Seventh grade , Science
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. Units and measurement
- Choose customary units of distance, mass, and volume
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2. Designing experiments
- Identify independent and dependent variables
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- Identify the experimental question
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- Identify questions that can be investigated with a set of materials
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- Understand an experimental protocol about plant growth
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- Understand an experimental protocol about diffusion
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- Understand an experimental protocol about evaporation
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3. Science practices and tools
- Identify laboratory tools
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4. Engineering practices
- Evaluate tests of engineering-design solutions
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- Explore the engineering-design process: going to the Moon!
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5. Density
- Calculate density, mass, and volume
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6. Atoms and molecules
- What are atoms and chemical elements?
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- How are substances represented by chemical formulas and models?
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- Identify chemical formulas for ball-and-stick models
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- Describe the atomic composition of molecules
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- Classify elementary substances and compounds using chemical formulas
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- Classify elementary substances and compounds using models
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7. Waves
8. Chemical reactions
- Identify reactants and products
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- Describe energy changes in chemical reactions
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- Explore chemical structure and properties: soapmaking
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- Compare physical and chemical changes
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- Explore chemical structure and properties: food flavors
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9. Velocity, acceleration, and forces
- Calculate velocity from time and distance
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- Calculate distance from velocity and time
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- Calculate time from velocity and distance
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- Calculate velocity, distance, and time I
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- Calculate velocity, distance, and time II
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- Predict forces using Newton's third law
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- Balanced and unbalanced forces
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10. Kinetic and potential energy
- Identify changes in gravitational potential energy
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- Explore energy transformations: roller coaster ride
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- Explore energy transformations: bike ride
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11. Solutions
- Compare concentrations of solutions
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12. Classification and 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. Biochemistry
14. 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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15. Particle motion and energy
- How does particle motion affect temperature?
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- Identify how particle motion affects temperature and pressure
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16. Genes to traits
- Inherited and acquired traits: use evidence to support a statement
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- Genetics vocabulary: genotype and phenotype
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- Genetics vocabulary: dominant and recessive
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- Genetic variation in sexual reproduction
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17. Thermal energy
- Predict heat flow and temperature changes
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- Compare thermal energy transfers
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