True or False
Directions: Write TRUE if the statement is correct and FALSE if it is not.
______1. Heat is a form of energy.
______2. Sunlight is an example of radiation.
______3. Heat can only transfer in direct contact.
______4. A decrease in temperature means that an object is getting hotter.
______5. Heat always transfers from a hot object to a cold object.
______6. Warm molecules always rises.
______7. Plastic is a good conductor of heat.
______8. Gases and liquids are known as fluids.
______9. Convection can only take place on solid objects.
______10. No heat transfer occurs between two objects which are at the same temperature.
______11. Metal is a good conductor of heat.
______12. Absorption is not a method of heat transfer.
______13. Conduction is the transfer of energy by direct contact.
______14. Radiation can travel even without a medium.
______15. Glass is a good insulator of heat.
______16. Convection happens when there is a direct contact between two objects.
______17. Heat does not travel in solids, liquids and gases.
______18. Warm molecules sink while cold molecules rise.
______19. Convection is the transfer of heat by currents.
______20. Radiation is the transfer of heat through space.
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Answer:
1 TRUE
2 TRUE
3 FALSE
4 FALSE
5 TRUE
6 FALSE
7 FALSE
Explanation:
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