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Apologia Physical Science Module 2 Links | Air

Updated on August 2, 2014

Module 2: Air

Links and experiments about the properties of air to supplement Module 2 of Apologia's Exploring Creation with Physical Science. It is recommended as an 8th grade middle school course, but may also be used for ninth grade or younger advanced students.This curriculum is popular in Christian schools and homeschools to learn the science necessary for advanced education. I pray that by the end of the course, you will more deeply appreciate the wonder of God's creation!

Love this poster? Find it HERE!

Do you have your Lab Supplies?

Goggles or safety glasses for eye protection!

You may need to order a bulb thermometer that reads above and below room temperature.

Save a plastic 1-liter soda pop bottle.

Don't forget a balloon!

Print the lab supply list above or at the Apologia website.

Still Need Books or Supplies? - Try an audio CD or reading on the computer instead!

The Air and Humidity - Pages 25-27



Log in and access teaching of the entire Apologia Physical Science course with labs, review quizzes, and exams! Watch the orientation (You must own the textbook).

SONG: What is Humidity?

From Singing Science Records: Weather Songs Humidity

Image courtesy of Worakit Sirijinda /

Love Singing Science Records? - Get the 6 CD Box Set!

Experiment 2.1: Evaporation and Temperature

Module 2 Experiment Blog

You will need:

A small glass

Two cotton balls

Tap water

A bulb thermometer (To read room temperature and slightly higher; it must have a bulb at the end.)

A small piece of plastic

Experiment 2.2: Oxygen and Fire

Module 2 Experiment Blog

You will need:

A reasonably large glass or jar

A candle


2 cups of hydrogen peroxide

Baker's yeast

A bottle (A plastic, 1-liter soda pop bottle, for example)

A balloon

A teaspoon

Experiment 2.3: Carbon Dioxide and the Greenhouse Effect

Module 2 Experiment Blog

You will need:

Thermometer (To read slightly higher and lower than room temperature.)

A large, clear Ziploc freezer bag (To fit thermometer)

Sunny windowsill


Baking soda


Parts Per Million

The number of molecules ( or atoms) of a substance in a mixture for every 1 million molecules (or atoms) in that mixture.

1%= 10,000 ppm

How did your experiments work out?

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