Vocabulary List: Renewable Green Energy for 2nd Grade

Overview

• Grade Level: 2nd Grade
• Topic: Renewable Green Energy
• Number of Words: 15

Vocabulary Words

1. Renewable

   • Definition: A resource that can be replaced or restored naturally over time.
   • Example: Solar energy is renewable because the sun will keep shining every day.
   • Part of Speech: adjective
   • Synonyms: sustainable, replenishable

2. Energy

   • Definition: The power that makes things work or move.
   • Example: We use energy to turn on the lights in our home.
   • Part of Speech: noun
   • Synonyms: power, fuel

3. Solar

   • Definition: Relating to the sun; energy that comes from sunlight.
   • Example: Solar panels convert sunlight into electricity.
   • Part of Speech: adjective
   • Synonyms: sun-based, sun-powered

4. Wind

   • Definition: Moving air that can be used to generate energy.
   • Example: The wind turns the blades of wind turbines to produce electricity.
   • Part of Speech: noun
   • Synonyms: breeze, air current

5. Hydro

   • Definition: Relating to water; energy produced from water movement.
   • Example: Hydro power plants use flowing water to create energy.
   • Part of Speech: adjective
   • Synonyms: water-based

6. Turbine

   • Definition: A machine that generates energy from wind or water movement.
   • Example: The turbine spins when the wind blows, producing electricity.
   • Part of Speech: noun
   • Synonyms: generator, machine

7. Biomass

   • Definition: Organic material, like plants and animal waste, that can be used for energy.
   • Example: Biomass energy is made from things like leftover food and wood.
   • Part of Speech: noun
   • Synonyms: organic matter

8. Geothermal

   • Definition: Relating to the heat from the Earth's interior; energy from hot water or steam.
   • Example: Geothermal power uses heat from underground to generate electricity.
   • Part of Speech: adjective
   • Synonyms: earth heat

9. Conserve

   • Definition: To save something or use it wisely to prevent waste.
   • Example: We should conserve energy by turning off the lights when we leave a room.
   • Part of Speech: verb
   • Synonyms: save, preserve

10. Sustainable

    • Definition: Able to be maintained or continued without harming the environment.
    • Example: Sustainable energy sources help protect our planet for the future.
    • Part of Speech: adjective
    • Synonyms: eco-friendly, green

11. Pollution

    • Definition: Harmful substances in the environment that can damage it.
    • Example: Reducing pollution helps keep our air and water clean.
    • Part of Speech: noun
    • Synonyms: contamination, waste

12. Carbon Footprint

    • Definition: The total amount of greenhouse gases produced by human activities.
    • Example: Taking the bus instead of driving can lower your carbon footprint.
    • Part of Speech: noun
    • Synonyms: environmental impact

13. Fossil Fuels

    • Definition: Natural substances like coal and oil that take millions of years to form and can harm the environment when used.
    • Example: Fossil fuels are not renewable and can contribute to pollution.
    • Part of Speech: noun
    • Synonyms: coal, natural gas, oil

14. Electricity

    • Definition: A form of energy made by the flow of electric charge, used to power devices.
    • Example: Electricity powers our homes, lights, and computers.
    • Part of Speech: noun
    • Synonyms: power, current

15. Greenhouse Gases

    • Definition: Gases in the atmosphere that trap heat and contribute to warming the planet.
    • Example: Reducing greenhouse gases is important to slow down climate change.
    • Part of Speech: noun
    • Synonyms: climate gases

16. Clean Energy

    • Definition: Energy that does not pollute the environment, like solar or wind power.
    • Example: Clean energy sources help keep our air free from harmful smoke.
    • Part of Speech: noun
    • Synonyms: renewable energy, green energy