Chapter 1 Science Study Guide Flashcards
Define
Hypothesis
A statement about what you think will happen during an investigation.
Define
Data
Information from which a conclusion can be drawn.
Define
Precision
The ability the constantly repeate a measurement.
What is:
The ability to make a measurement that is as close to the actual value as possible.
Accuracy
Define
Observation
Something you find about objects or living things using your senses.
Define
Procedure
Step-by-step instructions for completing a task.
What is:
Something you can change in a test.
Variable
What is:
A standard against which change is measured.
Control Group
Define
Experiment
The use of scientific methods to test your hypothesis.
Scientists defend their conclusions by using _______________ they made during their scientific investigation.
OBSERVATIONS
Why do scientists do repeated trials?
Repeated trials:
are needed for a conclusion to be VALID.
Repeated trials are done to obtain the most accurate info.
What are some ways scientists can stay safe during experiments?
- tie hair back
- avoid loose clothing
- use chemicals carefully
- listen to teacher’s instructions
- wear safety goggles
- ask questions
- never taste or smell a substance unless told to do so
8.
List the steps scientists take during a scientific investigation:
- Define problems
- Make hypothesis
- Make observations
- Draw conclusions
What are some sources scientists use to do research?
- .org and .gov websites (**trusted websites)
- museums
- books
- journals
11 x 11
121
