Measuring Mass with a Triple-Beam Balance

What is the primary purpose of the tray on a triple beam balance?

• To hold the weights

• To place the object being measured

• To calibrate the balance

• To display the measurement

Which beam on the triple beam balance measures in increments of hundreds?

• The front beam

• The middle beam

• The back beam

• None of the beams

What should you check before starting to measure with a triple beam balance?

• If the object is clean

• If the balance is well balanced

• If the weights are in place

• If the tray is empty

What does it mean if the two white lines on the balance are level?

• The balance is ready for measurement

• The balance is not calibrated

• The object is too light

• The object is too heavy

When measuring the mass of an object, which rider should you start with?

• The smallest rider

• The middle rider

• The largest rider

• Any rider

What should you do if the balance drops below zero after moving a rider?

• Move the rider back to its previous position

• Adjust the smallest rider

• Remove the object and start over

• Add more weight to the tray

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

How do you achieve more precise measurements with the front rider?

• By adjusting the middle rider

• By moving it in large increments

• By using the notches

• By moving it in small increments

Which rider allows for the most precise measurement?

• None of the riders

• The front rider

• The back rider

• The middle rider

What is the mass of the rock if the measurements are 100, 60, and 6.4?

• 160.4 grams

• 166 grams

• 164 grams

• 166.4 grams

What unit is used to measure mass on a triple beam balance?

• Grams

• Ounces

• Pounds

• Kilograms