Leaves and Arches

For the first part of the year for science the little girls are doing plants. We are learning about leaves and trees right now (perfect for this time of year). A couple weeks ago we took the dog on a hike to a local park. It was a perfect day for a hike, the sun was out and the leaves are starting to change colors.

I do not think I need to say anything about this picture. Awwwww...

At home the following Monday the girls did leaf rubbings with the leaves we found. They really enjoyed that.

For history we were talking about Roman arches and aqueducts. We discussed how an arch makes structures much stronger. We built a "bridge" using a 4x6 card, some books and pennies. The 4x6 card did not hold many pennies at all before it buckled under the weight.

We added an arch under the bridge to see if it would indeed strengthen the bridge. Sure enough it did. The kids were amazed at how many more pennies the bridge could hold just by adding an arch under the bridge.