Here is a list of science skills students learn in second grade! These skills are organized into categories, and you can move your mouse over any skill name to preview the skill. To start practicing, just click on any link. Smart Child Zone will track your score, and you will get immediate feedback as you practice!
1. Materials
- Compare properties of objects
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2. Units and measurement
- Choose customary units of distance
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- Choose metric units of distance
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- Choose customary units of mass
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- Choose metric units of mass
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- Choose customary units of volume
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- Choose metric units of volume
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- Abbreviate time, length, and speed units
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- Abbreviate mass, volume, and temperature units
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3. Physical and chemical change
- Compare physical and chemical changes
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4. Atoms and molecules
- Interpret ball-and-stick models
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- Match chemical formulas to ball-and-stick models
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- Count atoms in chemical formulas
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- Classify elementary substances and compounds using chemical formulas
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- Identify elementary substances and compounds using chemical formulas
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- Classify elementary substances and compounds using models
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5. Astronomy
- New! Identify phases of the Moon
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6. Cells
- Identify functions of plant cell parts
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- Identify functions of animal cell parts
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- Compare cells and cell parts
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7. Weather and climate
- What's the difference between weather and climate?
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- Weather and climate around the world
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- Use climate data to make predictions
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- Use data to describe climates
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8. Magnets
- Identify magnets that attract or repel
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- Compare magnitudes of magnetic forces
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9. Classification
- Identify mammals, birds, fish, reptiles, and amphibians
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- Identify vertebrates and invertebrates
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- Use evidence to classify mammals, birds, fish, reptiles, and amphibians
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- Use evidence to classify animals
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- Describe, classify, and compare kingdoms
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10. Mixtures
- Identify mixtures
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11. Matter and mass
- Calculate density
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12. Scientific names
- Identify common and scientific names
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- Origins of scientific names
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- Use scientific names to classify organisms
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13. Fossils
- Introduction to fossils
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- Identify and classify fossils
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- Compare fossils to modern organisms
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14. Lab tools and equipment
- Identify laboratory tools
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15. Topographic maps
- Read a topographic map
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16. Water cycle
- Describe and graph water on Earth
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17. Conservation and natural resources
- Science literacy: how can a community protect sea turtles?
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- Evaluate natural energy sources
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18. Ecosystems
- Identify ecosystems
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- Interpret food webs II
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- Describe ecosystems
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- Interpret food webs I
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- Identify roles in food chains
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19. Traits and heredity
- Identify inherited and acquired traits
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