Is a rock alive? Why or why not
No. It does not have characteristics of life (cannot grow, reproduce, respond to stimuli, adapt, maintain homeostasis, or process energy.)
If there is an issue in the lab, you should do this.
Inform the instructor!
The scientific term for something you can hear, see, touch, taste, or smell when gathering data.
An observation
<p>
What is a hypothesis?
A living single celled organism, some species of which are known for making people sick.
A bacteria (or protozoa is also acceptable, but not expected)
What are all living things made of?
Cells
This is where you should go if you need an eye wash.
Across the hall or next door
This is the term for something you can guess based on what you observed, but cannot actually observe
An inference
What is a scientific theory?
An explanation for how something happened which fits all the current evidence and observations (and has been tested many times by many scientists)
This living, single-celled fungi helps bread rise by producing carbon dioxide and alcohols.
A yeast.
Is a bird alive? Why or why not?
Yes! It responds to stimuli, can reproduce, adapts over generations, grows and develops, maintains homeostasis, and processes energy.
What type of footwear must you have on in the lab?
The average class size at Las Cruces High School has 25 students. What type of data is this AND why?
Quantitative, because it has a number. There is a quantity present.
What is a scientific law?
A description, sometimes written as a math equation, which describes something we see happening over and over and over again, every time.
What does it mean to be a unicellular organism?
To be a living organism with only one cell.
What is homeostasis?
Maintaining the balance of internal systems in response to the oustide environment so that the organism can stay alive.
What are the two pieces of safety equipment we will always use in the lab?
Goggles and aprons.
When milk is added to water, the water becomes opaque (you can't see through it) is what kind of data AND why?
Qualitative, because the clarity of water is a characteristic that does not have a numberical value.
Do scientific theories ever become scientific laws?
No. They are two different things with two different jobs.
A Zorse cannot reproduce. Is it still alive?
Yes. They are still alive. There are just some exceptions to almost every classification.
1. Organized 2. Respond to Stimuli 3. Reproduces 4. Evolves (Adapts over generations) 5. Develops as it grows 6. Maintains Homeostasis 7. Processes energy
Name at least five things you CANNOT have or do in a science lab.
Food, drinks, dangly jewelry, long hair that is not tied back, open toed shoes/sandals, pipette by mouth, joke around/goof off, leave an experiment unattended, take thngs from the lab home without permission.
In the hypothesis, "if a person increases their intake of carrots, then their night vision will improve." what are the dependent and independent variables?
Independent: Eating more carrots
Dependent: Quality of night vision
Evolution describes the observed change in species over time while natural selection explains how that change may have come to be based on the evidence we currently have.
Name three types of living organisms.
Animals, Plants, Fungi, Bacteria, or Protozoa