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Grade 3 Science Lessons Online
Dinosaurs lived about 240 million years ago. While there are over one hundred types of dinosaurs, they fall into two main categories: carnivores and herbivores.
Nearly three-quarters of the earth's surface is covered in water; 97.5 percent of that is sea water. These oceans team with life. In this unit, students learn about the plants and animals that inhabit the sea.
Canada is a vast land that teams with wildlife. In this lesson, students are introduced to some of Canada's birds, trees and flowers.
Forests not only provide food and shelter to wildlife, they provide some of the oxygen we breathe and are a natural resource. All is takes for a mature forest to be destroyed is a flash of lightening, forest fire or a bulldozer. In this lesson, students learn about the life cycle of a forest, including deciduous, coniferous and rainforest.
Everything we eat comes from the soil in one way or other. It might be something that grows in the ground or something that eats things that grow in the ground. In this lesson, students are introduced to various types of soil as well as the materials, organic and inorganic from which it is composed.
Air and water are essential to human survival. This unit introduces students to the importance of these two essentials, as well as pollution.
In this unit, students are introduced magnets, polarity, and magnetic fields.
A basic rule of science is that nothing really disappears, it just changes shape or form. When things are burned, we are left with ashes and soot, some gases are released. In this unit, students study the nature and uses of fire, as well as temperature and thermometers.
Did you know that Pluto is now classified as a dwarf planet? In this unit, students take a look at our solar system.
Everyday we use simple machines. They help people do work more easily. This unit examines force, the inclined plane, levers, the screw, the wheel and axle, the wedge and pulleys.