Definitions
Fill In The Blanks
Variables
Scientific Process
Independent or Not
100
This variable stays the same throughout the whole experiment
What is a constant?
100
Stephanie conducted a test to determine which style of paper airplane with fly the furthest. She does 3 trials for each airplane. If Rachael follows the same procedures, she is ______________ Stephanie's experiment.
What is replicating?
100
Three different liquids are poured onto a board and a scientist record how long it takes each liquid to travel 30 cm.
What is the independent variable?
what is the three different liquids.
100
Stephanie conducted a test to determine which style of paper airplane with fly the furthest. Rachael follows Stephanie’s procedures, copies the plane design and conducts the same trials. How does Rachael validate the results of the experiment?
What is replication?
100
Amelia wants to know what color bird feeder hummingbirds prefer. She puts 40 mL hummingbird food in 3 feeders that are the same in every way except for the color. One is blue, the second is red, and the third feeder is yellow. After observing the hummingbirds visit her feeders for one week, she measures how much food is left in each feeder. What must be kept constant in this experiment?
What is amount of food, amount of time, placement in yard
200
the variable that is measured
What is a dependent variable?
200
In an experiment, what a scientist measures or observes to see the effect is called the ___________.
What is dependent variable?
200
If athletes drink Gatorade then they will run faster
What is the dependent variable
What is the athletes speed?
200
Stephanie conducted a test to determine which style of paper airplane with fly the furthest. She creates 3 different style paper airplanes and conducts 3 trials for each plane style. How does Stephanie validate her results?
What is repetition?
200
Make a prediction related to the image.
answers will vary
300
This is the changing variable in an experiment
What is an independent variable?
300
In an experiment, what the scientist changes is called the _____________.
What is independent variable?
300
If I put more soap in my bathtub then more bubbles will form because soap causes forms bubbles in the presence of water.
What is the dependent and independent variable?
Dependent Variable: Bubbles forming in water
Independent Variable: Amount of soap.
300
When designing an experiment, both the question and the hypothesis must be _______________.
What is testable?
300
Amelia wants to know what color bird feeder hummingbirds prefer. She puts 40 mL hummingbird food in 3 feeders that are the same in every way except for the color. One is blue, the second is red, and the third feeder is yellow. After observing the hummingbirds visit her feeders for one week, she measures the amount of food left in each feeder. Did Amelia conduct a fair test? EXPLAIN.
what is yes, she kept all the variables constant (the same) except for the color of the feeder
400
A scientific test with controlled variables
What is an experiment?
400
This is a testable idea.
What is a hypothesis?
400
If you study for two hours everyday then your grades will increase because studying improves memory for test.
What is the Independent Variable and Dependent Variable?
Independent Variable: amount of time spent studying
Dependent Variable: Increase grades
400
Identify the dependent variable.
What is number of hot dogs sold.
400
Scientists analyze and compare data by using
What is a graph
500
The part of the experiment that is left standard to compare results
What is control group?
500
Johnny tests how quickly rats gain weight. He keeps 3 different types of rats in 3 different cages at different temperatures and feeds them each a different diet. What is wrong with Johnny's experiment?
what is he changed too many things at once?
500
Independent Variable: Amount of time spent practicing
Dependent Variable: Increased chance of winning a basketball game
What is the Hypothesis
If I spend more time practicing then my chances of winning basketball games will increase because practice makes perfect.
500
Identify the independent variable.
What is day of the week?
500
Make an inference about the image.
answers vary