AP Biology Experimental Design

If plants receive more water, the number of leaves will increase. 
This is an example of 

• Testable Question

• Hypothesis

• Variables

• None of the above

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

You will want your experiment to have ____ independent variable(s) in it for the experiment to be valid.

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS2-2

A scientist hypothesizes the the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The dependent variable is

• the size of the baby alligators

• the gender of the baby alligators

• the incubator

• the temperature

Tags

NGSS.MS-LS1-5

In this graph, what is the independent variable? 

• Population

• Day

• Species 5

Tags

NGSS.MS-LS2-1

What are the number of times each level of the independent variable is tested?

• constants

• control

• trials

• dependent variable

Tags

NGSS.MS-PS2-2

Does the size of deer effect the size of its heart?
What is the IV?

• Size of Deer

• Gender of Deer

• Size of its heart

• Age of deer, gender, and height

The variable the is changed on purpose is..

• Constant

• Control

• Independent Variable

• Dependent Variable

What is the DEPENDENT variable (effect) in this experiment?

• eating breakfast or not

• the grade you got on the test

• what time you get up in the morning

• what you eat for breakfast

What is the INDEPENDENT variable (cause)in this experiment?
"Which type of metal, copper or aluminum, conducts heat faster?" 

• size of metal

• types of metal

• time it takes to heat up

• shape of the metal

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

What is the INDEPENDENT variable (cause) in this experiment?
"Will fish school more if a predator is present?" 

• whether there is a predator or not

• number of fish school together

• type of predator

• type of fish

Tags

NGSS.MS-LS2-4