2022-2023 Unit 2 Test Review

Sam is looking at a mineral in his science class. It is dull but conducts. It is mostly likely a

• metal

• non-metal

• metalloid

Pablo is looking an object in class. It is brittle and glassy. It is probably a

• metal

• non-metal

• metalloid

A computer company needs a material that allows heat and electricity through and is ductile. The BEST material to use would be a

• metal

• non-metal

• metalloid

What is the volume of the rock in the picture?

• 140 ml

• 50 ml

• 40 ml

• 100 ml

If you use a file, nail, penny, or your finger nail to see if it scratches a mineral, you are testing for

• color

• luster

• streak

• hardness

If you scratch a mineral across a tile to see if the mineral leaves a powdered line, you are testing for

• color

• luster

• streak

• hardness

If you are seeing how a mineral reflects light, you are testing for

• color

• luster

• streak

• hardness

If you have a piece of metal that has a mass of 16.8 grams and a volume of 2 ml. What metal is this piece made from?

• Aluminum

• Brass

• Copper

• Gold

Same mass doesn't always mean same density because

• you can have different weight

• you can have different volumes

• you can have different lusters

• you can have different streak

conductor, shiny like a metal, brittle

• metal

• nonmetal

• metalloid