Solids are a form of matter that maintains its shape, even when moved. They can be measured by their length using a ruler or by their mass using a balance. Mixtures are made up of two or more substances that do not change but can be separated.

1. W ha t C
an We
Observ
e A bo u
t S olid
s?
1st Grade

2.  How are paper, scissors, and a globe the
same?
They are all solids!!

3.  A solid is a kind is a kind of matter that keeps
its shape. It keeps its shape even when you
move it.

4.  When you mix different
kinds of matter together,
you make a mixture.
 A mixture is made up of
two or more things.
 The image is an example
of a mixture.
 The things in a mixture
do not change.
 You can sort them out of
the mixture again.

5.  You can measure solids.
You measure
length with a
You can ruler.
measure how
long a solid
is. That is its
length.

6.  You can also measure the mass of a solid.
 Mass is the amount of matter a solid has.
You measure mass
with a balance.

7.  What are solids?
 What is a mixture?
 What is length?
 What is mass?
 What is a mixture made
up of?
 What are two ways you
can measure solids?