Asking scientific questions
When conducting scientific investigations, what do you collect to answer your question?
Data
A variable I need to keep the same
Control Variable
this cell uses mitochondria to produce energy
animal cell
Name the two unicellular organisms that we learned about
amoeba and euglena
What is the organelle that creates energy in a plant cell?
chloroplasts
Scientists make observations about the world around them. What is an observation?
Something you can see in the world
This is the thing I measure in an experiment
Dependent variable
this cell cen contract and relax
muscle cell
What is the process amoebas use to reproduce?
binary fission
What barrier manages diffusion in an animal cell?
Cell membrane
In your experiment, bad things could happen. what are they called?
Hazards
Change this variable to make a good experiment
Independent variable
this cell has a hard outer layer and a large surface area
plant cell
What do amoebas eat?
Bacteria and plant cells
what organelle is in charge of waste in an amoeba?
contractile vacuole
I want to make my experiment safe. What should I plan?
Control measures
Scientists sometimes have an idea of what might happen in their experiment. what is this called?
This cell is responsible for diffusing water into a plant
root hair cell
How do euglenas make energy?
photosynthesis
What does a euglena use to move?
Flagella
My experiment measures the mass of objects. What tool should I be using?
Balance
What is a variable?
a measurement that can change its value
name the cell responsible for protecting you
white blood cell
What is the first step of binary fission?
Nucleus divides
Where does aerobic respiration occur in an animal cell?
Mitochondria