2005 Fall Q1 Warm-Ups
Date Questions
8/21-22
  1. What are the prefixs used in the metric system? (Those noted in class)
  2. What does each prefix mean?
8/23-24

8/25-28

Convert the following:

1.)

  • 2.5 km = ____cm
  • 130 l= _____ kl
  • 3300 cm3 = ____ l
  • 25 g = _____ km

2.)

  • what is the curve at the top of the liquid called?
  • What is the volume in this drawing?
 How Much?
 
9/1-4
  1. What is the difference between quantative and qualtative observations? Give an example of each.
  2. In the lab where you counted how many drops fit onto a coin, why was it important for the number of drops in each trial to be close in number of drops? (b) what is the distance between number of drops called, and what is it a measure of?
9/5-6
  1. Explain what the difference between a control group and a non-control group is?
  2. Which variable in an experi,ment do you control and manipulate?
  3. What is data?
9/7-8

1.) a. What is an (experimental ) control? (b) What is data?

2) Period X performed an experiment with 2 beakers of water. They took the temper of bothe beakers, then heated 1 beaker up. Finally the class took the temp of both beakers every 30 seconds.

a) What is the beaker of unheated water called?

b) What is the time data called?

c) What is the temperature data called?
Data for 2 beakers of water
Time (s)

Temp (heated)

C0

 Temp Non-Heated C0
0 22 22
30 45 22
60 72 22
90 97 22
120 100 100

 

 
9/22-25
  1. What is the mathametical formula for density?
  2. A ball has the mass of 0.25 kg and a volume of 200 ml. (a) what is the density of this ball and (b) will this ball float?