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How to learn Grade 2: Science

Mississippi academic standards: Science, Grade 2

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1. Earth and Space Science · Students will demonstrate an understanding of how humans use Earth's resources.

  1. Preventing Erosion: Compare multiple solutions designed to slow or prevent wind or water from changing the shape of the land
  2. Rapid earth changes: Use information from several sources to provide evidence that Earth events can occur quickly (earthquakes, volcanic eruptions) or slowly (erosion, mountain building)
  3. Earth Is Made of Rock: Understand that Earth is made of rock and other solid materials
  4. Natural resources: Obtain and combine information to describe that energy and fuels are derived from natural resources and that their uses affect the environment
  5. Rocks and soil: Recognise that soils are made from rocks and organic matter, and that different soils have different properties

2. Earth and Space Science · Students will demonstrate an understanding of the appearance, movements, and patterns of the sun, moon, and stars.

  1. Sun, Moon, and stars: Use observations of the sun, moon, and stars to describe predictable patterns such as the sun rising and setting, the moon changing shape, and stars appearing at night
  2. Sun, Moon & Stars: Identify the Sun, Moon, and stars as objects in the sky and describe basic differences: the Sun gives light and heat during the day, stars are tiny points of light at night, and the Moon can appear in both the day and night sky
  3. The Sun is a star: Know that the Sun is a star — the closest star to Earth — and that it is at the centre of our solar system, with all eight planets orbiting around it

3. Physical Science · Students will demonstrate an understanding of how the motion of objects is affected by pushes, pulls, and friction on an object.

  1. Pushes & Pulls: Understand that pushes and pulls are forces that can change the speed or direction of an object's motion, and compare the effects of different strengths and directions
  2. Friction & Surfaces: Compare how things move on different surfaces, noticing that some surfaces create more friction than others

4. Physical Science · Students will demonstrate an understanding of the properties of matter.

  1. States of Matter Vocabulary: Name and distinguish the three states of matter — solid, liquid, and gas — using properties vocabulary: hard, rigid, runny, flows, keeps its shape, fills its container; use 'change of state' to describe what happens when materials are heated or cooled
  2. Heating & Cooling Changes: Observe and describe that some materials change state when heated or cooled, and measure the temperature at which changes occur in degrees Celsius
  3. Testing Materials for Uses: Give reasons, based on evidence from comparative and fair tests, for the particular uses of everyday materials including metals, wood, and plastic
  4. Classifying Materials: Plan and conduct an investigation to classify different kinds of materials by their observable properties
  5. Solids, Liquids & Gases: Compare and group materials as solids, liquids, or gases based on their observable properties and behaviour

5. Life Science · Students will demonstrate an understanding of internal and external structures in plants and animals and how they relate to their growth, survival, behavior, and reproduction within an

  1. How animals adapt to environments: Identify how animals and plants are adapted to suit their environment and understand that adaptation may lead to evolution over time
  2. Structures for Survival: Construct an argument that plants and animals have internal and external structures that function to support survival, growth, behaviour, and reproduction

6. Life Science · Students will demonstrate an understanding of the interdependence of living things.

  1. Habitats & Basic Needs: Identify that most living things live in habitats to which they are suited and describe how habitats provide for basic needs and how organisms depend on each other

7. Life Science · Students will demonstrate an understanding of the interdependence of living things and the environment in which they live.

  1. Changing Environments: Recognise that environments can change and that this can sometimes pose dangers and challenges to living things

8. Life Science · Students will demonstrate an understanding of how living things change in form as they go through the general stages of a life cycle.

  1. Life Cycles of Organisms: Develop models to describe that organisms have unique and diverse life cycles but all share the common stages of birth, growth, reproduction, and death

9. Life Science · Students will demonstrate an understanding of the classification of animals based on physical characteristics.

  1. Animal Body Groups: Describe and compare the external body structure of common animals across groups (fish, amphibians, reptiles, birds, mammals)
  2. Animal Classification Vocabulary: Use vocabulary for classifying animals and describing life cycles — vertebrate, invertebrate, mammal, bird, reptile, amphibian, fish, insect, arachnid, larva, pupa, metamorphosis, gestation, offspring, complete metamorphosis, incomplete metamorphosis — and apply these correctly when sorting and comparing organisms
  3. Classifying Ocean Animals: Classify ocean animals into major groups: fish (breathe through gills, have scales), marine mammals (breathe air, warm-blooded, feed milk), and invertebrates (no backbone — jellyfish, octopuses, crabs, starfish)