7th Grade Matter

What is matter?

• Forms of energy

• Anything that has mass and volume

• Elements and compounds

• Subatomic particles

Tags

NGSS.MS-PS1-1

How many states of matter are commonly found on Earth?

• Two

• Three

• Four

• Five

What is an element?

• A pure substance that cannot be broken down into different types of substances

• A combination of two or more elements

• The building block of matter

• A chemical reaction

What is a chemical symbol?

• A one- or two-letter designation of an element

• An expression that shows the elements in a compound

• The smallest particle of an element

• A combination of protons and neutrons

What is a chemical formula?

• An expression that shows the elements in a compound

• A one- or two-letter designation of an element

• The smallest particle of an element

• A combination of protons and neutrons

Tags

NGSS.MS-PS1-1

What are atoms?

• The building blocks of matter

• The smallest particles of a compound

• Pure substances that make up all kinds of matter

• Particles that make up atoms

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

What are the three main types of subatomic particles?

• Protons, electrons, and neutrons

• Atoms, elements, and compounds

• Reactants, products, and compounds

• Mass, volume, and energy

Tags

NGSS.MS-PS1-1

What is a chemical reaction?

• A process in which substances change into different substances

• A change of color during a reaction

• A solid product produced in a reaction

• A transfer of energy as a result of a reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is a chemical change?

• A change that produces different materials than the ones we started with

• A change of color during a reaction

• A solid product produced in a reaction

• A transfer of energy as a result of a reaction

Tags

NGSS.MS-PS1-2

What are the visual clues that indicate a chemical reaction?

• A change of color, a gas produced, a solid product, and a transfer of energy

• A change of color, a gas produced, a solid product, and a change in temperature

• A change of color, a gas produced, a solid product, and a change in state

• A change of color, a gas produced, a solid product, and a change in volume

Tags

NGSS.MS-PS1-2