Root Word Test #4 Review

Match the root word to its definition

• Break

• Therm

• Star

• Astr

• Measure

• Meter

• Heat

• Rupt

To measure air pressure, you'll need a (a)   .

• barometer
• thermometer
• astronomer
• thermostat

An ​ (a)   studies space from Earth, while an ​ (b)   actually travels to space.

• astronomer
• astronaut
• asteroid
• asterisk

Match the vocabulary words to their definitions.

• To break or make worse

• Rupture

• To break or crack

• Interrupt

• To break in during the middle of something

• Disruptive

• Breaking up someone's concentration or normal way of doing something

• Erupt

• To break out or burst; send rocks, ash, and lava into the sky

• Corrupt

Match the following vocabulary words with their definitions.

• The profession of measuring and examining someone's eyesight

• Symmetry

• The measure of the distance through the center of a circle

• Optometry

• A device that measures air pressure and predicts changes in weather

• Diameter

• The measure of the outside edges of an area or surface

• Barometer

• Measuring the same on both sides

• Perimeter

Match the following vocabulary words to their definitions.

• A condition where your body temperature is dangerously low

• Thermos

• Related to the heat produced by the Earth

• Thermal

• Of or related to heat; designed to keep you warm

• Thermostat

• A container that keeps food/drinks warm

• Geothermal

• A device that adjusts the heat in a room

• Hypothermia

Match the following vocabulary words to their definitions.

• A minor planet traveling in space

• Astronomical

• Huge

• Asterisk

• A person who travels to the stars

• Astronomer

• A person who studies the stars

• Asteroid

• A star symbol

• Astronaut

If you go to Yellowstone National Park, you might be able to see a ​ (a)   pool. At night, you might need to wear ​ (b)   clothing to keep you warm if you camp there. Don't forget to bring a ​ (c)   to keep your drink warm!​

• geothermal
• thermal
• thermos
• thermostat
• hypothermia

In math, you might study shapes to see if they are ​ (a)   . You will also learn how to find the ​ (b)   of a circle and how to calculate the ​ (c)   of a square or rectangle.

• symmetrical
• diameter
• perimeter
• barometer
• optometry

The student was asked to leave the room when their behavior became too ______.

• corrupt

• interrupt

• disruptive

• rupture