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Grade 3
Adaptations
Animal Classification
Animal Parts
Animals
Building Blocks of Matter
Changing Ecosystems
Changing Seasons
Competition
Compound Machines
Conservation
Describing Weather
Ecosystems
Electricity
Erosion
Fast Changes on Land
Food Chains and Food Webs
Fossils and Fuels
Gravity
Heat
How Animals Grow
Landforms
Light
Living Things
Moon
Motion
Motion and Speed
Plant Life Cycles
Prey and Predators
Properties of Matter
Properties of Sound
Rocks
Simple Machines
Soil
Solids, Liquids, and Gases
Stored Motion
The Needs of Plants
The Sun and Its Planets
Water
Water Cycle
Weather Patterns and Change
Grade 4
Air, Wind, and the Atmosphere
Animal Survival
Animals with Backbones
Chemical Changes
Classification
Climate
Clues from Fossils
Earthquake Instruments
Ecosystems
Electricity
Electricity and Magnets
Energy
Extinct Animals
Fish
Go with the Flow
Heat Energy
Importance of Water
Insects
Life Cycles
Light
Machines
Measuring Matter
Ocean Currents
Plant Parts
Plant Uses
Recycling
Rocks
Sense of hearing
Shaping Earth's Surface
Soil
Solar System
States of Matter
Static Electricity
Systems
The Cells in Living Things
The Importance of Fighting Pollution
The Moon
Water Conservation
Water Cycle
What Matter Is Made of?
Grade 5
Acids and Bases
Animal Adaptation
Changes to River Systems
Chemical Changes
Climate Changes Caused by Human Activity
Clouds
Earth's Atmosphere
Ecosystems
Endangered Animal Species
Energy
Energy Sources
Flowers and Seeds
Force and Mass
Force and Motion
Fossils
Global Warming
Hearing Loss
History of Classification
Humidity
Importance of Plants
Interactions Among Living Things
Light
Light and Color
Limiting Factors
Minerals
Mirrors
Mixtures and Solutions
Mosses and Ferns
Newton's Law of Gravitation
Oceans
Organization of Cells, Tissues, and Organs
Plants as Seasons Change
Plants with Seeds
Plate Tectonics
Properties and Structure of Matter
Recycling and Waste Reduction Laws
Reflection and Absorption
Refraction of Light
Rocks
Soundproofing
Space Missions
States of Matter
Storms
The Atmosphere
The Solar System
Uses of New Compounds
Water Resources
Weather Forecasting
Wind
Grade 6
Acceleration and Momentum
Cell Processes
Cells of Your Body
Chemical Changes
DNA
Earth and the Sun
Earthquakes
Electric Circuits
Electromagnets
Elements and Atoms
Energy Resources
Erosion and Deposition
Forces and Motion
Fossils
Galaxies and Beyond
Genetic Disorders
How Heat Affects Matter
Inclined Planes
Inherited and Non-Inherited Traits
Levels of Organization
Levers
Life Expectancies and Life Spans
Missions to the Moon
Plant Conservation
Plate Tectonics
Properties of Matter
Risks and Benefits of Genetically Engineered Foods
Rocks
Soil
Space Exploration
Speed and Distance
Stars
Static Electricity
Temperature and Heat
The Biome Where You Live
The Effects of the Industrial Revolution on Water Ecosystem
Titan
Using Electricity
Venus
Viruses and Bacteria
Volcanoes
Ways Invertebrates Affect People
Work and Energy
Your State’s Game Commission