Using+a+Triple+Beam+Balance



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[|Tutorial for Triple Beam Balance]


 * Objectives**
 * to learn the correct way to use a triple beam balance (TBB)
 * to learn the parts of the TBB
 * to take precise measurements when finding the mass of an object
 * to find the mass of known and unknown quantities
 * Materials**
 * labeled film canisters filled with different contents (different masses)
 * triple beam balances
 * lab sheet
 * pencil and eraser
 * Procedure**
 * Listen and watch carefully to video on how to use the triple beam balance
 * Listen and watch carefully to teacher demonstration
 * Click on tutorial for practice
 * You and a partner will share a triple beam balance
 * Check to see that balance is calibrated (pointer set to zero)
 * Turn adjustment knob accordingly until balance arm points to zero
 * Determine mass of empty film canister
 * Determine mass of unknown objects (canisters)
 * Remember to subtract mass of empty canister
 * Record canister letter and mass on lab sheet (Table 1)
 * Answer lab questions 1-4
 * Submit lab sheet
 * ~ Canister ||~ Mass - grams (g) ||
 * A ||  ||
 * B ||  ||
 * C ||  ||
 * D ||  ||
 * E ||  ||
 * F ||  ||
 * G ||  ||

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NETS - 1a, 1d, 3c, 5d [|National Educational Technology Standards] Science Standard 3.3 (Grades 6-8 Physical Sciences) Properties of Materials and Matter Appropriate tools and use of significant digits are needed to measure mass and volume. [|Massachusetts Science Frameworks]