Use this to review for a test on Friday, April 29th, 2016

Grade 7 Science Test – Heat                                April 26^th

Describe what heat is.

Describe what temperature is.

The particles in an object speed _______ and spread ________ when heated.

Heat is transferred from a ______________ object to a _______________ object.

Explain what happens to the particles of an object when it is heated.  Use our simple diagram to help.

A car tire is fully blown up when you go to bed.  When you awake you notice the temperature is much cooler than the day before and that your tire is much flatter.  Explain what is happening.

A certain type of heat transfer involves the particles making direct contact with the particle beside it and passing heat that way.  This method of heat transfer is called __________________________

A certain type of heat transfer involves particles warming up, rising, and then being cooled and falling back down.  This method of heat transfer is called ___________________________

Give one example of conduction in the real world.

Give one example of radiation in the real world.

A spoon placed in a hot drink gets warm to the touch.  What method of heat transfer is at work?

Explain global warming.  Why should we be concerned?  Be sure to use heat in your answer.  A diagram may help also.