Exploration learning with Discovery On Wheels will relate science to your students as a useful tool for exciting and active learning. Following is a list of exhibit concepts and a pre-visit activities which directly relate to Fifth Grade's Science Core Curriculum. Properties of Water -Identifying physical properties of water . Make sure that the magnets are positioned with unlike poles facing each other. Ask the students to scatter some of the iron filings over the surface of the paper.
Magnetic forces run from north to south.
They are strongest where the lines are closest together, at the poles. Since the iron filings are magnetized they are attracted to the magnetic field, showing the lines of force around the magnet. . Fill a small glass jar almost full with vegetable oil. Drop iron filings into the oil and stir the mixture with a stick so that the filings are evenly dispersed. Look into the top of the jar.