solids
name a solid
name a liquid
water, coffee, juice, soda, etc
name a gas
inside of a balloon, air, farts, etc
what is made up of matter?
EVERYTHING!
name something that has reflectivity?
mirror, spoon, something shiny, etc
very close together
how are the molecules packed in liquids?
more loosely than solids
how are the molecules in a gas packed?
very loosely
what has more matter: a smartboard or a computer
smartboard because it is bigger and heavier
what has more hardness? a piece of chalk or a piece of metal?
Metal!
do solids have a certain shape?
yes!
do liquids have a certain shape?
no, they take shape of the container they are in
do gasses have a certain shape?
no, they fill up the room they are in
all matter has what two things?
Mass (weight) and takes up space
name something that has magnetism
a magnet on the fridge, a train, certain metals, etc
are soft things like pillows and blankets solids?
are things like a desk, a chair, a computer liquids?
NO! those are solids
are things like a computer and water a liquid?
no, those are solids and liquids!
what are particles that make objects up called?
atoms
what is electrical conductivity?
how well electricity can move through a material
how does a solid become a liquid
melting
how does a liquid become a solid?
freeze!
can you see gasses?
no!
what are the three phases of matter?
solid, liquid, gas
what is an example of thermal conductivity
cooking, roasting marshmellows, etc