Matter and its Interactions

Which of the following is a sign of chemical change?

• change of state

• change of shape

• change of color

• dissolving

Tags

NGSS.MS-PS1-2

Particles in a solid

• move quickly and are far apart

• move slowly and are far apart

• vibrate and are far apart

• vibrate and are very close together

According to the data table, which substance would float in water? (CHECK ALL THAT APPLY!)

• gasoline

• gold

• aluminum

• ice

Tags

NGSS.MS-PS1-2

During a physical or chemical change, which of the following always remains the same?

• volume

• mass

• molecular structure

• odor

Tags

NGSS.MS-PS1-5

In a chemical equation, the formulas to the right of the arrow are called ___________________

• subscripts

• coefficients

• reactants

• products

If thermal energy is added to a substance, the substance will change ___________________

• color

• state

• size

• molecules

Tags

NGSS.MS-PS1-4

Which of the following are physical properties? (CHECK ALL THAT APPLY!)

• state of matter

• flammability

• magnetism

• ability to rust

Tags

NGSS.MS-PS1-4

Which is an example of a chemical change?

• water boiling

• mixing kool-aid and water

• melting butter

• digesting food

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Calculate density. Mass = 12 grams Volume = 4 milliliters (use the proper abbreviations for units!)

What is the correct formula for the diagram in the picture?

• COCa

• OCOCa

• CaCO₃

• CaOC

Tags

NGSS.MS-PS1-1