Judge each claim about moving heat
Exercise and reference answers
- Questions
- Statement is true
- Yes
- Statement
- Energy moves from a hotter object to a colder one.
- Statement is true
- No
- Statement
- Radiation needs two objects to be touching.
- Statement is true
- Yes
- Statement
- Convection happens in liquids and in gases.
- Statement is true
- Yes
- Statement
- Dull black surfaces absorb radiant energy well.
- Statement is true
- No
- Statement
- Heat and temperature mean exactly the same thing.
- Statement is true
- Yes
- Statement
- Metals conduct energy better than plastics do.
- Instructions
- Tap true or false for each claim about how energy moves between hot and cold things.
Explanation
_Source: Siyavula Natural Sciences Grade 7 (CC BY 4.0), Radiation_