IXL | Learn 3rd grade science (2024)

IXL offers dozens of third grade science skills to explore and learn! Not sure where to start? Go to your personalized Recommendationswall to find a skill that looks interesting, or select a skillplan that aligns to your textbook, state standards, or standardized test.

A. Materials

1

Identify properties of an object
2

Compare properties of objects
3

Compare properties of materials
4

Identify materials in objects
5

Identify multiple materials in objects

B. States of matter

1

Classify matter as solid, liquid, or gas
2

Identify solids, liquids, and gases
3

Sort solids, liquids, and gases

C. Phase change

1

Change-of-state diagrams: solid, liquid, and gas
2

Heating, cooling, and changes of state

D. Heat and thermal energy

1

Predict heat flow
2

Predict temperature changes
3

How is temperature related to thermal energy?

E. Physical and chemical change

1

Identify physical and chemical changes
2

Compare physical and chemical changes

F. Mixtures

1

Identify mixtures

G. Force and motion

1

Identify pushes and pulls
2

How do balanced and unbalanced forces affect motion?
3

How do mass and force affect motion?
4

Compare the speeds of moving objects

H. Light

•

New! How does light travel and interact with matter?

I. Electricity

1

Introduction to static electricity and charged objects

J. Magnets

1

Identify magnets that attract or repel
2

Label magnets that attract or repel
3

Compare strengths of magnetic forces

K. Classification

1

Identify living and nonliving things
2

Identify plants and animals
3

Identify mammals, birds, fish, reptiles, and amphibians
4

Identify vertebrates and invertebrates

L. Animals

1

Read animal life cycle diagrams
2

Construct animal life cycle diagrams
3

Compare stages of an animal's life cycle
4

Compare different animals' life cycles
5

Benefits of group behavior: North American caribou
6

Benefits of group behavior: African wild dogs
7

Benefits of group behavior: leaf-cutter ants
8

Human organs and their functions

M. Plants

1

Classify fruits and vegetables as plant parts
2

Identify plant parts and their functions
3

How do plants make food?
4

Read and construct flowering plant life cycle diagrams
5

How do flowering plants make new plants?

N. Traits

1

Observe and compare traits
2

What affects traits? Use observations to support a hypothesis

O. Adaptations

1

Introduction to adaptations
2

Animal adaptations: beaks, mouths, and necks
3

Animal adaptations: feet and limbs
4

Animal adaptations: skins and body coverings

P. Heredity

1

Match offspring to parents using inherited traits
2

Identify inherited and acquired traits
3

Inherited and acquired traits: use evidence to support a statement
4

Read a plant pedigree chart
5

Read an animal pedigree chart

Q. Ecosystems

1

Identify ecosystems
2

Describe ecosystems
3

Identify roles in food chains
4

How does matter move in food chains?
5

Interpret food webs

R. Rocks and minerals

1

Classify rocks and minerals by color, shape, and texture
2

Identify minerals using properties
3

Identify rocks using properties
4

Classify rocks as igneous, sedimentary, or metamorphic

S. Fossils

1

Introduction to fossils
2

Compare fossils to modern organisms
3

Compare ancient and modern organisms: use observations to support a hypothesis

T. Weather and climate

1

Read a thermometer
2

Compare temperatures on thermometers
3

Collect and graph temperature data
4

What's the difference between weather and climate?
5

Weather and climate around the world
6

Weather or climate? Cite text
7

Use climate data to make predictions
8

Use data to describe U.S. climates
9

Use data to describe world climates

U. Earth's features

1

Bodies of water
2

Water on Earth
3

Natural resources
4

Identify Earth’s land features

V. Earth events

1

Classify changes to Earth's surface I
2

Classify changes to Earth's surface II
3

Find evidence of changes to Earth's surface
4

Changes to Earth's surface: earthquakes
5

Changes to Earth's surface: volcanic eruptions
6

Changes to Earth's surface: erosion

W. Engineering practices

1

Solve problems using magnets
2

Evaluate multiple design solutions to prevent flooding
3

Identify the best design solution to prevent hurricane damage

X. Units and measurement

1

Choose units of time
2

Choose customary units of distance
3

Choose metric units of distance
4

Abbreviate time and length units
5

Abbreviate mass and volume units