Across
- 4. A set of instructions that tells a computer or device what to do.
- 7. Digital programs that control a computer
- 9. Using energy from the Sun
- 10. Too much wate
- 11. To get data or files from the internet to your device.r covering land
- 12. Involving or relating to computers or electronic devices.
- 14. Power from moving electric charges
- 16. Power used to do work
- 18. A mobile phone with advanced functions
- 19. The natural world around us
- 20. A layer in the sky that protects us from the sun’s harmful rays.
Down
- 1. Harmful substances in air, water, or land
- 2. A machine that can work
- 3. A program used on a phone or computer
- 5. Reuse materials instead of throwing them away
- 6. A page on the internet with information or services.
- 8. The increase in Earth’s average temperature
- 13. Using science to help people
- 15. A global system for sharing information
- 17. A long period with little or no rain