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This animal can sleep up to 20 hours a day and lives in Australia.
What is a koala?
Labor Day is celebrated on this day every year.
What is the first Monday in September?
This type of rock forms when molten material cools.
What is igneous rock?
This pedal is used to slow down a car.
What is the brake?
Many plastic products are made from this resource.
What is petroleum?
This tool is used to measure temperature.
What is a thermometer?
Labor Day honors people who do this for a living.
What is work?
This gemstone, often clear, is one of the most common minerals on Earth.
What is quartz?
This is used before making a turn.
What is a turn signal?
This symbol is often found on plastic containers to identify the type of plastic used.
What is the recycling triangle?
This invention allowed voice to transmitted over long distances.
What is the telephone?
Labor Day weekend is often considered the unofficial end of this season.
This type of rock forms from layers of small rocks.
What is sedimentary rock?
This road sign shape is uniquely used to indicate that drivers must stop.
What is an octagon?
This term describes tiny plastic particles less than 5 milimeters in size.
What are microplastics?
This metal has the chemical symbol Fe.
What is iron?
This city hosted one of the earliest Labor Day parades in 1882.
What is NYC?
Granite is commonly composed of quartz, feldspar, and this.
What is mica?
This term describes the area around a vehicle that cannot be directly seen in the mirrors.
What is a blind spot?
This type of plastic softens when heated and can be reshaped multiple times.
What is a thermoplastic?
This branch of science studies heredity.
What is genetics?
This organization is formed by workers to collectively negotiate with employers.
What is a labor union?
This type of rock forms when existing rock is altered by heat and pressure.
What is metamorphic rock?
This type of road has high speed limits.
What is a highway?
This chemical process joins many small molecules called monomers into long chains that form plastics.
What is polymerization?