Matter and Energy Flashcards
Any physical object that occupies space and has mass
Matter
Characteristics of a substance that are not affected by the amount or form
Intensive properties
Characteristics of a substance that is dependent on the amount or form
Extensive properties
Characteristics that are readily observable without a change in the composition
Physical properties
Characteristics that describe how it reacts when combined with other substances
Chemical properties
How much matter there is in an object. The object’s resistance to being accelerated by a force.
Mass
“Mass can neither be created nor destroyed.”
Law of Conservation of Mass
The force of gravity on the object
Weight
What is the Gravitational Acceleration on Earth’s surface
9.81 m/s^2
The amount of space an object occupies
Volume
The amount of matter packed into a given amount of occupied space
Density
Only alters the physical properties but retains chemical properties
Physical change
Alters the chemical properties of the material
Chemical change
Alters the identity of involved atoms
Nuclear changes
When two or more nuclei collide to form a new nucleus
Nuclear Fusion
When a nucleus splits into smaller nuclei
Nuclear Fission
Causes objet to change its motion
Forces
When a force applied to an object causes it to move along the same direction of the force
Work
Carried by electromagnetic waves
Radiant Energy
Energy in vibrating particles of matter that determine it’s temperature
Thermal Energy (Heat)
Energy carried by moving electrical charges
Electrical Fields
Energy in bonds between atoms and can be released with chemical reactions
Chemical Energy
Energy within an atom’s nucleus
Nuclear Energy
Energy in objects by virtue of their movement
Mechanical Energy
Stored energy that can cause movement depending on its position
Potential Energy
Energy in moving objects depending on their speed
Kinetic Energy
