Matter & Changes Quiz

Which of the following is NOT a physical state of matter?

• Solid

• Liquid

• Gas

• Heat

What is a physical change in matter?

• A change that alters the chemical composition of a substance

• A change that does not alter the chemical composition of a substance

• A change that can only be observed with a microscope

• A change that creates a new substance

Which of the following is an example of a chemical change?

• Melting ice

• Dissolving sugar in water

• Burning wood

• Freezing water

• Two hydrogen atoms and one oxygen atom

• One hydrogen atom and two oxygen atoms

• Two hydrogen molecules and one oxygen molecule

• One hydrogen molecule and two oxygen molecules

What is the law of conservation of matter?

• Matter can neither be created nor destroyed, but it can change forms.

• Matter is always being created and destroyed in chemical reactions.

• Matter can be created during physical changes but not destroyed.

• Matter can be destroyed during chemical changes but not created.

Which of the following is a compound?

• Oxygen

• Water

• Neon

• Iron

What is a mixture?

• A substance made of only one kind of atom

• A substance made of atoms of two or more different elements joined by chemical bonds

• A material made up of two or more different substances which are mixed but are not combined chemically

• A chemical reaction between two substances

Which of the following is an example of a homogeneous mixture?

• Salad

• Sand and iron filings

• Salt water

• Chocolate chip cookies

What does the symbol "Na" stand for in the periodic table?

• Nitrogen

• Neon

• Sodium

• Nickel

Which of the following is a characteristic of a chemical change?

• It can be easily reversed by physical means.

• It does not produce new substances.

• It involves the rearrangement of atoms to form new substances.

• It only involves changes in the state of matter.