Scientific Procedure
What is the first step in the scientific procedure?
Observe- gather information on a topic of interest
What PPE should be worn at ALL times in the Lab?
Safety Glasses or safety goggles
If you miss the instruction for a lab, what should you do?
Ask the teacher.
the series of steps for scientists to follow in order to understand how things work, and why they work the way they do is known as the
Scientific Method
True or False: It is okay to run in the lab.
False
Step in the scientific method that looks at the results and determines whether or not the experiment supported or contradicted the hypothesis
Conclusions
It is important to know the location of which items in the lab to ensure safety of everyone?
Fire Extinguisher, First aid kit, eye wash station, fire alarm, gas shut off switch
True or False: You can eat food in the lab if all tables are wiped down before hand
False
the variable in an experiment that is deliberately changed on purpose
Independent Variable
True or False: Nothing lab-related can be taken out of the lab, even lab coats or gloves.
True.
What step in the scientific method is the actual step where scientists design, carry out tests, or trials that will help determine if their hypothesis was supported or not
Experiment
True or False: If you spill something in the lab, it is okay to wait until the end of the hour
False
Which of the following is acceptable lab behavior?
a. leaning across the lab table
b. using a dustpan to clean broken glass
c. eating snacks in the lab
d. directly smelling a chemical mixture
using a dustpan to clean broken glass
The variable in an experiment that is the result of the changed variable.
Dependent Variable
A fire breaks out in the lab. What is your first step?
To grab the fire extinguisher or blanket.
What is the 2nd step in the scientific procedure
Form a hypothesis
What is the correct way to check to odor of a substance in the lab?
Use your hands to wave / waft the scent towards your nose.
Students with long hair and jewelry should do what in the lab?
Students should pull their hair back and take off any jewelry before entering the lab.
Which variable always stays the same in an experiment and why?
Control- something needs to stay constant so that the only way the dependent variable is changed is directly a result from the independent variable
You are determining whether an increase in water leads to more plant growth. Give 3 control variables you will need to keep in mind.
- soil type and amount
- fertilizer type and amount
- sunlight
- temperature
- pot size
After the experiment, what must you do with the information?
Analyze the data
What is the number 1 priority in the science lab?
Safety
If your lab partner splashes chemical in their eye, what should you do?
Lead them to and help them use the eye wash.
You are testing whether the temperature of the room influences chicken egg growth. What is the independent variable?
Temperature.
You are testing whether singing influences plant growth. What is the dependent variable?
Plant growth (height)