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"My grandmother's valuable were passed down through generations. "

"The light bulb filament is made of tungsten because the metal can withstand very high temperatures. "

"The chemical lab used sodium tungstate to create a dense solution for their experiments. "

"My doctor recommended I take a calcium supplement to strengthen my bones. "

"It is very important to give your daughter independence in her life so she learns from experience."

"I went to the park because the weather was nice. "

"The extract from the textbook was the most important part for the history test. "

"The editor composed a historical journal from many individual letters."

"The formula for calculating the area of a rectangle is length times width. "

"The geologist found a beautiful mineral specimen in the rock collection. "

"The miners worked hard extracting coal from the underground mine. "

"The scientist studied the chemical composition of the soil sample. "