Lesson 17

What does the root 'therm' mean?

• Water

• Heat

• Light

• Sound

Fill in the blank: A _______ is a device that automatically adjusts the temperature in a room.

• Thermometer

• Thermostat

• Thermos

• Thermal

Which word means 'a condition in which the temperature of the body is very low'?

• Geothermal

• Hypothermia

• Thermal

• Thermos

Fill in the blank: _______ clothing is designed to keep you warm by preventing heat from leaving your body.

• Geothermal

• Hypothermic

• Thermal

• Thermos

What is a 'thermos'?

• A) A device to measure temperature

• B) A container that keeps liquids hot or cold

• C) A type of clothing

• D) A condition of low body temperature.

Fill in the blank: _______ power is the use of natural heat produced inside the Earth.

• Hypothermic

• Geothermal

• Thermal

• Thermos

What does the prefix 'hyper-' mean?

• Below

• Above

• Inside

• Outside

Fill in the blank: A person who is extremely active is described as _______.

• Hypersensitive

• Hyperactive

• Subconscious

• Hypodermic

Which word means 'having feelings that are very easily hurt'?

• Hyperactive

• Hypersensitive

• Subconscious

• Hypodermic

Fill in the blank: A _______ is a person who directs or manages a place, department, or organization.

• Superintendent

• Subconscious

• Hypodermic

• Thermostat