jamal found an unusual rock in his school yard. give two examples of measurement he could take that might help him identify the type of rock

Would density help?

nooo

color, luster, hardness, etc.

For more, check this site.

http://www.rocksforkids.com/RFK/identification.html

thank you

You're welcome.

can you answer another question for me please.

Yes, we can answer other questions but I suggest you make it a new post. And for the record, density WILL help.