Experiments
Independent Variables
Dependent Variables
Controls
Miscellany
100
The one and only variable that is purposely changed in an experiment.
What is Independent Variable
100
Jackson designed an experiment to test which brand of paper towel absorbs the most water.
What is Brand of paper towel
100
Harry performed an investigation to find out how temperature affects crystal growth.
What is Crystal Growth
100
Chris performed designed an experiment to find out if fig trees preferred sunlight or shaded areas to grow.
Same type of trees, Same soil, Same amount of water
100

Science is the study of the natural world through 

What is observation and experimentation

200
The variable that is observed or measured in an experiment.
What is Dependent Variable
200
Jamie performed an investigation to find out if hot, cold, or room temperature water is better for growing tomato plants.
What is Temperature of Water
200
Donna performed an investigation to find out if a heavier or lighter ball would roll down a ramp faster.
What is Speed of Ball
200
Greg performed an investigation to find out which color of bird feeders humming birds prefer.
Same locations of bird feeders, Same food in bird feeders, Same type of bird feeders
200

Patterns in data can serve as (blank) to support a claim

What is evidence 

300
Testable answer to a question...
What is Hypothesis?
300
Harry performed an investigation to find out how temperature affects crystal growth.
What is Different Temperatures
300
Jenny designed an experiment to find out which color absorbed the most heat.
What is Amount of Heat Absorbed
300
Trevor performed an investigation to find out if soaking bean seeds would make the seeds sprout more quickly.
Same type of seeds, Same amount of water, Same temperature of water
300

An educated guess or prediction

What is a hypothesis

400
A pattern or relationship that has been established based on a large amount of experimental data
What is THEORY
400
Wilber performed an investigation to find out if bigger or smaller parachutes created more drag.
What is Size of Parachutes
400
Peter wondered if cooler temperatures would impact how quickly Venus Flytraps closed.
What is Speed of Venus Flytraps Closing
400
Ramie performed an investigation to find out how pitch varied when he tapped bottles filled with different amounts of water.
Same size and shape of bottles, Same object used to tap bottles, Same force to tap bottles
400

The difference between a law and a theory?

Law = what will happen

Theory = why it happens

500
The process of obtaining information by using the senses i
What is OBSERVATION
500
Peter wondered how the period of a pendulum was dependent upon string length.
What is Different String Lengths
500
Levi designed an experiment to test if yawning is contagious.
What is Amount of Yawns
500
Trevor designed an experiment to find out which model bridge design can hold the most weight
Same materials to make model bridges, Same size of model bridges, same weight increments
500
Does a persons heart rate influence how long they will live?


Identify the IV & DV and what is the hypothesis

IV - heart rate

DV - life span 

Hypothesis- If a person has a consistently low heart rate, then they will live a longer life because they have a low heart rate.

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