What should you do after placing the slide on the stage of a microscope?

• Adjust the light source

• Focus with the coarse adjustment knob

• Clean the lenses

• Use the fine adjustment knob

When measuring liquid in a graduated cylinder, at which part of the meniscus should you read the measurement?

• The top of the meniscus

• The bottom of the meniscus

• The middle of the meniscus

• It doesn't matter

Which of the following is a safety precaution when using a hot plate?

• Touching the surface to check if it is hot

• Using it near flammable materials

• Keeping the hot plate on a stable, heat-resistant surface

• Leaving it unattended while in use

What is the primary use of a spring scale in a laboratory?

• Measuring temperature

• Measuring mass

• Measuring force

• Measuring volume

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Which of the following best describes the function of a hand lens?

• Measuring the length of an object

• Magnifying small objects

• Measuring the mass of an object

• Heating substances

How should you properly use a meter stick to measure the length of an object?

• Start measuring from the 1 cm mark

• Start measuring from the 0 cm mark

• Start measuring from the middle of the stick

• It doesn't matter where you start

What is the correct way to read the measurement on a triple beam balance?

• Add the values from all three beams

• Read the value from the middle beam only

• Read the value from the largest beam only

• Subtract the smallest beam value from the largest beam value

Which of the following is the correct method to measure temperature using a thermometer?

• Hold the thermometer by the bulb

• Place the thermometer in direct sunlight

• Submerge the bulb in the substance being measured

• Shake the thermometer before use

How can you minimize errors when measuring liquid in a graduated cylinder?

• Read the measurement from above the meniscus

• Ensure the cylinder is on a flat surface and read at eye level

• Shake the cylinder before taking the reading

• Use a different type of container

When focusing a microscope, which adjustment knob should you use first?

• Fine adjustment knob

• Coarse adjustment knob

• Light adjustment knob

• Stage adjustment knob