Chalk

In what part of England are the famous white cliffs located?

• Devon

• Denver

• Dover

• Doncaster

The white cliffs of Dover are composed of...

• Limestone

• Chalk

• White marble

• Granite

Which word best describes chalk?

• Sedimentary

• Metamorphic

• Igneous

Chalk is composed of tiny marine animal remains of marine algae known as ____________

• salmonites

• coccoliths.

• herring bones

• trilobites.

The Cretaceous period began 100 million years ago, and ended 66 million years ago.

• True

• False

Tags

NGSS.MS-ESS1-4

What is the chemical formula for calcium carbonate?

• CaCO³

• COC³

• CO²O³

• Ca²O³

Tags

NGSS.MS-PS1-1

Due to the Earth’s movement, the seafloor levels raised, and the piles of chalk are now exposed forming the white cliffs.

• True

• False

Tags

NGSS.MS-ESS2-2

which word best describes calcium carbonate?

• a molecule

• a compound

• an element

• a mixture

In agriculture why is Chalk sometimes added to soil?

• added if soil is very acidic

• added if soil is very dry

• added if soil lacks carbon

• added if soil lacks calcium

In gymnastics, rock-climbing, weight-lifting etc, chalk is applied to the hands to remove perspiration and reduce slipping

• True

• False