Scientific Method
What is the name of the method used to investigate a scientific question?
Scientific Method
What is the name of something that changes in an experiment?
Variable
What is data?
measurements or observations (descriptions) that show tell what happened in an experiment
Why do we do background research?
To understand the science behind our question, to make a reasonable hypothesis...
How does the moon cut his hair?
Eclipse it!
What is the name for a scientist's educated guess that predicts what will happen in his experiment?
Hypothesis
What is the name of the variable that the scientist changes?
A. Independent Variable
B. Dependent Variable
C. Control Variable
The __________ describes the steps you use during an experiment.
Procedure
Why is it ok to disprove your hypothesis?
You learned something, you learned something is not true, you can make a new guess and try again...
What do you think of that new restaurant on the moon?
The food’s great, but there’s not much atmosphere.
Once a scientist has decided on a question he or she wants to ask, then he or she needs to.....?
A. Get started on the experiment right away
B. Ask more questions
C. Research their topic in order to find out what others know
D. Collect data
C Research their topic in order to find out what others know
What is the name of the kind of variable that a scientist measures in his experiment?
Dependent Variable
Name something that is important about writing a good experimental procedure.
include step by step instructions, give enough details so someone reading the experiment could repeat it exactly as you did it, include any necessary safety tips...
Organized way to help scientists answer questions, helps to make sure results are accurate...
Why do tigers have stripes?
So they don't get spotted
What is the last step of the scientific method?
Tell others (Writeup results and present)
If I want to study how sunlight affects plant growth, I could put one plant by a sunny window and one in a dark closet, and I could measure the height of the plants as they grow. Name a variable that should be controlled or kept the same.
size of pot, type of dirt, amount of water given, temperature, number of seeds planted in a pot...
What is the section of your project called that lists all the items needed for your experiment?
Materials
Why do we try to change only one variable in our experiments?
If we changed more than one thing, we would not know what is causing our result.
How much room do fungi need to grow?
As mushroom as possible
What are the 5 steps of the Scientific Method?
Ask a question
Background research
Test the Hypothesis
Tell others what you learned
If I have two plants, one by a sunny window and one in a dark closet, and I measure the height of the plants, what is the dependent variable? the plant location or the plant height?
Plant height
Why is it good scientific practice to repeat an experiment more than once?
You might have made a mistake, and this helps you to know if your results are accurate
Why do we display data in a graph?
It gives the viewer a picture of the data, it makes it easy for the viewer to understand the data quickly...
How do you know when the moon is going broke?
When it’s down to its last quarter.