6th Grade Review Flashcards
Define Liquid
A state of matter that has a definite volume but not a definite shape
The formation of new substance such as iron rusting is an example of what type of change
Chemical
The movement of parts such as wind is an example of what type of energy
Mechanical
What force pulls objects toward the center of the earth
Gravity
The spreading of waves around obstacles
Diffraction
The distance from one crest to another crest is called
Wavelength
The bending of waves as they enter a new medium is called
Refraction
Heat from inside the earth is a form of what type of energy
Geothermal
How do solids liquids and gases differ
Liquid- definite volume not shape
Solid- definite volume and shape
Gas- no definite volume or shape
What makes wave lengths bigger
The bigger the space between the crests the bigger the wavelength
Why is tearing paper a physical change
It does not change the form it is still paper
Kinetic energy vs potential energy
Kinetic- in motion
Potential- stored energy
What is friction
The rubbing of an object against each other
As a touch burns what energy transformation is happening
Chemical to light
Or
Chemical to heat
Why does your hand feel cold while holding an ice cube
Heat flows from your hand to the ice cube
