Mr. green gave his students a set of items.

they had a toothpick, pencil, paper clip, safety pin, nail, and dime. he also gave them a magnet. he told them to predict which items are magnetic.

how can they test their predictions?
a.
see which items stick to the magnet
b.
measure each of the items
c.
see which items stick to the pencil
d.
weigh each of the items

relative humidity is a measure of the amount of moisture in the air relative to the total amount of moisture the air can hold.

so d

the number of protons in the nucleus of a given element. has slight luster and conducts electricity at high temperatures like metal.but like a nonmetal,boron is brittle and does not conduct electricity well at low temperatures. in graphite, carbon is a soft,brittle solid.it is reflective,ductile,or malleable.