Heat conductivity
The physical property that makes metal good for cooking is ---.
Matter
----- has mass and takes up space (volume).
chemical and physical properties
Water always has the same ----- no matter what state it is in.
Characteristics
Chemical and physical properties are ----- used to describe matter.
states of matter
Solid, liquid, and gas are the three most common ------.
conducting electricity
The metal tungsten is used in incandescent light bulbs because of its property of -------.
Chemistry
---- is the study of matter and the changes in matter.
Chemical
The ability of iron to rust is a ---- property.
substance
A(n) ---- is a single kind of matter that has a specific composition.
flammability
Another term for the ability to burn is ------.
molecule
a ----- is the smallest part of a substance.
magnetic attraction
a mixture of iron and sand can be separated by -----.
Chemical combinations
Compounds are formed as a result of ------.
Heterogeneous
Salad dressing is an exampe of a ----- mixutre.
Element
The simplest type of substance is a(n) -----.
Properties
When elements combine to form compounds, their ---- change.
formula
The chemical ---- for water is H20.
mixture
Substances in a ---- keep their original properties.
separated
The substances in a heterogeneous mixture and usually be seen and easily ------.
kilogram
the SI unit of mass
milliliters
1 Liter = 1000 -----
less
An object weight is ---- on the moon than on Earth.
equal
An object mass is ---- on the moon as on Earth.
density
An oject that floats has a --- less than 1g/mL.
mass, weight, volume, density
The measurable properties of matter are
volume
The SI unit for ---- is cubic meters.
mass divided by volume
The formula for calculating density is ----.
Constant
Mass always remains---- no matter where an object is located or found.
sugar dissolving in water
--- is a physical change.
Iron Rusting
---- is a chemical change.
Butter melting in a pan
----- is a physical change that absorbs energy.
Chemical energy
---- is the energy stored in the bonds between atoms.
exothermic
--- change releases energy
New substances
---- are produced by a chemical change.
Temperature
---- is related to the energy of motion of the particles of matter,
Conservation of mass
The law of ------ states that chemical/physical changes do not create nor destroy matter.
Thermal energy
---- natrually flows from warmer to cooler matter.
Form or Appearance
The ----- of matter is physically altered during a physical change.