8th Grade: 4th Quarter Final Exam Review

What is the 5th step in using a Triple-Beam Balance?

• The mass of the object is equal to the sum of the readings on the three beams.

• Slowly slide the rider along the front beam until the pointer stops at the zero point.

• Move the rider on the back beam notch by notch until the pointer again drops below zero. Move the rider back one notch.

• Move the rider on the middle beam notch by notch until the horizontal pointer on the right drops below zero. Move the rider back one notch.

What is the 4th step in using a Triple-Beam Balance?

• The mass of the object is equal to the sum of the readings on the three beams.

• Slowly slide the rider along the front beam until the pointer stops at the zero point.

• Move the rider on the back beam notch by notch until the pointer again drops below zero. Move the rider back one notch.

• Move the rider on the middle beam notch by notch until the horizontal pointer on the right drops below zero. Move the rider back one notch.

What is the 3rd step in using a Triple-Beam Balance?

• Move the rider on the middle beam notch by notch until the horizontal pointer on the right drops below zero. Move the rider back one notch.

• Move the rider on the back beam notch by notch until the pointer again drops below zero. Move the rider back one notch.

• Slowly slide the rider along the front beam until the pointer stops at the zero point.

• The mass of the object is equal to the sum of the readings on the three beams.

REFER TO THE PICTURE PROVIDED ABOVE. Identify the Triple-Beam Balance part d.

• Adjustment Knob

• Measurement Tray

• Rider

• Rider Beams

REFER TO THE PICTURE PROVIDED ABOVE. Identify the Triple-Beam Balance part a.

• Adjustment Knob

• Measurement Tray

• Rider

• Rider Beams

REFER TO THE PICTURE PROVIDED ABOVE. Identify the Triple-Beam Balance part b.

• Adjustment Knob

• Measurement Tray

• Rider

• Rider Beams

REFER TO THE PICTURE PROVIDED ABOVE. Identify the Triple-Beam Balance part c.

• Adjustment Knob

• Measurement Tray

• Rider

• Rider Beams

What is the 7th step in using a microscope?

• Looking through the eyepiece, very slowly turn the coarse adjustment knob until the specimen comes into focus.

• Look at the stage from the side. Carefully turn the coarse adjustment knob to lower the body tube until the lower-power objective almost touches the slide.

• Place a slide on the stage. Center the specimen over the opening on the stage. Use the clips to hold the slide in the place. CAUTION: Glass slides are fragile.

• Adjust the diaphragm. While looking through the eyepiece, adjust the mirror until you see a bright white circle of light. CAUTION: Never use direct sunlight as a light source.

What is the 6th step in using a microscope?

• Looking through the eyepiece, very slowly turn the coarse adjustment knob until the specimen comes into focus.

• Look at the stage from the side. Carefully turn the coarse adjustment knob to lower the body tube until the lower-power objective almost touches the slide.

• Place a slide on the stage. Center the specimen over the opening on the stage. Use the clips to hold the slide in the place. CAUTION: Glass slides are fragile.

• Adjust the diaphragm. While looking through the eyepiece, adjust the mirror until you see a bright white circle of light. CAUTION: Never use direct sunlight as a light source.

What is the 5th step in using a microscope?

• Looking through the eyepiece, very slowly turn the coarse adjustment knob until the specimen comes into focus.

• Look at the stage from the side. Carefully turn the coarse adjustment knob to lower the body tube until the lower-power objective almost touches the slide.

• Place a slide on the stage. Center the specimen over the opening on the stage. Use the clips to hold the slide in the place. CAUTION: Glass slides are fragile.

• Adjust the diaphragm. While looking through the eyepiece, adjust the mirror until you see a bright white circle of light. CAUTION: Never use direct sunlight as a light source.