Third Grade Science Vocabulary Cards and NGSS Big Idea Posters

Support your third grade science instruction with these Third Grade Science Vocabulary Cards and Big Idea Posters. This resource includes vocabulary cards and posters for Life Science, Physical Science, and Earth Science topics aligned with third grade NGSS standards.

The vocabulary cards are perfect for science word walls, pocket chart activities, small group lessons, matching games, and student review. The Big Idea Posters highlight essential science concepts with colorful pictures and clear, student-friendly wording, making them a helpful addition to any elementary science classroom.

What’s Included

This third grade science resource includes:

• 100+ science vocabulary cards
• Big Idea Posters for third grade science concepts
• Life Science vocabulary cards and posters
• Physical Science vocabulary cards and posters
• Earth Science vocabulary cards and posters
• Two vocabulary card formats
• Colorful visuals to support science understanding

Vocabulary Card Formats

The science vocabulary cards come in two useful formats:

• Picture, word, and definition cards – Great for small groups, matching activities, pocket charts, and hands-on vocabulary practice.
• Word and definition cards – Perfect for science word walls, bulletin boards, classroom displays, and student reference.

Life Science Vocabulary and Posters

The Life Science section includes:

• 56 vocabulary cards
• 33 Big Idea Posters

Topics include life cycles, plant structures, animal traits, ecosystems, food chains, fossils, adaptations, and survival.

Some included vocabulary words are:

• Life cycle
• Egg
• Larva
• Seed
• Root
• Stem
• Flower
• Leaf
• Fruit
• Cocoon
• Pupa
• Nymph
• Adult
• Metamorphosis
• Migrate
• Predator
• Prey
• Blubber
• Chlorophyll
• Photosynthesis
• Vertebrate
• Invertebrate
• Ecosystem
• Food chain
• Habitat
• Producer
• Consumer
• Decomposer
• Fossils
• Paleontologist
• Adaptation
• Mimicry
• Camouflage

Physical Science Vocabulary and Posters

The Physical Science section includes:

• 24 vocabulary cards
• 21 Big Idea Posters

Topics include forces, motion, magnetism, static electricity, and charges.

Some included vocabulary words are:

• Force
• Unbalanced force
• Balanced force
• Friction
• Gravity
• Motion
• Atom
• Electron
• Static electricity
• Attract
• Repel
• Negative charge
• Positive charge
• Magnetism
• Magnetic pole
• Static electricity shock

Earth Science Vocabulary and Posters

The Earth Science section includes:

• 27 vocabulary cards
• 13 Big Idea Posters

Topics include weather, climate, weather hazards, fronts, clouds, and the water cycle.

Some included vocabulary words are:

• Climate
• Climate zone
• Cloud
• Cold front
• Condensation
• Evaporation
• Lightning
• Meteorology
• Precipitation
• Thunder
• Warm front
• Water cycle
• Weather
• Weather map
• Weather hazard

Skills Covered

This resource helps students build understanding of:

• Third grade science vocabulary
• NGSS-aligned science concepts
• Life Science terms and big ideas
• Physical Science terms and big ideas
• Earth Science terms and big ideas
• Science word meanings
• Vocabulary-picture connections
• Scientific language
• Content-area reading
• Science discussion and writing

Ways to Use This Resource

Use these third grade science vocabulary cards and posters throughout your science instruction for:

• Science word walls
• Pocket chart matching
• Vocabulary review
• Small group science lessons
• Whole-group instruction
• Science centers
• Bulletin board displays
• Student reference tools
• Science notebook support
• Test review
• Unit introductions
• Spiral review

The two vocabulary card formats make it easy to choose the best version for your display, lesson, or student activity.

Why Teachers Love It

Teachers love this resource because it keeps important third grade science vocabulary and concepts organized and easy to access. The picture-word-definition cards help students make visual connections, while the word-definition cards are ideal for creating a clean and useful science wall.

The Big Idea Posters are a helpful way to introduce, reinforce, and review key NGSS science concepts during your Earth Science, Life Science, and Physical Science units.

Product Details

• Resource Type: Vocabulary cards and science posters
• Grade Level: Third grade
• Standards Connection: Third grade NGSS topics
• Science Areas: Life Science, Physical Science, and Earth Science
• Included: 100+ vocabulary cards and Big Idea Posters
• Best For: Science word walls, pocket charts, matching activities, science centers, review, and classroom displays

These Third Grade Science Vocabulary Cards and Big Idea Posters are a helpful NGSS-aligned science resource for teaching Life Science, Physical Science, and Earth Science vocabulary. With picture-word-definition cards, word-definition cards, and colorful Big Idea Posters, this printable resource is perfect for third grade science word walls, pocket chart activities, small group lessons, vocabulary review, and classroom science displays.