Variables
Scientific Method
Lab Exposure
Scenarios
Review
100
What is the independent variable?
What you are testing or what you intentionally change.
100
What is the 1st step in the Scientific Method?
Form a question
100
Results can be presented in photos or in a _______ ______.
Data table
100
DAILY DOUBLE Identify the independent variable: Fertilizer in soil increases flower production.
Fertilizer
100
True of false: You may perform unauthorized experiments.
False
200
DAILY DOUBLE A control is...
What stays the same and IS NOT tested on. Is used to compare results to.
200
A hypothesis is a ______________.
Prediction
200
When writing a hypothesis one must restate or use the same wording as the
Question.
200
Identify the dependent variable: Fertilizer in soil increases flower production.
Flower production
200
True or false: Eating and drinking is NOT allowed during a lab.
True
300
What is the dependent variable?
The dependent variable is the observable change. This change results or depends on the changes in the independent variable.
300
After formulating a hypothesis one must conduct an ___________.
Experiment
300
DAILY DOUBLE When experimenting you must conduct at least _______ trials.
3
300
Identify the independent variable: Medicine A will reduce headaches.
Medicine A
300
Identify what is wrong and what should happen instead: During a lab, Johnny chased Mike around the classroom in a game of horseplay while the rest of the class worked with acids.
Johnny is chasing Mike during a lab. Johnny and Mike should both be working appropriately during the lab activity.
400
The dependent variable in the paper plane experiment was the...
Distance
400
A hypothesis should contain the following 3 words...
If testing whether.
400
Procedure must be listed in ______.
Steps
400
Identify the dependent variable: Medicine A will reduce headaches.
Reduction of headaches
400
What should you do during a lab to loose long hair or baggy clothes?
Loose long hair should be pulled back and baggy sleeves should be rolled up.
500
The independent variable in the paper plane experiment was the...
size of airplane
500
List the steps in order of the Scientific Method.
Question Research Hypothesis Procedure Data analyze Conclusion Communicate Results
500
Conclusions must restate the question and prove your hypothesis correct or incorrect with _____________.
Supported data from your results.
500
Form a scientific question from the sentence below: Gina wants to determine how much sunlight exposure a plant needs to grow the tallest.
How much sunlight exposure does a plant need to grow tall?
500
What went wrong? What should have happened? Jimmy didn't understand the directions so he went ahead and mixed all the liquids together causing a fire.
Jimmy didn't know what to do and conducted his own experiment. Jimmy should have asked the teacher for help.
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