Science, Grade 4
New Brunswick · Grade 4 · Science — the complete curriculum-aligned outline, taught skill by skill by MapleMind's AI tutor.
Unit 1: The Earth's Crust
The Earth's crust: its composition as the planet's outer layer of igneous, metamorphic, and sedimentary rock; the two types of crust (oceanic and continental); and the rock, tectonic, and water cycles.
- Composition of the crust
- Oceanic and continental crust
- Rock, tectonic, and water cycles
Unit 2: Changes in Earth Surface
How Earth's surface changes: rapid changes caused by volcanoes, earthquakes, and landslides, and slow changes caused by weathering, erosion, and deposition.
- Rapid changes to the surface
- Slow changes: weathering, erosion, deposition
- Forces that change Earth's surface
Unit 3: Rocks
Rocks: the three types (sedimentary, igneous, metamorphic), fossils as evidence of the past, how rocks form, and the physical properties used to describe them.
- Three types of rock
- Fossils as evidence
- How rocks form
- Physical properties of rocks
Unit 4: Minerals
Minerals: scientific tests used to examine them (crystal structure, Mohs hardness, lustre, magnetism, streak, conductivity) and how combining several properties helps identify a mineral.
- Scientific testing of minerals
- Identifying minerals
Unit 5: Soils
Soils: how soil forms through weathering, erosion, and the decomposition of plant and animal remains, and the physical properties of soil such as texture, porosity, and its capacity to support plant growth.
- How soil forms
- Physical properties of soil
Unit 6: Uses of Earth Resources
Earth's resources: how the characteristics of natural resources make them useful, and the difference between renewable and non-renewable resources.
- Why natural resources are useful
- Renewable and non-renewable resources
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