Science Basics
What is a hypothesis
A possible explanation or inference that can be tested
What does the exclamation point symbol represent
To be aware of general safety
What can you wear to protect your eyes in the lab
Safety goggles
What is the name of the branch of science that focuses on classification
Taxonomy
What is a derived characteristic
Features unique to a particular clade & its descendants
What axis is the dependent variable graphed on
The y-axis
What will give information about the properties of a chemical, health hazards, protective measures, and safety precautions?
An SDS Sheet
T or F: Tube tops are allowed for lab
FALSE
What is a way to remember the branches of species (Ex: Kingdom, phylum, domain)
Dear King Phillip Came Over For Good Spaghetti
Who should you tell if there is a fire
Your teacher
Which is the variable that the scientist changes
The independent variable
Why should you dilute an acid properly
To avoid splashing, spills, and other dangerous outcomes
What should be worn to protect clothes when using chemicals or heated substances
Lab coats/aprons
What does the main line and the starting point represent in a cladogram
A hot glass looks ____
What is the negative control for Benedict's Test
Regular water
Should you try to put a cap back onto a sharp
T or F: It is preferred to wear contact lenses when possible.
FALSE
Define a clade
A group of organisms that includes an ancestor and all of its descendants
How should you dilute an acid
Pour acid into water
What does falsifiable mean
It can be wrong
What do you do when a flame comes towards you
Turn off gas immediately
What are the two articles of clothing that are required on lab days
Define the Principle of Parsimony
The simplest explanation is most likely the correct one if all things are equal
What is the difference between precision and accuracy
Precision is how close measurements are to each other and accuracy is how close a measurement is to the accepted or true value