Crystal Lattice and Amorphous Solids

What is a crystal?

• A pure material that can’t be changed.

• Material with a regular,repeating arrangement of atoms.

• A foggy like material.

An amorphous solid has a definite melting point.

• True

• False

Both gases and liquids are fluids.

• True

• False

A state of matter with a definite volume, but no definite shape is a(n) _______.

• liquid

• solid

• gas

The ____ of a gas is the force of its outward push divided by the area of the walls of its container.

• pressure

• gravity

• surface tension

• structure

All solids have a closely packed, fixed arrangement of particles.

• True

• False

The _______ is a measure of the average speed of the particles in a substance.

• temperature

• density

• volume

• mass

Tags

NGSS.HS-PS1-5

NGSS.HS-PS3-2

Which form of matter keeps its shape?

• solid
• liquid
• gas
• slime

Tags

NGSS.5-PS1-3

Which form of matter keeps its shape?

• solid
• liquid
• gas
• slime

Tags

NGSS.5-PS1-3

Which of these is true?

• Solids hold their shape.
• Liquids hold their shape.
• Gases hold their shape.
• Penguins eat pineapples.

Tags

NGSS.5-PS1-3