Vocabulary
What is the process scientists use to ask a question, write a hypothesis, and conduct an experiment?
The Scientific Method
A study was done to determine if popcorn popped faster in the oven or in the microwave. What is the independent variable?
The cooking device
Is there always a control group in an experiment?
No
What three words should be in your hypothesis?
If, then, because
What format should your conclusion in science be?
a Claim, Evidence, Reasoning paragraph.
This is the variable that a scientist changes on purpose during an investigation.
Independent variable
A study was done to see if bleach cleaned better than SoftScrub soap. What is the dependent variable?
How well it cleans
If I decrease temperature then the balloon size will decrease because pressure will decrease.
What is the control group?
room temperature
This word describes data that is based on numbers.
Quantitative
What should be stated in your claim?
Hypothesis
This is a variable that responds to change and is measured by the scientist in an investigation.
Dependent variable
Larry was wondering if these new dog treats would make his dog, Bones, run faster. Larry timed how long it took Bones run to the fence without eating the treat. He then gave Bones the treat and timed him again.
What is the dependent variable?
How fast he could run
Larry was wondering if these new dog treats would make his dog, Bones, run faster. Larry timed how long it took Bones run to the fence without eating the treat. He then gave Bones the treat and timed him again.
What is the control group?
Bones running before eating the treat
If you are conducting an experiment where you are seeing something change color, what kind of data are you collecting?
Qualitative
What should be included in your evidence?
The data/results
Which group receives the independent variable?
The experimental group
Larry was wondering if these new dog treats would make his dog, Bones, run faster. Larry timed how long it took Bones run to the fence without eating the treat. He then gave Bones the treat and timed him again.
What is the independent variable?
The dog treat
A student tests how the mass of an airplane affects the distance it will fly. Paper clips are added before each test flight.
What is the control group?
paper airplane without paper clips
A study is done on 2 groups of people. Group A receives tylenol to help their headache. What would you give to the control group?
placebo (sugar pill)
What's one thing you should include in your reasoning?
A scientific reason why
Which group gets the placebo?
The control group
Scientific question: Does heating water allow it to dissolve more sugar?
What is the independent variable?
temperature of water
A test was done to see if salt dissolves faster than sugar. What is the control group?
The sugar, because salt is being compared to sugar.
Organizing data into __________ helps scientists analyze the data and explain the data clearly to others
tables, graphs, or charts
Write 5 words that you shouldn't include in your conclusion?
true, false, incorrect, correct, right, wrong