Variables
Sig Figs
Scientific Method
Measurements
Hypothesis
100

What are the two types of variables stated in a hypothesis?

What is an INDEPENDENT AND DEPENDENT VARIABLE?

100

how many sig figs 2.01+2


7,500,000,001

what is 4


10

100

You watch an apple fall from a tree 

what step of the scientific method is this

observation

100
This is the basic unit for length in the metric system.
What is the meter?
100

Make this a hypothesis


increase the amount of milk you drink, will increase the strength of your bones.

If you increase the amount of milk you drink, then you will increase the strength of your bones.

200

Q. 


Julie wants to know the effect of studying 10 minutes extra each day on her Math. What is the independent variable?


studying

200

how many sig figs is 12.0000


how many is 45.8

6


3

200
An educated guess or prediction for what might happen in an experiment.
What is a HYPOTHESIS?
200
This is the basic unit for volume.
What is the liter?
200

Make this a hypothesis


"Students who eat breakfast will perform better on a math exam than students who do not eat breakfast."

"If Students eat breakfast then they will perform better on a math exam"

300

What is the responding variable or factor that may or may not change due to manipulation?

What is a DEPENDENT VARIABLE?

300

How many sig figs 0.0000000010


how many is 458.00000

what is 2


what is 8 

300
  • 11. 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 independent variable is

A) the temperature
B) the gender of the alligator
C) the incubator
D) the male alligators

A) temperature

300

what is the SI uni for temperature

Kelvin

300

Evan's nightly chores include washing dishes. His mother cooks everything she prepares a bit too long. Because of this, Evan spends a lot of sweat, effort, and time washing dishes. He sees a commercial on television that claims a new dishwashing detergent, called Brand X, cuts through grease better than its competitor, called Brand Y. They back up their claim with testimonials from people who say they've used this new detergent.



Create a hypothesis,

what is the  IV, and DV

If Evan uses Brand X then it will cut grease beter

IV: brand name

DV: number of grease stains, effort in cleaning, amount of issues used

400
Something that stays the same to keep an experiment fair.
What is a CONSTANT?
400

how many sig figs 50.00/ 25.0


how many sig figs 15.4 x 20

what is 2.00


what is 30

400

Putting my plant in the closet will decrease it's chance of living. What is wrong with this hypothesis?

What is... it is missing "If" and "Then"

400
A measure of how much 3D space an object takes up.
What is volume?
400

What is the IV AND DV


If you increase the amount of blood in the water, then you will increase the number of sharks in the area.

IV: amount of blood

DV: number of sharks

500

which variable goes on the x axis

What is independent variable?

500

sig figs 5.87149+8.2486147893545

What is 14.12010?

500

what is the first 6 steps of the scientific method

What is Question, Hypothesis, Experiment, Observe and Record, Analyze Results, Share Results.

500
The amount of matter in an object.
What is mass?
500

What is the IV, DV, and make a hypothesis


Mr. Eary wanted to see how different types of music affected students' pulse rates. He played different types of music: heavy metal, rap, R&B, alternative, pop, country, and classical music.

IV: type of music

DV: pulse/heart rate


If Mr. Eary plays (heavy metal/rap/ R&B/ alternative/ pop/ country/OR classical music) Pick one

then the students will have he highest pulse

M
e
n
u