What's New: Science Worksheets and Study Guides

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Force, motion and energy Fourth Grade Science
Cells, tissues and organs Fifth Grade Science
Invertebrates - Animals without Backbones Fourth Grade Science
All about animals First Grade Science
Human body First Grade Science
Rocks and minerals Fourth Grade Science

National STEM Standards for Third Grade Science

STEM.S. SCIENCE: Next Generation Science Standards (NGSS)


3-ESS2. Earth’s Systems
Students who demonstrate understanding can:
3-ESS2-1. Represent data in tables and graphical displays to describe typical weather conditions expected during a particular season.3-ESS2-2. Obtain and combine information to describe climates in different regions of the world.


3-LS1. From Molecules to Organisms: Structures and Processes
Students who demonstrate understanding can:
3-LS1-1. Develop models to describe that organisms have unique and diverse life cycles but all have in common birth, growth, reproduction, and death.
3-LS2. Ecosystems: Interactions, Energy, and Dynamics
Students who demonstrate understanding can:
3-LS2-1. Construct an argument that some animals form groups that help members survive.
3-LS4. Biological Evolution: Unity and Diversity
Students who demonstrate understanding can:
3-LS4-1. Analyze and interpret data from fossils to provide evidence of the organisms and the environments in which they lived long ago.


3-PS2. Motion and Stability: Forces and Interactions
Students who demonstrate understanding can:
3-PS2-2. Make observations and/or measurements of an object’s motion to provide evidence that a pattern can be used to predict future motion.3-PS2-4. Define a simple design problem that can be solved by applying scientific ideas about magnets.