Lab Safety
When should safety goggles be worn in the science lab?
Whenever the teacher or directions instruct you to wear them.
The white hair on a polar bear is an example of
Adaptation
The outer part of a plant cell that gives it its support is the
This is the control center of the cell; directs all cell activities
The nucleus
A substance that speeds up the rate of a chemical reaction.
A Catalyst
True or false: You are allowed to eat and drink in the science lab
False, you should never eat in the lab.
A rat scurries past, and a python strikes at it is an example of
It is an example of a stimulus and response
The structure that carries out the process of photosynthesis
Chloroplast
The structure that carries out the process of photosynthesis
Chloroplast
The center of the cell containing the protons and neutrons.
The nucleus
What should you do if something seems unsafe in the science lab?
Tell the teacher immediately.
Producing sweat to reduce body temperature is an example of maintaining
Homeostasis
The INNER structure of a plant cell that helps keep its shape
Vacuole
The structure that makes proteins for the cell
Ribosome
Negatively charged particles that orbit the nucleus of an atom.
Electrons
You should do this when your teacher asks for your attention during a lab.
Stop what you are doing and pay attention to the teacher.
This must occur in order for traits to get passed along to future generations
The structure that breaks down food to create energy for the cell
Mitochondria
These are 3 things the vacuole does for a cell
Stores water, food, and waste products (and help provide support in a plant cell)
Stores energy. Also important in biological membranes.
Lipids
When testing for odors, you should?
Hold the chemical about an arm's length away and wave your hand over it.
Begins with atoms and molecules and increases in complexity
Organization
The structure in a cell that transports proteins to other parts of the cell
Endoplasmic Reticulum
This is the function of the Golgi body
To make lysosomes (or to take simple molecules and make bigger molecules from them, package them and store them or send them out of the cell)
What are two major portions of lipids?
Fatty Acid and Glycerol