Cell Structure and Function
In the blanks provided, fill in the letters of the term or phrase being described.
1. flattened sac in a chloroplast
2. basic unit of life
3. group of cells that carry out
Dimensional Analysis Worksheet
1. Use Dimensional Analysis to solve the following problems.
a. How many seconds old are you? (Express with 2 sig figs in scientific notation.)
b. Convert your distance from school to home from miles to inches. (Express with
Name _ Class/Period _
Student Science Safety Contract
Science is a hands-on laboratory class. You will be doing many laboratory activities, which require the use of
potentially hazardous materials and equipment. A positive attitude toward safety is impera
On the Safety Circuit
A Factsheet on Home Electrical Fire Prevention
lectrical fires in our homes claim the lives of 485 Americans each year and injure 2,305
more. Some of these fires are caused by electrical system failures and appliance defects,
How do you use the ladder method?
4 km = _ m
1st Determine your starting point.
2nd Count the jumps to your
The Chemistry of Life
(Opening image courtesy of David Iberri, http:/en.wikipedia.org/wiki/File:CaMKII.png, and under
the Creative Commons license CC-BY-SA 3.0.)
Lesson 2.1: Matter and Organic Compounds
Lesson 2.2: Biochemical React
100 Key Math Concepts
for the ACT
On the ACT, undefined almost always means divia
sion by zero. The expression
is undefined if
either b or c equals 0.
A real number is a number that has a location on