Scientific Tools
The tool that protects your eyes
What are goggles
This variable is the variable that the scientist changes in the experiment
What is the independent variable
What do scientists do to test a hypothesis?
Perform an experiment
When should goggles be worn in the lab?
What is whenever the teacher instructs you or the directions tell you to do so.
When John increases the amount of time to study, usually his test scores increase as well. What is the independent variable? What is the dependent variable?
IV: amount of study time
DV: test score
The tool used for measuring mass
What is a balance
An example of this variable is the GROWTH of a plant with fertilizer
What is a dependent variable
What do you do when you make an observation?
You use your senses to collect information
What should you do when something seems unsafe in the lab?
What is tell the teacher immediately
This surface feels slippery. Is this statement an observation or an inference? Why?
Observation, you are using your sense of touch to get information.
The tool that can help you see something close up. There are many types of these.
What is a microscope
This is something that stays the same throughout your experiment
What is a constant
What are the steps of the scientific method?
1. State the Problem 2. Research the topic 3. Form a hypothesis 4. Test your hypothesis 5. Analyze your data 6. Form conclusion
You should do this with long hair in the lab
What is pull it up/ tie it back
What is a prediction in science?
A forecast of what will happen
The tool that helps get liquid into another container
What is a funnel
What makes an experiment a controlled experiment
The experiment has one independent variable, one dependent variable and everything else is the same
What do you do with your results from an experiment?
Put it in a data table and keep it organzied
If you get acid in your eyes you should
What is use the eye wash station
True or False: When experimenting it is important to change only one variable and keep everything else at a constant.
TRUE
This tool can hold a small amount of liquid and usually does not have any measurements on it
What is a test tube
In this experiment tell me the independent and dependent variables: Flying a paper airplane but you added paperclips to it to see if it would fly further than without the paperclips
Independent: Adding the paperclips
Dependent: How far it flew
When Mr. Smith used more force to throw the ball, the ball traveled further across the room. What is the independent variable? What is the dependent variable?
IV: amount of force
DV: Distance the ball went
When may you dump and wash broken glass down the sink?
What is never
Define the word variable
Anything in an experiment that can change