Open Court Vocabulary for

“Monster Tracks”Genre: Expository Text

imprint

The cougar left an imprint of its paw in the mud.

( to mark by applying pressure )

clues

Clues help solve a mystery.

( hints that help solve a puzzle )

mold

( a hollow form that material is poured into to make a shape )

We will pour the melted chocolate into the mold to make toy and animal shaped candies.

prehistoric

The dinosaur is a prehistoric animal because

it lived before people wrote history.

( belonging to a time before people started writing history )

embed

We will embed the seashells in the sand.

( set in )

ooze

We walked in the ooze and it squished between our

toes.

( mud )

shallow

We need a shallow pan to bake the brownies in.

( not very deep )

reverse

When you are making a sand casting you have to think in reverse. What goes in sticks

out.

( opposite )

instructions

You will have to follow the instructions to make this

airplane.

( directions )

facedown

These shells are face up. You have to put a shell facedown to make a good

imprint.

( level in the ground )

“Monster Tracks”

Making sand castings will help you understand how imprint fossils happened.