Experiments
The variable the scientist changes (cause)
Independent variable
Describes WHAT
Law
Thinking scientifically means...
Observing and asking questions
Variable the scientist measures
Dependent variable
Explains WHY
True or False: A survey type of study is a type of scientific investigation
True
Julie goes to a park every day for a week to record bird activity. Is this repetition or replication? What's the purpose of it?
Repetition and accuracy
When new data arises, scientists must first __________ and __________ on the new idea before modifying anything
Debate and agree
Question 4, practice page
A
True or False: An investigation is in general less formal than an experiment
True
Deborah is testing the buoyancy of different life jackets. Ricky wants to see if he does this experiment if he'll get similar results. What is this called?
Replication
What is a visual representation of something hard to observe to help scientists understand it?
Model
Question 3, practice page
B
True or False: When scientists get different results from similar experiments, that means one of them is wrong.
False
Deborah is testing the buoyancy of different life jackets. She tries three different ones by floating them in water and adding weights to see how long they will float. What is the independent AND dependent variable?
I: Different life jackets
D: Buoyancy, how long they will float
Theory or Law: Matter is made up of tiny particles called atoms and includes their interactions
Theory
Question 5, practice page
D
When evidence is based off of data and observations, it is called...
Empirical