Identifying Variables
Khaleesi wants to see if eating candy when she studies each night will affect her grade in science
Independent Variable: Eating candy while studying
Dependent Variable: grade in science
Constants/Controlled Variable: studying each night
New York is also known as the big ________
The big apple
Energy that can be found in moving parts
Mechanical Energy (kinetic energy)
Coran wondered if his microwave could boil water faster than his stove.
Independent Variable: using a microwave to boil water`
Dependent Variable: amount of time it takes the water to boil
Constants/Controlled Variable: boiling plain water instead of two different liquids
Who is the current Mayor of New York City?
Mr. Eric Adams
What type of variable is the one manipulated or tested by the scientist? It can also be called the "cause".
The independent variable
Ms. Hill conducted a test by measuring the amount of pollution produced by cars that used gasoline that contained different amounts of lead.
I.V : tested cars that use gasoline as fuel
D.V. : the amount of pollution produced by the cars
C: used only cars that use gasoline (no trucks or electric/hybrid cars)
What are the 5 boroughs of New York City?
The 5 boroughs are: Manhattan, Queens, Brooklyn, the Bronx and Staten Island
This type of energy is found in the movement of electrons
electrical energy
What type of variable is the one measured by the scientist? It can also be called the "effect".
The dependent variable
Two groups of students were tested to compare their speed working math problems. Each group was given the same problems. One group used calculators and the other group computed without calculators.
I.V: Two groups of students doing math problems
D.V: speed of completing math problems
C: same test for both groups
Who is the current president of the United States of America?
Mr. Joe Biden
This type of variable is what the scientist keeps the same throughout their investigation
The controlled variable, also called contants
Four groups of dogs are first weighed and then fed identical diets except for the amount of Vitamin E they receive. Each group gets a different amount. After 3 weeks on the diet, the dogs weights are measured again to see if there has been a decrease
I.V: Different amounts of vitamin E given to four groups of dogs
D.V: weight of the dogs
C: identical diets
What three major holidays are celebrated in the U.S. during the month of December?
Hanukkah, Kwanzaa and Christmas
The sun is an example of this type of energy.
Radiant or Solar energy
What is our independent variable and dependent variable for our Heart Rates Lab investigation?
Independent Variable- The type of exercise we will do (walking and running)
Dependent Variable- The heart rate/pulse