VOCAB
LABS
Reactions
Chem. Reactions
Energy
100
What does DOPHHAE stand for?
Decrease in natural resources, Overexploitation, Pollution, Habitat destruction, Habitat fragmentation, Acid rain, Eutrophication
100
What is the chemical we put on the wool in the steel wool lab?
Vinegar
100
Name all 5 impacts on Rate of Reactions
Concentration, Surface Area, Inhibitor, Catalyst, Temp
100
The apple is being turned from a bright red into a brown and dark yellow color
Color change
100
What is potential energy?
Energy stored in an object due to its position or condition
200
What is a green space?
A land space with grass and trees to produce more oxygen for the environment
200
What is the purpose of the Sound Wave Lab?
To follow the pathway of sound through various objects
200
How do you make a sugar cube dissolve faster in water without touching it?
You can crush it, or blend it to make the surface area higher
200
When certain fruits rot like apples, they probably go from a nice and elegant smell to smelling really bad
Odor change
200
More mass = ?
more kinetic energy
300
Potential energy definition
Energy stored in an object due to its position or condition
300
What factors impact heat flow?
The change in the object's temperature, the mass, and the physical appearance
300
What does a catalyst do?
Speeds up chem reaction
300
When you have an apple and u leave it out for a long time, the material that will form is mold
Precipitate
300
What is kinetic energy?
Energy an object has due to its motion
400
What does a Catalyst do to a chemical reaction
Increases rate of reaction by lowering the activation energy
400
What is the dependent var. in the mirror lab?
How the sketch appears in the mirror
400
What rate of reaction slows down chem. reactions?
Inhibitor
400
The sun and the apple being left out on the counter too long might be the reason the apple is rotting. The sun also helps the apple rot faster
Light formation
400
Can energy ever be lost?
No it can only change form
500
The sun and the apple being left out on the counter too long might be the reason the apple is rotting. The sun also helps the apple rot faster
Light Formation
500
Trough + crest definition
Trough - lowest part of a wave
Crest - highest point in a wave
500
What happens when the surface area gets increased?
higher collisions
500
When the fruit is rotting, ethylene which is a gas produced by all fruits and vegetables is the reason all fruits rot
Gas production
500
If potential energy decreases, what does kinetic energy do?
Decreases