Advertisement Upgrade to remove ads

CLS 4th grade science, Rocks

4 Properties to tell minerals apart

color, luster, streak, hardness

4 examples of sedimentary rock

Conglomerate, shale, limestone, rock salt

3 kinds of fossils

imprint, molds, cast

3 things that need to happen to a fossil to show

Collect the bones, remove rocks from the bones, assemble the bones

2 things fossils can tell us

characteristics of the organism, AND the environment in which it lived

2 things that cause a change to metamorphic rock

heat and pressure

2 things footprints can tell us

the size and how it walked

streak plate

a glass plate that minerals can be rubbed against

rock cycle

sequence of events in which rocks are formed, destroyed, altered, and reformed by geological processes


A naturally occurring substance


hardened tree sap


Magma that reaches the earth's surface


a scientist that studies the visual properties of rocks

Relative Age

the age of things, the age of a rock compared to the ages of rock layers


Living things that turn to st, when the hard parts of a dead organism are changed to stone


A fossil created by a print or impression


Deposited rock particles and other materials that settle in a liquid


Melted rock material


The way a mineral reflects light

Igneous Rock

fire made rocks formed from melted rock materials


A fossil formed or shaped within a mold

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again


Reload the page to try again!


Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording