# DDC Chapter 1

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# Links for the First Chapter

## Extra Help

Sample notebook entry for Experiment 1.1
This is an example of how to make a laboratory notebook enrtry for this experiment.

Sample notebook entry for Experiment 1.2
This is an example of how to make a laboratory notebook enrtry for this experiment.

Sample notebook entry for Experiment 1.3
This is an example of how to make a laboratory notebook enrtry for this experiment.
This video shows you how to read a metric ruler to the correct precision.

This video discusses making measurements and how significant figures relate the process.

This video discusses how to count significant figures in a number.

This video discusses adding/subtracting and multiplying/dividing using significant figures.

This video discusses is another discussion of significant figures. It starts by identifying them, and then it uses them in example problems.

This video discusses the metric system and tells you an easy way to remember what the main prefixes mean.

This video shows gives you a complete tutorial on converting between metric units using the factor-label method.

More on converting between units.

Still more on converting between units.

This gives several examples of coverting units of volume and area.

This video tells you how to convert into and out of scientific notation.

In this video, everyday people are asked about the difference between mass and weight.

This NASA video gives an in-depth look at the difference between mass and weight.

This video gives you a great visual for density. You can do this at home as well.

## Interesting Links Related to Chapter 1

This video tells the story of Archimedes and how he determined the composition of a crown.

Dr. Wile shows us that some bowling balls can float!

This guy might have too much time on his hands!

## Extra Problems for Chapter 1

More problems for Chapter 1
This gives you more problems that relate to Chapter 1. The answers are here.

More conversion problems
This gives you more practice converting metric units. Type in your answers and then hit “check.” Anything that is wrong is left open for you to try again.

Significant Figures problems
These problems give you more practice with significant figures.

Scientific Notation problems
These problems give you more practice converting between decimal notation and scientific notation.

More Conversion problems with squared units
This website has examples of converting squared units and then three problems at the end.

More Conversion problems with cubed units
This website has examples of converting cubed units and then three problems at the end.

More Density problems
These problems give you more practice with density. The ones you need to know are 12-15. The answers are linked right below problem 15.