23-Aug-13
How do earthquakes cause damage?
Acceleration is usually the problem:
Sudden movement of fault leads to seismic
waves, which travel to earths surface =
earthquake ground motion (EGM)
EGM causes a building to vibrate.
Vibration has several asp
SCI 301
Fall 2009
Stress, Strain, and Elastic Modulus Practice Problems
1) What is the stress on a 2 m2 pillar that is placed under a perpendicular load of 45,700 N?
Stress = F/A
2) Calculate the change in length of that pillar, given that its original le
STRESS
perpendicular force per unit area
Compression, tension
units = pascals (Pa) = N/m2
Acts linearly, as long as elastic limit or failure
stress arent exceeded.
Will cause a change in length of object
Stress = F/A
STRAIN
Compares change in lengt
HELIUM
neutron
LITHIUM
BERYLLIUM
The Periodic Table
http:/www.chemicalelements.com/
Element name
beryllium
Atomic number
4
Symbol
Be
Atomic weight
(mean relative mass)
9.0122
Isotopes: different forms of
the same element.
Same number of protons,
but diffe
Quick recap of ionic and covalent
bonds see website below
http:/web.jjay.cuny.edu/~acarpi/NSC/5-bonds.htm
Whats the difference between a
compound and a mixture?
COMPOUND
2 or more elements in a fixed ratio
bonded together, so
can only be broken down by
A Consideration of Forces
and Static Equilibrium
Or, what you need to think about so your house doesnt
fall down.
What is a force?
Simple definition: a push or a pull on an
object.
2 types: contact and non-contact
Contact caused by direct physical cont
SCI 301
Fall 2009
Static Equilibrium Practice Problems
Some helpful hints: 1) draw a diagram of what the problem says is happening. 2) list the info you
do know, and what you are looking for. 3) choose the formula(s) that will help you find the missing
in
Alex Schjang
Dr. Janelle Rossington
SCI 301
4/1/16
Breaking concrete lab report
Introduction
The purpose of this lab is to test the flexural strength of concrete. As well as measuring
the workability of the concrete mixtures. Concrete is a mixture of ceme
SCI 301
Study guide for the final exam and extra credit portfolio directions
Spring 2016
Exam: Friday, May 6th, 5:15-7:15 pm, RTP 226
Use the below as a guide with your lecture notes, homework questions, and practice problems. Try
reworking the problems w
SCI 301 more electricity practice problems
Fall 2010
1. A transformer has 60 turns on the primary and 1500 turns on the secondary.
a. Is this a step up or step down transformer?
b. If 240 VAC is applied to the primary, what is the voltage across the secon
Questions on the Readings: Waste Management Septic Systems
(due by 5 pm on Mar 16; earlier submissions welcome)
Septic Systems powerpoint
1) Why is a septic system needed, other than the smell and aesthetic issues? You should be able to
find at least two
KEY - More practice:
1) The average body surface area of an adult is 1.73 m2. What a) pressure and b) force would be exerted
on an adult who dove down 3 m in a freshwater lake?
a) P = gh
P = (1000 kg/m3)(9.8 m/s2)(3m)
P = 29,400N/m2
b) F = PA
F = (29,400N
SCI 301: Fluid Statics and Dynamics Lab partial key
This lab exercise consists of several stations. Carefully record all measurements and observations at each
station and write down your ideas and explanations. Pay special attention to any questions.
STAT
SCI 301 practice problems
Spring 2009
1. A heavy-duty flashlight runs on 2 D-cell batteries, each 1.5 V. You insert the batteries one after
another. The bulb in the flashlight is rated to produce 5 W. What current passes through the bulb,
and what is its
SCI 301: Statistics and rainfall worksheet
1. Find the average value and the standard deviation for the exam scores that are below.
80, 70, 90 100, 55
(80+70+90+100+55) = 79 average or mean
5
(80-79)2+(70-79)2+(90-79)2+(100-79)2+(55-79)2
5
1+81+121+441+57
SCI 301
Fall 2009
Fluid Statics and Dynamics Practice Problems
For problems 1-3, = 1000 kg/m3; for problem 4, = 1030 kg/m3.
1) At a depth of 20 meters what is the pressure that the surrounding water exerts on you?
use P = gh
P = (1000 kg/m3)(9.8 m/s2)(20
Hakim Potter
SCI 210
Daily Temperature and Sky Cover Variation
Red Hook Daily Temperature and Sky Cover Variation
The purpose of this analysis is to determine whether or not there is a significant
difference between the morning and afternoon temperatures,
SCI 301: Applications of Science in the Natural World
Theme: Designing Your Island Home
Spring 2016, St. Croix campus
Welcome to Science 301, the final course in UVI's General Education Science sequence. The general
focus of this course will be:
Examinat
The Lab Report on Concrete: Expectations and Guidelines
DUE DATE: in lab on Apr 2-3
Note: The part highlighted in yellow is the portion that should be done as a draft and submitted Feb 20-12.
Introduction: This section should be two to three paragraphs lo
Table 2. Science 301 Applications in Science Spring Semester 2016. Data table for six (6) week force test.
Grou
p
A
Cod
e
A1
A2
A3
B
B1
B2
B3
C
C1
C2
C3
D
D1
D2
D3
E
E1
E2
E3
F
F1
F2
F3
G
G1
G2
G3
H
A1
B1
E1
Water
Cement
Sand
Small Ag
Control
Control
Cont
Table 1. Science 301 Applications in Science Spring Semester 2016. Data table for one (1) week force test.
Grou
p
A
Cod
e
A1
A2
A3
B
B1
B2
B3
C
C1
C2
C3
D
D1
D2
D3
E
E1
E2
E3
F
F1
F2
F3
G
G1
G2
G3
H
A1
B1
E1
Water
Cement
Sand
Small Ag
Control
Control
Cont
Name
240ml
2 cylinders/mix
total=6 cylinders/group
1 part = 40 ml 2 parts = 80 ml 3 parts = 120 ml 4 parts = 160 ml
Water
Cement
Sand
Small Ag
A
code
Control
1
3
4
A1
Control
1
4
3
A2
Control
2
2
2
A3
B
Water
B1 Salt H2O
B2 Salt H2O
B3 Salt H2O
Cement
1
1
Battery Laboratory
You should read Batteries under the Chemistry section of this module before coming to the lab. You will
investigate six different batteries in this exercise. The instructor will introduce how you will build your
own electrochemical cell
The Scientific Method, or, How to Design an Experiment
The basics:
1) Come up with a question you wish to answer.
2) Formulate a hypothesis based on your question. This will allow you to design an experiment that
will provide evidence to support or refute
Name
240ml
2 cylinders/mix
total=6 cylinders/group
1 part = 40 ml 2 parts = 80 ml 3 parts = 120 ml 4 parts = 160 ml
2 Weeks
SAT LAB
Length of
cylinder (cm)
Cement Beach Sand
1
3
1
4
2
2
Small Ag
4
3
2
22
27.5
28
Cement Beach Sand
1
3
1
4
2
2
Small Ag
4
3
Circuits Laboratory
This series of experiments provides a good visual connection to how current flows in circuits and how
current, voltage, and power (lamp brightness) are related.
Equipment:
A six volt battery or protected power supply, three six volt la
Checking an assignment for plagiarism using SafeAssign
Plagiarism is academic dishonesty and must be avoided; however, many students dont set out to
intentionally plagiarize. The following describes how to use a tool to check your assignment for
plagiaris
SCI 301
Force lab
Spring 2012
In this lab exercise, you will attempt to show that static equilibrium is achieved when the sum of the
forces acting on a body equal zero. The "body" will be a small, gray, metal ring. You will be working
in pairs.
Equipment: