Question

karas science class has just finished a lesson where they learned the similarities and differences of solids, liquids, and gases. the next day karas science teacher displayed four types of substances. which substance does not have a definite shape, size, or volume?
a metal
b milk
c air
d glass

Explanation:

Metals are solids at room - temperature (except mercury). Milk is a liquid, air is a gas, and glass is an amorphous solid. Solids have a definite shape. Liquids take the shape of their container and gases have no definite shape. Since milk is a liquid, it does not have a definite shape.

Answer:

b. milk