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Skills available for Mississippi third-grade science standards

Standards are in black and IXL science skills are in dark green. Hold your mouse over the name of a skill to view a sample question. Click on the name of a skill to practice that skill.

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1 Apply concepts involved in a scientific investigation.

2 Explain concepts related to objects and materials, position and motion of objects, and properties of magnetism.

3 Describe the characteristics, structures, life cycles, and environments of organisms.

4 Develop an understanding of the properties of Earth materials, objects in the sky, and changes in Earth and sky.

  • a Recall that soil is made up of various materials (weathered rock, minerals, plant and animal remains, living organisms.)

  • b Compare and contrast changes in the Earth's surface that are due to slow processes (erosion, weathering, mountain building) and rapid processes (landslides, volcanic eruptions, earthquakes, floods, asteroid collisions).

  • c Gather and display local weather information such as temperature, precipitation, clouds, etc., on graphs and use graphs of weather patterns to predict weather conditions.

  • d Identify the causes and effects of various types of air, land, and water pollution and infer ways to protect the environment.

  • e Identify patterns in the phases of the moon, describe their sequence, and predict the next phase viewed in the night sky.

  • f Describe the different components of the solar system (sun, planets, moon, asteroids, comets.)

    • Gravitational attraction of the sun

    • Phases of the moon

    • Constellations

  • g Explain how fossil records are used to learn about the past, identify characteristics of selected fossils, and describe why they may be found in many places.

    • The Earth Science Museum at the Petrified Forest in Flora, MS

    • The Natural Science Museum in Jackson, MS