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
Skill Preview
2. Units and measurement
- Abbreviate force, energy, and electricity units
Skill Preview
- Abbreviate length, speed, and acceleration units
Skill Preview
- Abbreviate temperature, mass, and volume units
Skill Preview
- Estimate temperatures
Skill Preview
- Choose metric units of distance, mass, and volume
Skill Preview
- Choose customary units of distance, mass, and volume
Skill Preview
3. Designing experiments
- Identify control and experimental groups
Skill Preview
- Identify independent and dependent variables
Skill Preview
- Identify the experimental question
Skill Preview
- Identify questions that can be investigated with a set of materials
Skill Preview
4. Science practices and tools
- Identify laboratory tools
Skill Preview
5. Atoms and molecules
6. Velocity, acceleration, and forces
- Calculate speed from time and distance
Skill Preview
- Calculate distance from speed and time
Skill Preview
- Calculate time from speed and distance
Skill Preview
- Calculate speed, distance, and time I
Skill Preview
- Calculate speed, distance, and time II
Skill Preview
- Identify whether objects are accelerating
Skill Preview
- Predict forces using Newton's third law
Skill Preview
- Balanced and unbalanced forces
Skill Preview
7. Kinetic and potential energy
- Identify changes in gravitational potential energy
Skill Preview
- Explore energy transformations: bike ride
Skill Preview
8. Solutions
- Compare concentrations of solutions
Skill Preview
9. Astronomy
- Analyze data to compare properties of planets
Skill Preview
- Identify phases of the Moon
Skill Preview
- Analyze models of the Earth-Sun-Moon system
Skill Preview
10. Biochemistry
11. Fossils
- Compare ages of fossils in a rock sequence
Skill Preview
- New! Compare fossils to modern organisms
Skill Preview
12. Plant reproduction
- Flowering plant and conifer life cycles
Skill Preview
- Moss and fern life cycles
Skill Preview
13. Particle motion and energy
- How does particle motion affect temperature?
Skill Preview
- Particle motion and changes of state
Skill Preview
- Identify how particle motion affects temperature and pressure
Skill Preview
- How does particle motion affect gas pressure?
Skill Preview
14. Genes to traits
- Inherited and acquired traits: use evidence to support a statement
Skill Preview
- Genetics vocabulary: genotype and phenotype
Skill Preview
- Genetics vocabulary: dominant and recessive
Skill Preview
- Genetic variation in sexual reproduction
Skill Preview
15. Thermal energy
- Predict heat flow and temperature changes
Skill Preview
- Compare thermal energy transfers
Skill Preview
- How are temperature and mass related to thermal energy?
Skill Preview
16. Photosynthesis
- How do plants use and change energy?
Skill Preview
- Identify the photosynthetic organism
Skill Preview