1. What do you call the study of living things?

chemistry

biology

physics

astronomy

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2. What do you call the number equal to 6.02 x 10^23 particles?

Boyle’s number

Charles’ number

Avogadro’s number

Newton’s number

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3. What part of the lungs are called air sacs?

windpipe

trachea

nostrils

alveoli

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4. Where are the smallest bones in the human body found?

heart

brain

hand

ear

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5. What wavelength of the visible spectrum has the highest frequency?

violet

red

yellow

white

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