Contains two or more gaseous, liquid, or solid substances blended evenly throughout the mixture.

Why did the laser beam move when the magnet was placed near it

An atom in an excited state contains more of what type of energy than the same atom in the ground state

Which of the following lists the elements in order of increasing malleability? Question options: A, Se, Sb, Sn B. Sb, Sn, Se C. Sn, Sn, Se D. Se, Sn, Sb

Which type of energy transformation does not describe potential energy being changed into kinetic energy

You find that the unknown powder contains the illegal drug cocaine. If someone where to ask you to determine the purity of the substance, what would they mean? Why is purity important in crime investigations?

Facts about heat absorption and simple questions about heat absorption with answer

You measure a piece of wood with a meter stick and is it exactly one meter long. How many centimeters long is it?

When salt dissolved in water, what type of change occurs? A) physical only B) chemical only C) physical and chemical

Select all of the characteristics that define matter. A.) Matter has mass. B.) Matter has volume (takes up space). C.) Atoms and compounds are made out of matter. D.) All matter has the same density.

The science of observing and forecasting weather conditions is called