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 type of variable is the water?
Independent variable
What is "Quantitative" observation?
Observations that use numbers.
Dinosaurs died out when they could not adapt to the changing climate. Is it observation or inference?
Inference
Jeremy wants to know the average pulse of his class. Which step of the scientific method is this?
1st step: a question/problem
This involves a series of steps that are used to investigate a natural occurrence.
What is 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?
What is popped corn.
It seems that the man is injured. Inference or Observation?
Inference.
Which axis do you use for "dependent" variable?
y-axis
Marcos thinks, "If plans are given 8mL of water and sunshine daily, then they will have the best growing conditions." What step of the scientific method is this?
Formulate a hypothesis
The variable that we purposefully change in an experiment.
What is the independent or manipulated variable?
A stapler is used to staple 100 papers, it jams 5 times during the trial. A difference brand of stale performs the same test; it jams 22 times. What type of variable is "the brand of staple"?
the independent variable
Another name for independent variable.
What is manipulated.
When you conduct the fair experiment, you should manipulate only 1 independent variable at a time. True or false?
True
Jesus wants to know more about Newton's Law. He goes to the library to find books about Newton's Law. What step of the scientific method is this?
The 2nd step: "research/observation"
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 phrase you should use?
What is an "If, Then" statement.
What is the first step of the scientific method?
Ask a question or State a problem!
John comes up with a table he can use to record his data. He decided to make a graph from his table. Which step is this?
Collect and analyze results
These are the variables that we keep the same to make sure that the test is fair.
What is the controlled or 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
Look at your friend and give an example of "Qualitative" observation.
He is wearing a blue sweatshirt. He wears a white pants. He has an orange backpack........
Why do scientists repeat their experiments.
What is it increases the reliability of the data.
What are the 7 steps of the scientific method?
1. problem/question
2. Observation/Research
3. Formulate a hypothesis
4. Experiment
5. Collect and analyze data (results)
6. write a conclusion
7. Communicate the results