Transcript Jeopardy - Mrs. Toole's Science Website

Science 7: 10/1/13
• Ellen Show: Hawaii Chair
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• Class Jeopardy
• Homework: As Seen on TV lab due
Thursday!
*Study Unit Review for Test Tomorrow!*
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Scientific Method!
Control
Exp.
Random
Definitions
Obs. / Inf.
100
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Something that needs to be solved. Written in a
TESTABLE QUESTION format!
What is a problem?
Row 1, Col 1
Information gathered with five senses
What is an observation?
1,2
Write a possible hypothesis to answer
the following problem question:
What effect does sunlight have on plant growth?
1,3
Steps used by scientists to carry out an experiment
What is the scientific method?
1,4
An educated guess, written:
IF (you do this) THEN (this will happen statement)
What is a hypothesis?
2,1
Statement to explain observation
What is an inference?
2,2
Crest White Strips vs. No Crest White Strips
Kylie designed an experiment to see if crest
white strips really whiten teeth. Set-up:
50 people used crest white strips for a month
and
50 people did not use crest white strips for a
month. At the end of her study she measured
how white their teeth were.
What is the independent variable?
2,3
Only test 1 variable, many trials, many test subjects
What three things do all good experiments
have in common?
2,4
Data section organizes data in tables and charts. The
conclusion section EXPLAINS the data!
What is the difference between
the data section and the conclusion section
of the scientific method?
3,1
Daily Double
3,2
Measurement of how white test subjects teeth are
Kylie designed an experiment to see if crest
white strips really whiten teeth. Set-up:
50 people used crest white strips for a month
and
50 people did not use crest white strips for a
month. At the end of her study she measured
how white their teeth were.
What is the dependent variable?
3,3
So you know which variable had an effect!
Why is it important to test only one independent
variable at a time?
3,4
Control Group: “normal group”
Experimental Group: “Guinea Pigs”
What is the difference between
the control and experimental
groups?
4,1
Daily Double
5,2
Control: People w/o crest white strips
Experimental: People with crest white strips
Kylie designed an experiment to see if crest
white strips really whiten teeth. Set-up:
50 people used crest white strips for a month
and
50 people did not use crest white strips for a
month. At the end of her study she measured
how white their teeth were.
What is the control and experimental groups?
4,3
Large Sample Size = Many Test Subjects
Many Trials = Repeat over and over again
What do I mean when I say all good experiments
have a large sample size? What do I mean when
I say all good experiments have many trials?
4,4
Independent variable: I change ____ vs. ____
Dependent variable: Data Measured
Constants: Variables kept the same between control &
experimental groups!
Define the following:
Independent Variable
Dependent Variable
Constants
5,1
4,2
Same toothpaste,
Same overall teeth condition,
Same frequency of brushing
Kylie designed an experiment to see if crest
white strips really whiten teeth. Set-up:
50 people used crest white strips for a month
and
50 people did not use crest white strips for a
month. At the end of her study she measured
how white their teeth were.
What are the constants?
5,3
Problem, Research, Hypothesis, Experiment, Results,
Conclusion
List the 6 steps of the scientific method in order
and explain each step.
5,4