Oil And Water - Science Experiments - Science - oil floats on water when they are liquids, however, water gets less dense as it crystallizes. So, during the freezing process, the water starts floating on the oil, and once frozen, the oil is on the bottom.
50 Homeschool Science Experiments (that cost next to nothing)
Soloar System Snack: Sun: mandarin orange, top sliced off and peeled but not separated Mercury: a red grape Venus: celery Earth: kiwi Mars: strawberry Jupiter: pepperoni Saturn: cheddar cheese Uranus: a slice of string cheese Neptune: ham Pluto: (No longer technically a planet) corn
History is one of the easiest subjects to teach for free. We live in an age where information is readily available and costs nothing. All you need to know is where to get it and how to deliver it in a memorable way.