Vocabulary Words
This is a prediction or educated guess that can be tested through an experiment
What is a hypothesis?
Two sets of plants. One is watered, and one is not. What is the independent variable?
The water
Jill wants to know if the brand of paper towels affect how much water is absorbed. What is the independent variable in this investigation?
What is ....the brand of paper towels.
The group that is not tested or changed in an experiment is called the _______ group. This is the "normal" group.
What is the control group?
Jeremy wants to know the average pulse of his class. Which step of the scientific method is this?
Asking a question or making an observation
To solve problems or answer questions
What is the purpose of the scientific method?
You have decided to test different brands or microwave popcorn to see which brand give you the most popped corn. What is the dependent variable?
How much popcorn popped.
It seems that the man was injured when he fell. Is this an Inference or Observation?
Inference.
Why is the control group important
What is allows us to compare our results to what might happen normally?
Marcos thinks, "If plants are given 8mL of water and sunshine daily, then they will have the best growing conditions." What step of the scientific method is this?
Writing a hypothesis
The variable that we purposefully change in an experiment.
What is the independent or manipulated variable?
What is your favorite food?
Crab Legs
Another name for independent variable.
What is manipulated.
BONUS BONUS BONUS
What is your favorite TV show?
Answers will vary
Joe wants to know more about Newton's Law. He goes to the library to research and decides to make a procedure where he can test out Newton's Law. What step of the scientific method is this?
The Research Step in the Scientific Method
This is the variable that is measured in an experiment.
What is the dependent or responding variable?
There are two types of fuel poured into the same car to see which one works best. What type of variable is the fuel?
Independent variable
The correct way to write a hypothesis?
What is an "If, Then" statement.
What is the first step of the scientific method?
What is make an OBSERVATION
Heidi goes to the library to plan out the steps and procedures for her experiment. What step of the scientific method is this?
The Experiment Step in the Scientific Method.
These are the variables that we keep the same to make sure that the test is fair.
What are constant variables?
Two different colored cans are placed in the sun and the temperature is recorded. What type of variable is the temperature of the cans?
Dependent variable
Jill wants to know which brand of dishwashing liquid makes the biggest bubble. She uses 3 soaps and a straw to blow bubbles on the table. What are 3 constants in this experiment?
*same amount of water
*same amount of soap
*same surface
*same length of straw
*same person and strength a person blows into the straw
Why do scientists repeat their experiments.
What is it increases the reliability of the data.
What are the 6 steps of the scientific method?
What is:
1. Observation
2. Research
3. Hypothesis
4. Experiment
5. Conclusion
6. Share the Results