1:00
en
CR
12
light : The sun gives off _______________ and heat energy.
electrical : At night, the streetlights use ___________________ energy.
work : Energy is needed to do ____________.
food : Humans get energy from _____________.
stored : Fuels contain ________________ energy that can later be used to do work.
paraffin : Wood, coal, petrol, ________________, gas and candle wax are well-known fuels that contain stored energy.
chemical : Energy stored in fuels is called ___________________ energy.
source : Where something gets its energy from is called its _______________ of energy.
input : The starting energy of something is called the __________________ energy.
output : The energy that it changes to is called _______________ energy.
oxygen : Fuels will not burn without ___________________.
combustion : This burning process is called _____________________.
metabolism : The process in the human body whereby food is changed into energy is called ___________________.
Across:| 3. | The energy that it changes to is called _______________ energy. | | 4. | This burning process is called _____________________. | | 8. | The sun gives off _______________ and heat energy. |
| | 9. | Energy is needed to do ____________. | | 11. | Energy stored in fuels is called ___________________ energy. | | 12. | Fuels contain ________________ energy that can later be used to do work. |
| | Down:| 1. | The starting energy of something is called the __________________ energy. | | 2. | Where something gets its energy from is called its _______________ of energy. | | 5. | Fuels will not burn without ___________________. |
| | 6. | The process in the human body whereby food is changed into energy is called ___________________. | | 7. | At night, the streetlights use ___________________ energy. | | 10. | Wood, coal, petrol, ________________, gas and candle wax are well-known fuels that contain stored energy. |
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Across:| 3. | The energy that it changes to is called _______________ energy. | | 4. | This burning process is called _____________________. | | 8. | The sun gives off _______________ and heat energy. |
| | 9. | Energy is needed to do ____________. | | 11. | Energy stored in fuels is called ___________________ energy. | | 12. | Fuels contain ________________ energy that can later be used to do work. |
| | Down:| 1. | The starting energy of something is called the __________________ energy. | | 2. | Where something gets its energy from is called its _______________ of energy. | | 5. | Fuels will not burn without ___________________. |
| | 6. | The process in the human body whereby food is changed into energy is called ___________________. | | 7. | At night, the streetlights use ___________________ energy. | | 10. | Wood, coal, petrol, ________________, gas and candle wax are well-known fuels that contain stored energy. |
| |
© 2016
PuzzleFast.com, Noncommercial Use Only