Chapter 11 Homework
1.Chemists use the term "metals" differently than we do in everyday conversation. How does a
chemist define a metal? Give two examples of elements from the most metallic elements that
we use in everyday life.
- In chemistry (as a chemi
PSC1121 UNIT 5 HOMEWORK
Use the following to answer questions 1-2:
It is not unusual for the lid of a jar be difficult to unscrew, especially for jars with glass bodies
and metal lids which have been kept in a refrigerator. A common trick is to run hot wa
Answer the questions by editing this document, and upload your completed answers to the
1. How much oil is consumed daily in the US in barrels? In gallons? How much of each
barrel is used to produce gasoline? Diesel?
Unit 6 activity: Hearing damage Worksheet
1.What parts of the body are damaged in order to cause Noise-Induced Hearing Loss (NIHL)?
According to the most recent research, how does this damage occur?
-The ears are affected by NIHL. The damage occurs due to
PRACTICAL Activity: Einsteins Theories of Relativity AND QUANTUM
Watch the video at
Use what you have learned to answer the following questions.
What is the central message of
1.Does a force applied to an object always produce motion? What can you figure out about
the forces on an object just by observing its motion?
A given force may not actually produce a change in motion because other