Understanding the Triple Beam Balance

What is the function of the pan on a triple beam balance?

• To hold the object being weighed

• To adjust the zero mark

• To slide the riders

• To measure the mass of the object.

Fill in the blank: The _______ is used to adjust the balance to zero before weighing an object.

• Pan

• Zero Adjustment Knob

• Pointer

• Rider

Which part of the triple beam balance holds the riders?

• Pan

• Beams

• Pointer

• Zero Adjustment Knob

What is the purpose of the riders on a triple beam balance?

• To hold the object

• To measure the mass

• To adjust the zero mark

• To balance the beams.

Fill in the blank: The back beam has a 100 g scale with a _______ g rider.

• 0.1

• 10

• 50

• 100

What should you do first to ensure the balance is calibrated?

• Place the object on the pan

• Slide all riders to the leftmost positions

• Adjust the zero mark

• Weigh the object.

Fill in the blank: The middle beam has a 500 g scale with a _______ g rider.

• 0.1

• 10

• 100

• 500

What is the next step after placing the object on the pan?

• Adjust the zero mark

• Slide the 100-gram rider

• Slide the 10-gram rider

• Read the measurement.

Fill in the blank: The front beam has a 10 g scale with a _______ g rider.

• 0.1

• 1

• 10

• 100

What should you do if the pointer drops below the zero mark while sliding the 100-gram rider?

• Move the rider back one notch

• Slide the 10-gram rider

• Adjust the zero mark

• Weigh the object again.