Elements
The most abundant element in the world is this
Carbon
This force affects how crystals grow. A crystal may grow larger or smaller on other planets as a result of this force
Gravity
The molecular formula for water is
H2O
name one metal that cannot be Magnetized
aluminum
the smallest type of matter is known as an ______.
Atom
The second most abundant element in the world is this
What is Silicon
This type of crystal is made from one atom of Sodium and one atom of Chloride (NaCl)
salt
The three states of water are
solid liquid and gas
Name one metal that our bodies have and use
calcium, potassium, etc
the smaller parts that make up atoms with a positive electrical charge are called
a. neutrons
b. electrons
c. protons
d. photons
Protons
It's "transparent" to know that silicon is most widely used for this
What is Glass
this type of crystal is the hardest crystal in the world
diamonds
Ice floats on water because it is
expands as it freezes which makes it less dense
what is a relatively new technology that has only been around since the 19th century that is used instead of metal to build things because it is lighter and cheaper to produce
Plastic
Electrons have what type of electrical charge?
Negative
Gold
two ways crystals are used in our everyday lives
TV, building materials, salt, jewelry, etc
when you mix water with another substance it is known as
a Solution
Electricity passes easily through metal which means that metal is a good ____________.
conductor
the shape water takes when it freezes, like in snowflakes
hexagon
This process is used to identify the age of a material by measuring how much carbon is in the object since Carbon breaks down every 5700 years to have half as much as it originally did. The name of this process is called
carbon dating
This passes through liquid crystals to twist them around, blocking some lights in order to make an image appear on a screen
electricity
what is not an example of an mixture
-muddy water
-salad dressing
-salt
-chocolate chip cookies
salt
plastic or rubber is used to avoid electricity passing through a tool and into the person using the tool. This is known as an ________________.
insulator
how does a compass work?
the metal needle is drawn to the magnetic force of the North Pole