What scientific instrument do we use to measure mass?
A scale
What is mass?
Mass is the amount of particles [atoms] in a substance or object.
What reaction did we determine would work best for our flameless heater?
Root killer, aluminum, and saltwater
Define reactants
Reactants are the substances that are combined to create a chemical reaction
Name the artist, song name, and year this song was released.
Bad Bunny, Titi me Pregunto, 2022
What is an engineer?
An engineer is someone who designs and builds something to better society.
What is thermal energy?
Thermal energy is a type of energy we feel. It is measured by particle movement.
What are the criteria and constraints for our flameless heater? [8 in total]
Criteria: heat up food, safe, affordable, accessible
Constraints: Cost, types of materials, no fire/gas/electricty, time
Mass limit: 500g-700g
Temperature: 45C/136f
Time: 15-20m
Name this popular rock song from the 80's
Don't stop Believin
What is a chemical reaction?
A chemical reaction is a process in which the atoms of the reactants break apart and rearrange to form new substances.
What is the difference between an exothermic and endothermic reaction?
Exothermic reactions release heat [hot]
Endothermic reactions absorb heat [cold]
What are some situations in which a FH would be helpful? [list 4]
Tornado, hurricane, earthquake, power outage, blizzard, stuck in car, Lost in the woods, Storm, Landslides, Tsunamis, Camping, Hiking
How does the amount of food we use and the amount of reactants we use impact one another?
Too much food and not enough reactants will result in cold food.
Too many reactants and not enough food will end up in food burning.
Name this popular pop song from the 90's
I want it that way
What units do we use to measure 1. mass, 2. volume [liquids], and 3. temperature?
1. Grams
2. Milliliters
3. Fahrenheit
Criteria is what our design needs to be, or do, to be successful
What causes the flameless heater to produce heat? be specific
A specific chemical reaction that releases heat, which is known as an exothermic reaction.
What boy band is this?
The Jonas brothers
Name this popular punk song from the early 2000's
American Idiot
Which of these scientists are a founding father of chemistry?
A. Albert Einstein
B. Dmitri Mendeleev
C. Issac Newton
B. Dmitri Mendeleev
Define constraints in terms of building a design
A constraint is what makes a design difficult to build
What proportion of reactants did we determine works best for our heater?
0.5g Al
5.5g rootkiller
60 ml of saltwater
Who is the most famous tiktoker in 2023
A. Charli D'Amelio
B. Khaby Lame
C. Mr. Beast
Khaby Lame
Name this popular hip hop song from the 2010s
Airplanes