La Materia

• Se forma un sólido

• Se forman burbujas

• Los cambio de color

• Se genera calor y(o) una flama o se absorbe calor.

Tags

NGSS.MS-PS1-2

What is the basic unit of matter?

• Atom

• Molecule

• Compound

• Element

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Which of the following is a characteristic of a solid state of matter?

• Definite shape and volume

• Definite volume but no definite shape

• No definite shape or volume

• Definite shape but no definite volume

What is the process called when a solid changes directly into a gas?

• Sublimation

• Condensation

• Evaporation

• Melting

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

• Rusting of iron

• Melting of ice

• Boiling of water

• Breaking of glass

Tags

NGSS.MS-PS1-2

What is the term for the amount of matter in an object?

• Mass

• Volume

• Density

• Weight

Which state of matter has the highest energy?

• Gas

• Solid

• Liquid

• Plasma

What is the formula for calculating density?

Which of the following is a pure substance?

• Water

• Air

• Milk

• Saltwater

Tags

NGSS.MS-PS1-4

What is the term for a mixture where the components are not uniformly distributed?

• Heterogeneous mixture

• Homogeneous mixture

• Solution

• Compound