Astronomy In-Class Activities/ 

 - Canada:  Pearson,  2008. 
 - 142 p.: 
<br/><br/><label>ISBN: </label>9780558377540 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy
<br/><br/><label>LC Class. No.: </label>QB 41 .A88 2008