. April 2, 2019 – Page 2 – Articels
Advertisements
Uncategorized

Growing Bacteria For Science Fairs

petri-dish


Testing for bacteria (germs) can be a great idea for a science fair experiment since there are so many possibilities for science questions, and because because carrying out the experiment is pretty easy using bacteria growing kits, (and yes, we …

Uncategorized

Bend a Bone with Vinegar

You will need

A jar large enough to fit a chicken bone
A chicken bone – a leg or “drumstick” bone works best
Vinegar

What to do

1. Have a nice chicken dinner and save a bone. Leg bones work …

Uncategorized

Make a Cartesian Diver

Download the PDF

You will need

A clear ONE liter plastic soda bottle and cap (not the big 2 liter bottle)
A ball point pen cap that does not have holes in it
Some modeling clay (“sculpey” works too)

What

Uncategorized

Make a Simple Duck Call

You will need

One plastic straw from your kitchen or local fast food restaurant
Scissors
Lungs (don’t worry you already have them)

What to do

1. Use your fingers to press on one end of the straw to flatten it …

Uncategorized

BUILD YOUR OWN PERSONAL FOG TORNADO!

You will need

A copier paper box
A small 12 volt computer fan from a computer or electronics store. It should be at least 3×3 inches (8cm X 8cm).
A piece of clear plastic 10 X 17 inches (25cm X43cm) …

Uncategorized

BUILD A TABLETOP HOVERCRAFT!

You will need

An old CD or DVD disc
A 9” balloon
A pop-top cap from a liquid soap bottle or a water bottle
A hot glue gu

What to do

If you are using the cap from a water …

Uncategorized

Rapid Color Changing Chemistry!

YOU WILL NEED

Sometimes it’s hard to tell SCIENCE from MAGIC – and this little demonstration is a great example of that. In this experiment you will watch an almost clear liquid suddenly turn dark blue in a flash. It …

Uncategorized

The Magic Ketchup Experiment!

Amaze you friends and family when you make a pack of ketchup float and sink at your command while it’s sealed inside a bottle! It looks like magic, but it’s totally science.

You will need

  • A 1 liter plastic bottle
Uncategorized

The Lincoln High Dive!

You will need

A Lincoln penny (or other small coin)
A piece of card stock or stiff paper
A film canister, baby food jar, or other similar size container with an mouth slightly larger than a penny
Pencil or pen…

Uncategorized

The Incredible Hoop Glider!

You will need

  • A regular plastic drinking straw
  • 3 X 5 inch index card or stiff paper
  • Tape
  • Scissors

What to do

  1. Cut the index card or stiff paper into 3 separate pieces that measure 1 inch (2.5 cm) by