light and smooth; can be made into many shapes and does not let water in.
plastic
hard and strong; can be shiny and sometimes rusts in water.
metal
feels bumpy or uneven when you touch it.
rough
does not let water in.
waterproof
soft and full of air; feels light and can float on water.
foam
what something is made of
materials
easy to press or bend; feels gentle, not hard.
soft
breaks or bends easily; not strong
weak
can bend or move easily without breaking.
flexible
hard and does not bend easily
rigid
a thing that floats on water and can carry people or things.
boat
soaks up or takes in water easily
absorbent
made by people, not found in nature.
man-made
to go down under the water.
sink
can hold weight or pressure without breaking
strong
feels solid and firm; not soft.
hard
a careful test to find out answers or facts
investigation
comes from trees; strong and can float.
wood
can see through it easily.
transparent
cannot see through it.
opaque
thin material we can write on; it soaks up water easily.
paper
to stay on top of the water
float
found in nature, Not made by people
natural
feels flat and even when you touch it; not rough or bumpy.
smooth