Animal Cells
What is the outside of an animal cell called?
Cell Membrane
When mixing milk and vinegar, what made the chemical reaction occur?
Heating up the milk
What is the first scientific method?
Make an observation
How old is Miss Elena?
25
What is the powerhouse of the cell?
Mitochondria
What numbers on the pH scale are acids?
0-6
What step of the scientific method involves your guess?
The Hypothesis
Where did Miss Elena go to college?
Arizona State University
What is the job of the Nucleus?
It is like the brain or the control center of the cell.
What is a 7 on the pH scale?
What do you do after making an observation?
Ask a question
What 3 experiments did we do that showed chemical reactions?
True or False: The cell membrane has tiny holes.
True, the cell membrane has tiny holes to let in good things and let out bad things.
What are the ingredients in Elephant Toothpaste?
Hydrogen peroxide, yeast, water, dish soap, food dye
Why is the scientific method important?
So that other scientists around the world can read and repeat your experiment of do further research.
What is the formal name of the pH strips?
Litmus Paper
Are all cells the same shape and size?
No, cells come in all different shapes and sizes.
Potential for Hydrogen
What do you need to include in your conclusion?
If your hypothesis was right or wrong and why.
What was an acid we tested when we did pH?
Lemon Juice, Vinegar, Lime Juice