Lab Safety
Name three pieces of safety equipment we might use in the lab
Lab coat, goggles, gloves
What are two things you can see with a microscope that you cannot see with your eye
Fungi, bacteria, cells
Why are graphs useful?
Because it allows us to visually see data
What is a hypothesis?
A statement that predicts the results of an experiment
All living things are made of ____________
cells
A graduated cylinder measures in what unit
Milliliters (mL)
Which part of the microscope is responsible for focusing the image so it is clear?
The coarse & fine adjustment knobs
What are the steps of the SULTAN method?
Scale
Units
Label
Title
Accuracy
Neatness
A scientist wants to determine if air temperature affects plant growth. Which is the dependent variable?
Plant growth
What are two types of small, living organisms that can only be seen with a microscope
Bacteria, Fungi
When heating a test tube, what should you NOT do
Point it at another person, hold the glass with your hands, or point the flame into the tube
Which part of the microscope controls how much light can enter?
The diaphragm
How should a scale look on a graph?
The scale should be in even intervals and should end just slightly above the highest value
Why do scientists prefer the metric system over the imperial measurement system?
Only the U.S. uses imperial
What process do plants perform to stay alive?
Photosynthesis
You pour too much liquid into a beaker and now you have extra. What should you do with it?
TELL THE TEACHER
There are 5 cells in a row in a field of view that is 10 um wide. How big is one cell?
Which axis does the independent variable go on for a graph?
The x-axis on the bottom
What are three units of measurement for temeprature?
Celsius, Fahrenheit, and Kelvin
What two things do plants need to survive?
Sun, water
How should you store a microscope? (hint: think of the objective lenses)
On low power
There are 2 cells lined up across a field of view with a diameter of 10 um. How big is one cell?
5 um
What is one thing you must remember to do on line graphs when answering Regents questions
It keeps all factors the same so we know the IV is what caused the change
Why did Lima beans not need soil to germinate?
They were not green yet, and seeds grow in soil