p and c
breaking wood is a chemical or physical change?
physical change
you need to wear safety glasses on science class. True or False?
True
witch one has the more density. wooding block, water, or air?
wooding block
is metals good conductors or bad ones?
good conductors
what element is more common on earth crust oxygen or iron
oxygen
ice melts is it chemical or physical chance
chemical change
use a coat on a science lab True or False
True
witch one has more density honey or water?
honey
can metal stick to magnets True or False?
False
witch element is more rare iron or calcium?
calcium