A standard against which a change is measured; the thing in an experiment that stays the same.
What is a control group?
100
1. Ask a question
2. State a hypothesis
3. Identify and control variables
4. Collect, record, and interpret data
5. State a conclusion
6. Support the conclusion with evidence
What are the steps for performing an experiment?
100
Using the senses to gather information.
What are observations?
100
A tool used to observe very, very small things like microorganisms.
What is a microscope?
200
A statement of what you think will happen during an investigation.
What is a hypothesis?
200
Something you find out about objects, events, or living things using your senses.
What is an observation?
200
A scientific conclusion is based on these two things.
What are facts and observations?
200
Using observations and recording the information into graphs, charts, or tables.
How scientists collect and interpret data?
200
A lens that produces an enlarged image.
What is a magnifying glass?
300
Step-by-step instructions for completing a task.
What is a procedure?
300
The use of scientific methods to test a hypothesis.
What is an experiment?
300
Ask my teacher questions for...
What do you do to stay safe when performing science activities?
300
To ensure that their experiment is accurate.
Why scientists perform multiple trials?
300
an instrument for measuring and indicating temperature.
What is a thermometer?
400
Information from which a conclusion can be drawn or a prediction can be made.
What is data?
400
A conclusion based on observations, or a prediction about what should happen.
What is an inference?
400
Information that scientists use for a conclusion to be valid and true.
What are facts?
500
Observations that make you believe something is true.
What is evidence?
500
The ability to make a measurement that is as close to the actual value as possible.