.