The picture above shows a frying pan. Why are frying pans usually made out of metal?
A.
because metal is a good conductor of heat
B.
because metal is a good conductor of electricity
C.
because metal is a poor conductor of heat
D.
because metal is a poor conductor of electricity

Which real-world scenarios below represent physical and chemical changes? -running a car -exploding fireworks -mixing water and powdered drink mix -combining oil and vinegar to make salad dressing -taking aspirin for a headache -diluting bleach with water-digesting dinner-spreading peanut butter on bread

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.

Consider the story you just read. all but one of the choices below indicate that something is living.