Planet Earth is the name of our first unit of the year at 4th Primary. We will learn to find places in our planet with the longitude and latitude. You can have a look to this post that was published last year for third cycle students.
We are also studying the different movements of the Earth: revolution and rotation. Revolution causes seasons. Rotation produces day and night. Here you have a short video which explain it.
We are studying also the different layers of the Earth