Vocabulary
What is the definition of criteria
What our design needs to do to be successful
What is the starting stuff called for a chemical reaction?
Reactants
What is the smallest unit of life?
cells
What system in your body controls your muscles
Muscular system
Why are MRE's not used often? (give me 1 way)
Too expensive, doesn't look good, hard to understand, and hard to transport to people
What is the definition of heat?
The amount of movement and collision between particles
What is occurring when I mix my kool-aid package with water and sugar?
I am dissolving the kool-aid into the liquid
What is the "brain" of the cell?
The nucleus
What system in your body controls the bones?
skeletal system
What are the 3 phases of matter?
Solid, liquid, and gas
What is the definition of a chemical reaction?
A process that involves rearranging the molecules or structure to create a new substance.
What is created at the end of a chemical reaction and what is it called in the terms of a chemical reaction formula?
A new substance is created and they are called products
What is the name of what makes you, you?
DNA
What system controls feelings in the body?
the nervous system
Starting: 77.9g
Ending: 73.9g
Total Mass Loss: 4g
A group of cells working together in a certain spot is called what?
A tissue
What 2 types of gas are being released when making an MRE?
Hydrogen gas and steam
How does a cell fight off a virus?
The cell will attack the virus with special enzymes and then create antibodies using the DNA from the nucleus.
What is the purpose of the respiratory system?
It is used to exchange gases in our body (breathe in O2 and breathe out CO2)
How does a thermometer read a hot temperature at the microscopic level?
The outside particles collide with the glass particles causing energy to transfer to the glass from the outside. Then the energy has nowhere to go except inward to the liquid where it then will rise up to tell the temperature.
What is the definition of combustion?
A chemical reaction in which a substance reacts with oxygen, producing heat, light, and energy
What caused the chemical reaction to occur in elephant toothpaste?
The dish soap, yeast, and hydrogen peroxide all created a chemical reaction.
What do the ribosomes create and how do they use them?
The ribosomes create polypeptide chains that are then used to rebuild parts of the cell.
What is the purpose of the circulatory system?
It is a system that pumps blood to parts of the body
What does our blood provide? (need all 4 parts)
1) plasma - nutrients
2) red blood cells - oxygen
3) white blood cells - fight diseases
4) platelets - plug the hole/create the scab