Vocabulary
Investigation Steps
Safety Standards
Parts of an Experiment
What would you use?
100
What is another word for 'hypothesis'?
Prediction
100
What are some easy ways to organize data?
Graphs, tables, charts, and pictures/graphics.
100
What is one safety rule when doing science investigations?
Allow options
100
What are you testing in an experiment?
Your hypothesis
100
What do you use to draw and defend a conclusion?
Observations and evidence
200
What do you call a set of observations that makes you believe that something is true?
Evidence
200
How many variables should be tested at one time in a scientific investigation?
One
200
When you're doing experiments, do you smell or taste the substances you're working with?
No, unless otherwise instructed.
200
For a scientific conclusion to be valid, what must it be based on?
Facts
200
What are some operations you can use to interpret data? (4)
Mean, Median, Mode, Range
300
Information from which a conclusion can be drawn or a prediction can be made are called ___________.
Data
300
Why should procedures be very detailed and go step-by-step?
To make sure the investigation is replicable.
300
When doing science experiments, what is one thing you can use your teacher for to stay safe?
Ask questions
300
What is the purpose of the control group?
The control group is a standard against which change is measured.
300
Suppose you want to do an investigation to find out how many cute pets live in your neighborhood. Is this scientific? How could you make it scientific?
No, you could change the investigation to find how many pets live in your neighborhood or the sizes and types of pets in your neighborhood.
400
What is the difference between precision and accuracy?
Precision is the ability to consistently repeat a measurement. Accuracy is the ability to make a measurement that is as close to the actual value as possible.
400
Name the steps of a Scientific Investigation.
1. Ask a Question; 2. State a Hypothesis; 3. Identify and Control Variables; 4. Collect, Record, and Interpret Data; 5. State a Conclusion; 6. Repeat Trials
400
Why is it important to ask questions when performing an investigation?
To clear any confusion.
400
A scientific investigation must be able to be __________.
Replicated (repeated)
400
Should you base your investigations on observations and data or opinions? Why?
Observations and data because they are facts and the same for everyone. Opinions change between different people.
500
A scientific conclusion is based on what?
Facts and observations
500
Scientists using the scientific method would absolutely NOT use their own ___________.
Opinion
500
Name three safety standards.
Allow options.
500
What are the three different types of investigations we've discussed?
Models, Surveys, and Sampling
500
Think: You want to perform a scientific investigation to find out how high a ball bounces on different surfaces. What are appropriate reference materials to reference before beginning your investigation? What are some materials you can reference?
Appropriate reference materials are reviewed and verified by other scientists. Some examples of appropriate materials are books, scientific journals, articles written by other scientists, and reliable Internet sites.
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