Watersheds, Math & Science Outline Name: _____________________________ Date: ______ Pd: _____

I. Math Basics (screencasts available at mrsolson.com)A. The smallest living dog is a Chihuahua named Boo Boo who is 10.16 cm tall. The tallest dog is a Great

Dane named Zeus who measures an incredible 111.8 cm. The sum of these numbers is? Show your work (I want to see the set up of the equation).

B. The fastest 100 meter hurdles wearing swim fins is 14.82 seconds and was achieved by Christopher Irmscher. The fastest 100 meter by a skateboarding dog (Tillman) was 19.8 seconds. The product of these times is? Show your work (I want to see the set up of the equation).

C. Your lab group gets the highest score on the lab safety quiz and Mrs. Olson rewards you with a bag of skittles. You want to be fair and give each person the same amount. There were 5 people in your group and there are 68 skittles. Show the long division that you used to figure it out. No calculators!!!!

D. Label the missing place values.

E. Mrs. Olson asked you to collect data to the .1 decimal place. What place value does she want you to measure to?

F. You are calculating an average and get the following answer (12.03456 seconds) what number would you write as the answer if you were asked to report your answers to the .01 decimal place.

G. When you say “percent” you are really saying per __________.H. Write 25% as a fraction.

I. 6 % of gift cards purchased are never redeemed. What is this number as a decimal?

J. .86 is what percent?

K. You are super excited about your last science test, you totally studied! You get your test back and you got 65 out of a possible 78. What is your percentage? Show your work.

II. Metrics & Measurement

A. What is the base unit for:a. Length: _________________ b. Mass: _________________ c. Volume: _________________

B. What do the following prefixes mean?

centi= __________________________ (10-2) mili = __________________________ (10-3)

micro =__________________________ (10-6) nano = __________________________ (10-9)

C. Use a ruler to measure the following:

D. What does each unit represent?ml = ______________________________________ m = ______________________________________cm = ______________________________________ kg = ______________________________________

E. What is the proper way to read a graduated cylinder?

F. What would be the mass of the object measured in the pictures?

A._______ + ______ + _______ = ________ B._______ + ______ + _______ = ________

G. Convert 198 g to kg.

H. A block of copper measures 2.0 cm x 4.0 cm x 5.0 cm and weighs 356 grams, what is its density? Show your work.

III. The Scientific Method

A. What is the scientific method? (pg 7)

B. Which words belong in the diagram to the right. Use Figure 8 on pg 8.1) =________________________ 2) =________________________

3) =________________________ 4) =________________________

( )cm ( )cm

C. What is a scientific theory? (pg 9)

D. What is quantitative data? Give an example.

E. What is qualitative data? Give an example

F. What is the mean of the following numbers? What is another term for mean? Show your calculation.(4, 6, 4.5, 7)

IV. Experimental Error & Water Basics

A. Why is it important to be able to calculate error when conducting an experiment?

B. What is the equation for percent error?

C. While doing a lab, a student found the density of a piece of pure aluminum to be 2.85 g/cm3. The accepted value for the density of aluminum is 2.7o g/cm3. What is the student’s percent error? Show your work.

D. A group of students worked on separate teams to measure the length of an object. Here is their data.

a. What is the mean? Show your work.

b. The actual measurement of the object was 2.78 cm. What is the percent error? Show your work.

E. What is standard deviation?

F. Why is it important to know the standard deviation?

Read “What is Groundwater” and answer the following

A. What is a water table?

B. What is ground water?

C. Label the groundwater, and water table in the picture to the right.D. Compare and contrast the unsaturated and saturated zones in the picture to the right.

E. What is recharge?

F. What factors might cause the water table to:a. rise b. fall

G. What is an aquifer?

H. How does water get out of the ground?

I. What is discharge of water?

V. CA Waterways

A. Label the parts of the hydrologic cycle (pg 694)

B. Match each word in column 1 with its definition in column 2.

Column 1   Column 2

a) precipitation   the change of water vapor to a liquid

b) evaporation  the process whereby water travels from the earth to the air and back to the earth; hydrologic cycle

c) condensation   the release of moisture by living things

d) run-off   water collected below the soil on the bedrock

e) groundwater   the change of water from a liquid to a gas

f) transpiration   any type of moisture that falls to the earth

g) the water cycle   the flow of water from land into a lake, river or wetland

C. Where is most of the usable fresh water located? Why can’t we use it?

D. The rate of precipitation is different depending on where you live in California. Where does most of the precipitation fall?

E. How do we get water to where it needs to go?

F. What is a watershed? How does the water flow?

G. 11% of the global population are still without access improved sources of drinking water. If the world population is 7 billion (7,000,000,000) how many people are without clean water? Show your work.

_________________________________________ people are without clean drinking water!VI. Porosity, Permeability & Aquifers

A. Define porosity:

B. Define permeability:

C. If a material contains pores that are not connected, groundwater cannot move from one space to another. These materials are said to be? _________________________________________

D. _____ Soil has a % porosity of 50-60 while sandstone has a % porosity of 10-20, this means that:

a. sandstone has more spaces to store water b. soil has more spaces to store water

E. Label the water table, zone of aeration, and zone of saturation

F. Label the parts of the aquifer: unconfined aquifer, aquitard/confining layer, confined aquifer, water table

G. You change the oil in your car and dump it into the soil at would this affect the stream. Fully explain your answer.

H. What happens if the water table is above the ground level?

I. Does a parking lot allow for recharge? Why or why not?

Water table