Cool it and measuring tools 718 and 725

What is the freezing point of water in Celsius?

• -5°C

• 0°C

• 5°C

• 10°C

What is the purpose of a thermometer?

• To measure temperature.

• To measure humidity.

• To measure pressure.

• To measure speed.

What is the purpose of a graduated cylinder?

• To accurately measure the volume of liquids.

• To mix chemicals together.

• To heat substances to high temperatures.

• To filter solid particles from liquids.

What is the function of a washer in a mechanical context?

• To distribute load, reduce friction, or act as a spacer.

• To increase the weight of the assembly.

• To serve as a decorative element in machinery.

• To connect two different components permanently.

What is the formula for calculating volume of a rectangular prism?

• Volume = length + width + height

• Volume = length × width × height

• Volume = length × height × depth

• Volume = width × height × depth

What is the difference between mass and weight?

• Mass is the amount of matter in an object; weight is the force of gravity acting on that mass.

• Mass is the weight of an object in a vacuum; weight is the mass of an object on Earth.

• Mass and weight are the same; both refer to the amount of matter in an object.

• Weight is the amount of matter in an object; mass is the force of gravity acting on that weight.

What is this? (Image of a graduated cylinder)

• graduated cylinder

• beaker

• test tube

• Erlenmeyer flask

What unit is used to measure temperature?

• Kelvin (K)

• Celsius (°C)

• Joule (J)

• Pascal (Pa)

What is this? (Image of a thermometer)

• thermometer

• barometer

• hygrometer

• anemometer

Heat is the flow of ______ energy.

• mechanical

• nuclear

• thermal

• electrical