Hypothesis or Hunch?
Testable or not?
Why is Mr. Valdez so cool?
Non testable
we just know he's so cool
What term describes the repeated tests of an experiment to ensure reliability of results?
What is a trial?
In a plant growth experiment, you keep sunlight, soil, and water consistent across all groups. What are these called?
What are constants?
What are unit labels?
A unit of measurement
Who are the 3 best science teachers in the building?
Mr Jones, Ms Pfingsten, and Mr Valdez!
What is the term for the process of repeating an experiment to ensure reliability of results?
What are trials?
What is the minimum amount of trial you should do in an experiment?
3 trials at minimum
In an experiment, this group does not receive the experimental treatment and is used for comparison.
What is the control group?
When talking about how far you throw something, what should your unit label be?
meters/cm
Biology is the study of what?
Study of life.
What's wrong with this?
What is the effect of different brands of shoes?
There is no DV being measured
What is the purpose of repeated trials?
To ensure fair and valid experiments.
To ensure valid results, you must ensure that only one factor is changed. This factor is known as the __________.
What is the independent variable?
Jon wants to know what the effect of how much air is in a balloon on how long it can float in the air?
What unit should he use for the DV?
Time in seconds
In 8th grade we learn about physical science.
What two types of science is physical science?
Chemistry and Physics
What are the two formats for writing a hypothesis
Qualitative: If (pick an IV), then (compare to another IV)
Quantitative: If (IV increases/decreases) then (DV will increase/decrease)
What term is used to determine the central tendency of a set of data, often referred to as the average?
What is the mean?
What is qualitative?
What do unit labels tell us?
Unit labels tell us what kind of number in being shown.
What gas do human EXHALE.
Carbon Dioxide (CO2)
What's wrong with this hypothesis.
If the color of the car is red, then the number of times they get pulled over will decrease.
The hypothesis didn't compare two levels of the IV
When looking at a graph, what tells you if the data is quantitative or qualitative?
If the data is in a bar graph OR if the levels of the IV are characteristics of something.
In an experiment, you must be sure to keep things unbiased to create valid and accurate data. ______ are used to ensure of this.
What are constants?
When testing how far Jack can throw a football, he started the experiment by measuring where the ball hit the ground then he started measuring to where the ball rolled to.
What is wrong with this approach?
Jack wasn't measuring consistently.
What is the atomic symbol for GOLD?