1.3 Thinking Like a Scientist
An Experimental Approach to Science
The word chemistry comes from the word _alchemy_.
Alchemists were concerned with searching for a way to change other metals, such as
lead, into gold.
Alchemists developed the tools and te
El During the celebration Pentecost, the Apostles were
filled with the holy spirit .
CI The Holy Spirit turned the Apostles from scored,
timidr discouraged followers into confident
zeolous herolds of the Good News.
III This is why the Pen
Name Sarah Henson
3.2 Units of Measurement
Measurements are fundamental to the experimental sciences.
Using SI Units Scientists use an internationally recognized system of units to
communicate their findin
What Is Chemistry?
Why is the scope of chemistry so vast?
Matter _Anything that has mass and occupies space_
The trees, the water, and the buildings in the figure are all examples of matter.
Chemistry answers many questions you may have abo
Chapter 4.1 Defining the Atom
Early Models of the Atom
How did the concept of the atom change from the time of Democritus to the time of John Dalton?
An _atom_ is the smallest particle of an element that retains its identity in a chemical reaction.
Name Sarah Henson
MEASUREMENTS AND THEIR
Convert measurements to scientific notation
Distinguish among the accuracy, precision, and error of a measurement
Identify the number of significant figures in a
Chapter 2 Review Questions
Who was Stephen, what group executed him, and for what
He was a disciple of Jesus and was the first martyr. He was accused of
blasphemy and was stoned to death by the Romans, Saul ordered his
Sarah Henson ch. 3 vocab
1. measurement: a quantitative description that includes both a number and a unit
2. scientific notation: an expression of numbers in the form m x 10n, where m is
equal to or greater than 1 and less than 10, and n is an integer
Use with Section 3.2
Use Figure 1 to answer the following questions.
1. Cylinder A is used to measure liquids up to 4 mL. To what number of significant figures could liquids be measured
using cylinder A?
THE INTERNATIONAL SYSTEM OF
List SI units of measurement and common SI prefixes
Distinguish between the mass and weight of an object
Convert between Celsius and Kelvin temperature scales
Connecting to Eduroam
This document outlines the steps required for connecting to Eduroam from a laptop loan
device that are available from lapsafe lockers in UCL library locations.
1. Click the wireless icon shown in the Windows taskbar once: