Understanding Thermometer Usage

This video tutorial explains how to accurately measure water temperature using a thermometer. It covers the correct placement of the thermometer in water, the importance of reading the thermometer at eye level, and precautions to ensure accurate readings. The tutorial emphasizes not touching the container's bottom with the thermometer, avoiding blowing on it, and not exposing it to heat sources. By following these guidelines, one can obtain precise temperature measurements.

What is the first step in using a thermometer to measure water temperature?

• Shake the thermometer vigorously.

• Grab the top of the thermometer.

• Place the thermometer horizontally in the water.

• Hold the thermometer by the bulb.

Why should the thermometer not touch the bottom of the container?

• It will make the water too hot.

• It could break the thermometer.

• It will give an inaccurate temperature reading.

• It will cool down the water.

How should your eyes be positioned when reading the thermometer?

• Far away from the thermometer.

• At the same level as the thermometer scale.

• Below the thermometer.

• Above the thermometer.

What happens if your eye level is above the thermometer when reading it?

• The reading will be higher than the actual temperature.

• The reading will be lower than the actual temperature.

• The thermometer will break.

• The reading will be the same.

Which of the following is NOT a precaution when using a thermometer?

• Heating the thermometer over a flame.

• Blowing on the thermometer bulb.

• Holding the thermometer by the bulb.

• Placing the thermometer in direct sunlight.