Christian Light Science - LightUnit 407

Each LightUnit in this course takes about seventeen days to cover, providing work for a 170-day school year. Each LightUnit contains a self check for each section and a LightUnit test.

The ten themes, one per LightUnit, are as follows:

• 401 Plants
• 402 Animals
• 403 Man and His Environment
• 404 Machines
• 405 Electricity and Magnetism
• 406 Changes in Water
• 407 Weather
• 408 Our Solar System and the Universe
• 409 The Planet Earth
• 410 Understanding God’s Wonderful Creation

Answer keys are in list format and are required for the course. No teacher’s guide is provided; the reading level is simple enough for fourth graders to study on their own.