What is the last step of the scientific method that uses an "If.... then..." statement
Hypothesis
Observation or Inference: Cats don't like water
Inference
What is an independent variable?
The thing you change on purpose
A cow is given a growth hormone and then compared to another cow that was not given a growth hormone. Both cows were weighed at 2 years. Which cow is the experimental group?
The cow given the growth hormone
What does a meter stick measure?
Length
What does the scientific method begin with?
Asking a question
What is a control group?
The normal group, what you compare your results to
What is a dependent variable
The thing being measured or observed
If you conduct an experiment to see what type of fertilizer is best for grass, what should your control group be?
The grass with no fertilizer
What does a graduated cylinder measure?
Volume
What is the last step of the scientific method?
Communicate Results
What is qualitative data?
Descriptive data
What is a variable that remains the same throughout the experiment?
A constant
If there are more fish in a river, then there will be fewer bugs. What is the independent variable?
The number of fish living in the river
What does a triple beam balance measure?
Mass
What must you do after collecting your data?
Give one example of quantitative data
Mass, volume, length, etc. (Anything with numbers)
What is more trustworthy: a hypothesis or theory? Why?
A theory because it has more evidence
One grape is placed in tap water and another grape is placed in salt water. The change in their mass is measured after a day. What are the independent and dependent variables?
Independent: Type of water
Dependent: Mass of grapes
What collects data and uploads it to a computer?
Probeware
True or False: The scientific method is the exact same series of steps every time
False
What's the difference between a hypothesis, a theory, and a law?
Hypothesis: A possible answer
Theory: An explanation for a phenomenon
Law: Describes a phenomenon
How many things can you change in an experiment?
One
If you're conducting an experiment to see how different liquids affect plant growth, what are 2 things that should be kept constant?
Amount of liquid, time of watering, pots, amount of sunlight, etc.
What is a mapping software that displays spatial data?
GIS (Geographic Information System)