SOAP POWER
Have you ever tried using soap to power a boat? This simple activity works because of "surface tension."
What you'll need
1 index card
Scissors
A baking dish (or sink full of water)
Liquid dish detergent
Your science journal
What to do
From an index card, cut out a boat like this. Make...
LOOK CLOSELY
Looking at objects closely is an important part of science, and a magnifying glass lets us see things we don't even know are there. It also helps us see how objects are similar or different from each other.
What you'll need
A magnifying glass
Your science journal
What to do - Use...
ATTACK OF THE STRAWS
Can a paper straw go through a raw potato? Here's an easy way to learn about inertia and momentum.
What you'll need
A raw potato
One or more paper straws
Your science journal
What to do
Put a potato on the table or kitchen counter and hold it firmly with one hand, making sure...