Modeling Matter

What is the definition of a Molecule?

• A molecule is a single atom.
• A molecule is a type of chemical reaction.
• A molecule is a mixture of different substances.
• A group of atoms joined together in a particular way.

Tags

NGSS.MS-PS1-1

What is the definition of an Atom?

• An atom is a type of subatomic particle found in the nucleus.
• An atom is a molecule made of two or more elements.
• A tiny piece of matter that is too small to see.

• An atom is a person whose name is also spelled Adam.

Tags

NGSS.MS-PS1-1

What is the definition of the word Mixture?

• Matter that is made of more than one substance.

• A mixture is a solution that dissolves completely in water.
• A mixture is a chemical reaction between two elements.
• A mixture is a single substance with uniform composition.

What is the definition of the word Substance?

• Matter that is made of only one kind of atom or molecule.

• A measurement of weight.
• A synonym for liquid.
• A type of chemical reaction.

What is Chromatography?

• Chromatography is a method for cooking food.
• Chromatography is a type of musical instrument.
• Chromatography is a process for measuring temperature.
• A technique that scientists use to separate mixtures into their parts.

What is the definition of a Medium?

• A medium refers to a specific genre of art.
• A medium is a type of physical object.
• The material or substance through which something moves.

• A medium is a measurement of size or volume.

Tags

NGSS.MS-PS4-2

What is the definition of the word Attract?

• To repel or push away from oneself.
• To remain stationary and not move.
• To confuse or mislead someone.
• To pull on an object, even without touching it.

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

What is the definition of the word Dissolve? 

• To mix two liquids together.
• To create a solid from a liquid.
• To heat a substance until it evaporates.
• To mix evenly into a liquid by breaking apart into pieces that are too small to see.

If a solid dissolves in a liquid, what do we call it?

• Soluble

• Suspension
• Compound
• Mixture

What happens when a solid substance dissolves in a liquid substance?

• The molecules from the solid and liquid attract.

• The solid substance remains unchanged.
• The solid substance becomes a gas.
• The liquid substance evaporates completely.

Tags

NGSS.MS-PS1-2