Fourth grade science

IXL offers more than 100 fourth grade science skills to explore and learn! Not sure where to start? Go to your personalized Recommendations wall to find a skill that looks interesting, or select a skill plan that aligns to your textbook, state standards, or standardized test.

IXL offers more than 100 fourth grade science skills to explore and learn! Not sure where to start? Go to your personalized Recommendations wall to find a skill that looks interesting, or select a skill plan that aligns to your textbook, state standards, or standardized test.

A. Materials

  1. 1
    Compare properties of objects
  2. 2
    Compare properties of materials

B. Matter and mass

  1. 1
    Calculate density
  2. 2
    Understand conservation of matter using graphs

C. States of matter

  1. 1
    Identify and sort solids, liquids, and gases
  2. 2
    Change-of-state diagrams: solid, liquid, and gas
  3. 3
    Heating, cooling, and changes of state

D. Heat and thermal energy

  1. 1
    Predict heat flow
  2. 2
    Predict temperature changes
  3. 3
    How is temperature related to thermal energy?

E. Physical and chemical change

  1. 1
    Identify physical and chemical changes
  2. 2
    Compare physical and chemical changes

F. Mixtures

  1. 1
    Identify mixtures

H. Electricity and magnets

  1. 1
    Introduction to static electricity and charged objects
  2. 2
    Identify magnets that attract or repel
  3. 3
    Label magnets that attract or repel
  4. 4
    Compare strengths of magnetic forces

I. Energy transformation

  1. 1
    Energy transformation

K. Scientific names

  1. 1
    Identify common and scientific names
  2. 2
    Origins of scientific names
  3. 3
    Use scientific names to classify organisms

N. Adaptations

  1. 1
    Introduction to adaptations
  2. 2
    Animal adaptations: beaks, mouths, and necks
  3. 3
    Animal adaptations: feet and limbs
  4. 4
    Animal adaptations: skins and body coverings

Q. Ecosystems

  1. 1
    Identify ecosystems
  2. 2
    Describe ecosystems
  3. 3
    Identify roles in food chains
  4. 4
    How does matter move in food chains?
  5. 5
    Interpret food webs

R. Natural resources

  1. 1
    Evaluate natural energy sources

W. Astronomy

  1. 1
    Shadows
  2. 2
    Earth’s rotation and orbit
  3. •
    New! Day and night
  4. •
    New! Brightness of the Sun and other stars
  5. 3
    Identify phases of the Moon
  6. •
    New! Identify constellations

X. Engineering practices

  1. 1
    Evaluate multiple design solutions to prevent flooding
  2. 2
    Identify the best design solution to prevent hurricane damage

Z. Earth events

  1. •
    New! Changes to Earth's surface: earthquakes
  2. •
    New! Changes to Earth's surface: volcanic eruptions