Lab Safety
If someone in your lab group breaks glass, what should you do?
Do not touch it and call Mrs. Neduva over!
Observe something.
Hydrogen
We consume this molecule for short term energy.
Carbohydrates (glucose)
Are we eukaryotes or prokaryotes?
Eukaryotes
Sally got a small cut and is bleeding, what should you do?
Not touch the blood, and call Mrs. Neduva over.
Once an experiment is over, the can trust the data to be completely true. Why or why not?
No, you have to repeat an experiment to make sure you get the same results.
Which element is essential to life?
Carbon
What are the building blocks (monomers) of proteins?
amino acids
What is the outside of an animal cell called?
Cell membrane
What are three things about your clothing that you should check before doing a lab?
1. No loose articles of clothing
2. Hair is up
3. No open toed shoes
4. Proper PPE
What is a hypothesis?
An if-then statement that proposes a reason for what was just observed. It is a statement that will be followed with an experiment and is testable.
This molecule is polar and cohesive.
Water
Which macromolecule do we use for long term energy?
Lipids (fats)
What are two things that plant cells have that animal cells do not?
Cell Wall
Large Central Vacuole
Chloroplasts
Write a common sense lab safety rule, that you think people still do not follow in the lab.
Up to Mrs. Neduva
An experiment in which only one variable is changed is called ______________________.
A controlled experiment.
What are the six essential elements that we need for life?
CHNOPS
carbon,hydrgoen,nitrogen,oxygen,phosphorus,sulfur
Which macromolecule makes enzymes?
Proteins
In the mitochondria
Why do you put a fire blanket on fires?
To stop it from getting oxygen so it can't grow. (Smother it)
A scientist conducted an experiment to determine how the amount of salt in a body of water affects the number of plants that can live in the water. In this experiment the dependent variable is
Number of Plants
What is an ion?
A charged particle, either positive or negative.
What three main elements make up carbohydrates?
Carbon
Oxygen
Hydrogen
What is the role of the ribosomes?
Protein synthesis