1.6 Flashcards
What are some of the jobs that use chemicals every day?
Farmers and healthcare workers.
- When we think of chemicals, what kind do we think of?
We usually think of synthetic chemicals made by humans.
- Where else do chemicals come from?
Nature
- What factors determine the use of chemical compounds?
Efficiency and Lower cost
- What happened to DDT? Why?
It was banned because it was harmful to the environment, it killed animals, and was known to cause cancer.
- Who is in charge of governing the use of chemicals?
FDA, EPA
- What are the four types of chemical hazards?
flammable, corrosive, reactive, and toxic
- What are the 4 categories that chemicals are rated by?
Health, flammability, reactivity, and contact.
9-10. Are all chemicals bad and good? Explain.
Some chemicals are bad and others are good. Such as water, which is H2O, meaning water is a chemical. Or medicine, which can help us get better. Yet, if chemicals are not used correctly they can harm the environment and people.
- What are natural chemicals?
Natural chemicals are formed in nature, not made by humans.
- Give an example of a natural chemical.
Oil is an example of a natural chemical resource.
- What are synthetic chemicals?
Chemicals that are made by humans are called synthetic chemicals. Example : polyester
- How do chemicals benefit society?
Medication, pesticides and plant nutrients, it helps us clean.
14 What are some risks of chemicals?
Side effects due to chemicals used in food, chemicals in fertilizers can harm the environment, they can harm our animals, when they’re making chemicals it pollutes our environment.
