Ohaus PRIMER BALANCE Manual Manual do Utilizador

PRIMER BALANCE ACTIVITY GUIDE Primer Balance Accurate, simple to use, easy to clean and student proof. Your students' first introduction to

10small things OBJECTIVE: To gain an awareness of how the mass of familiar objects compares to one gram. MATERIALS: Primer Balance 10 to 15 one gram

11the average egg OBJECTIVE: To use averages to make decisions related to how an object is categorized. MATERIALS: Primer Balance 3 small and 3 larg

12paper towels OBJECTIVE: To solve problems that require accurate comparisons of mass. MATERIALS: Primer Balance One-gram mass pieces 3 or 4 differe

13balancing with water – i OBJECTIVE: To discover the special relationship that exists between the weight and the volume of water. MATERIALS: Primer

14balancing with water – ii OBJECTIVE: To measure the mass of an object by using a volume of water as the basis of comparison. MATERIALS: Primer Bal

15other activities Duplicate the following activities and assign them as motivators. ORANGE JUICE How much juice can you get from an orange? See if

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PRIMER® BALANCE ACTIVITY GUIDE INTRODUCTION Children develop measurement concepts through interactions with objects in their environment. They gain th

USING THE PRIMER® BALANCE The Primer Balance is rugged and can be used by students with the knowledge that it will not be damaged through normal use.

4does it balance? OBJECTIVE: To make accurate comparisons of the mass of two similar objects. MATERIALS: Primer Balance Pairs of objects that have s

5fruits and vegetables OBJECTIVE: To use a balance to order objects by mass. MATERIALS: Primer Balance One each: Banana Apple Grapefruit Potato Lem

6nails OBJECTIVE: To make comparisons of mass using a nonstandard unit of measure. MATERIALS: Primer Balance Six small paper cups Enough of the foll

7how many cards? OBJECTIVE: To make comparisons of mass using a nonstandard unit of measure. MATERIALS: Primer Balance A deck of playing cards Some

8a lump of clay OBJECTIVE: To gain an awareness of the relation that exist between the space occupied by material (volume) and the mass of that mater

9heavy water OBJECTIVE: To use the mass of a liquid to make comparisons of mass with solid materials. MATERIALS: Primer Balance Metric measuring cup