Matter
Name the tiny particles of which matter is made
Mass is usually measured in this
What is the kilogram
The relationship between the mass of a substance and its volume
What is Density
How a substance is used depends on its
Properties
The states of matter can be changed by what?
What is adding or removing heat
__ are the features of matter that do not involve chemical reactions
What are Physical Properties
Is a force caused by the downward pull of gravity
Mass per unit of volume
What is the formula for Density D=M/V
Ability to reflect light
What is luster
Temperature at which a solid becomes a liquid
What is melting point
Name 4- physical properties of matter
temperature, conductivity, volume, density, melting point, freezing point, boiling point, mass, state, color
We do not measure large amounts of substances in science, so the unit of __ is used more frequently
What is grams (g)
Can be reshaped easily
what is malleability
Are a combination of metal and another substance
Temperature at which a liquid becomes a solid
what is freezing point
What are the 4 states of which matter can exist?
What are solid, liquid, gas and plasma
Humans and other animals are 70% water, with the exception of what
Sharks
Can be stretched without breaking
What is Ductility
Occurs when the particles of a gas come into contact with a cool substance, they change back into a liquid.
What is condensation
Occurs when a gas changes directly into a solid
What is deposition
Take the shape of their container, do not form crystals, are not dense, are compressible/can be squashed, can be poured, and vary in volume
What is a gas
An astronaut's ___ does not change with location.
Mass
Ability to withstand pressure
What is Strength
Most are silvery white, copper is orange, gold is yellow
what is color
Some substances such as dry ice do not have a liquid state. Instead, these substances move directly from a solid to the gaseous state. This process is called
What is sublimation