Science Experiments

Isaac and Makenna both had fun science experiments this week.  Isaac's was compelling enough that the girls wanted to get in on the fun.  He was testing different methods of reducing erosion from sand dunes due to wind.  He had a model city and dune and used a hairdryer for the wind.  He he had to set it up to test 6 different scenarios including nothing, small and large vegetation, wind straws, fences and oil.  The fences worked the best in our model.

Always wear your safety goggles.

Tall vegetation

Measuring displaced sand

Straw Pole Simulation

Makenna's was less involved, but she really liked it.  She is learning about vertebrates right now.  We did fish, amphibians, reptiles and then BIRDS!  She collected examples from the bottom of our birds' cage for her science journal of contour and down feathers.  But the experiment was to demonstrate what a bird's gizzard does.  She put some gravel in a baggie with some cherrios, raspberries, and bird seed.  Then squeezed the bag a few times to see how the stones helped speed up the process.