Which anion and which cation were most reactive ( gave the largest number of
visible reaction products)?
The cation that was most reactive was silver and the anion that was most reactive was
hydroxide and carbonate.
Which anion and w
Earth Science Lab
Question: What happens to CO2 levels each year? What has happened over the last 30
years and what is the cause.
Hypothesis: The CO2 levels have cyclic relationship they peak in the summer and trough
right before the winter. Over t
Evidence of weathering write up and analysis
Question: Where can we find evidence of weathering of rocky materials and what
happens to the material?
The most common places people walk on or drive over will have the most weathering.
(1) Write a balanced equation for the solubilization of NaCl.
NaCl Na + Cl(2) Write a balanced equation for the solubilization of KNO3 and a balanced
equation for the solubilization of CaCl2
KNO3 (s) K+(aq) + NO-3 (aq)
Ca + 2Cl2 - (aq)
(1) Use Eq. 1 to determine the heat in calories that was transferred from the
warm water to the cool water for activities 1 and 2.
Q= mc t
heat lost- Q = 100ml (1cal/g deg) (22c )= 2200c
cool gained Q= 100 ml (1cal/g deg) (18c)= 1800c
Indicate whether the statement is true or false.
_t_ 1. The endocrine system coordinates long duration responses
for the body.
_t_ 2. Enzymes do not do anything that would not happen
Identify the choice that best c
March 17, 2009
SCI141: Biology Sections
In this experiment we tested rates of diffusion. Diffusion is the net movement of a kind of
molecule from an area of higher concentration to an area of lower concentration a
Buoyancy Lab 4
Do the dark and light wood samples float in the water?
Both the light wood and the dark wood floated in water.
Do they float in ethyl alcohol?
The dark wood floated in ethyl alcohol while the light wood sank.
What can you sa
Work (ft* lb)
Power (hp) w/r
Calculate the work done by and the po
Pendulum Lab 6
Jenna Evarts, Bibi Henriques, Shawn Gonzalez
Report your results of your investigations of the effects of amplitude and mass of the
bob in 1 combined table. Do your findings support the hypothesis stated in act. 1?
(1) describe your observations of the Group 1 reactions.
My observations of the group 1 reactions are that lithium smoked a little and not
a lot of energy was released. In sodium, a lot of energy is released and the
Tuesday & Thursday 10:05-11:20
Project Based Learning
Main Topic: Recycling
The focus questions that the students should be focusing on are:
1. Why is recycling important?
2. How does recycling keep the Earth clean and pr