Unit 7 Science Flashcards
anything that takes up space
matter
anything that you can observe or measure directly
Physical property
A measure of how heavy an object is
weight
the amount of space an object takes up
volume
the only type of matter found on earth that can be found naturally in all three states
water
a change that causes matter to look different but does not change the matter itself
physical change
a change that creates a different type of matter
chemical change
to evenly mix one type of matter with another type of matter
dissolve
the combination of two or more types of matter
mixture
a mixture where all the different parts are evenly mixed
solution
does not take up a definite amount of space
gas
has a definite shape
solid
does not have a definite shape
liquid & gas
has more energy than the other two states of matter
gas
has less energy than the other two states of matter
solid
hamburger meat is shaped into a patty
physical change
a hamburger patty is cooked on a grill
chemical change
sugar dissolves in water
physical change
a pond freezes into ice
physical change
an apple rots
chemical change
a state in science describes the _____ & _____ that matter takes
shape and space
Objects with a _____ area will float
larger
all solutions are _______
mixtures
An object that attracts iron and makes a magnetic field is a ______
magnet
When two north poles of two magnets are facing each other, the magnets will _____ each other
repel
When the north pole of one magnet faces the south pole of another magnet, the magnets will _____ each other
attract
Floating and sinking are _____ properties of matter
physical
Most magnets need to have _____ in them
iron
