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| Eric and Ian using a balance scale to compare the mass of different objects. |
This year we are learning about matter, atoms, electrons, magnetic charge, static electricity, and electricity. We reviewed the three states of matter and went into more detail about how air takes up space and how vacuums are created. While ice fishing, we discussed why the properties of water are vital to life on Earth. For example, the density of frozen water allows fish to live in lakes in cold climates.
On a regular basis, we practice estimating and measuring lengths, volumes, mass, and temperatures of matter in various units/scales. Ian and Eric especially enjoy measuring their height with a tape measure and using their balances to find the largest cookies. Recently, Ian started reading our outside thermometer himself and using the temperature to dress appropriately.
Related activities include: making a compass with magnets, observing static electricity in wool socks from the dryer, and experimenting with warm/cold water, salt, and baking soda.
Books: Switch On, Switch Off by Berger; Electricity by Walker; What Is the World Made Of? All About Solids, Liquids, and Gases by Zoehfeld; Air is All Around You by Branley; Measuring Penny by Leedy
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