Monster TracksMonster Tracks

pages 66-73pages 66-73

Vocabulary Vocabulary

clues

I looked for clues, or hints, to help me solve the problem.

clues

Sand-cast your own fossil clues from the past when monsters roamed and left odd tracks and dinner crumbs in the prehistoric ooze.

clues

Clues are hints that help solve a mystery or a problem.

pre his tor ic

The dinosaur is a prehistoric animal. It lived before people recorded information or events.

prehistoric

Sand-cast your own fossil clues from the past when monsters roamed and left odd tracks and dinner crumbs in the prehistoric ooze.

prehistoric

Prehistoric means belonging to a time before people started writing history.

im print

The rabbit’s foot had made an imprint in the snow. You could clearly see its trail.

imprint

First gather some feathers, twigs, bones (fish bones are fun), seashells, stones, or small sharp rocks to imprint or embed in sand.

imprint

Imprint means to mark by applying pressure.

mold

My grandmother uses a mold to make cookies the shape of stars.

mold

Along with this interesting assortment of objects, you’ll also need enough plaster of Paris to fill a mold, sand for shaping the mold, and a container.

mold

A mold is a hollow form that material is poured into to make a shape.

shal low

The water in the shallow end of the pool came up to my knees.

shallow

A plastic-lined, shallow cardboard box works well.

shallow

Shallow means not deep.

tex tures

Sandpaper and some rocks have rough textures.

textures

Textures and other features can be made by pressing different objects into the sand.

textures

Textures are the different looks and feel of things.

in struc tions

If you follow the instructions, you can easily put the kite together.

instructions

When you have finished making the mold, mix the plaster according to the instructions on the box.

instructions

Instructions are an explanation or directions.