Many people worry about the effects of eating food which has been sprayed with chemicals.
Pollution in our environment is actually changing the chemistry of large bodies of water.
The fruit had been chemically treated to kill bacteria.
He works as a chemist in a large
pharmaceutical firm.
Ken lost his hair, and got quite sick during his chemotherapy treatments for cancer.
Who knows how many different chemicals there are in our water, mixing and forming all kinds of deadly compounds.
Life on earth probably began with simple chemical
reactions that happened naturally.
The young boy was injured when he mixed a couple of chemicals in the school laboratory, and the resulting mixture exploded.
Carl Jung once said that the meeting of two personalities is like the contact of two chemical substances; if there is any reaction,
both are transformed.
According to a recent report, there are more than one hundred different chemicals in a cup of coffee.
Gold is the sixteenth most rare of the chemical elements.
Chocolate contains the same chemical that your brain produces when you fall in love.
At least 100,000 different chemical reactions occur in the normal human brain every second.
The vapors or fumes of chemicals can irritate or burn the eyes and the lungs.
Chemically burned skin may become red, blistered or blackened, depending on how strong the material is.
In 1969, the Cuyahoga River in Ohio was so full of oil and chemicals that it actually caught fire.
In 1912, Professor L. Erskine Hill of London Hospital stated, "Experimental evidence is strongly in favor of my argument that the chemical purity of the air is of no importance."
Thousands of drugs and chemicals are used worldwide, and many of them end up in our water systems.
Some, though not all psychological disorders are accompanied by signs of abnormal brain chemistry.
Discussion question: Are you concerned about chemical additives in the food you eat?
Find someone who studied chemistry in high school.