Exploring Chemical Sedimentary Rocks

What is the primary source of materials for chemical sedimentary rocks?

• Volcanic activity

• Biological activity

• Chemical weathering

• Physical weathering

Which type of limestone is made mostly of shells?

• Oolitic limestone

• Coquina

• Travertine

• Chalk

What is the main component of limestone?

• Iron oxide

• Magnesium carbonate

• Calcium carbonate

• Silica

Tags

NGSS.MS-PS1-1

Which famous landmark is an example of chalk?

• White Cliffs of Dover

• Niagara Falls

• Mount Everest

• Grand Canyon

What is the main difference between dolostone and limestone?

• Dolostone is softer

• Dolostone is formed in volcanic areas

• Dolostone contains magnesium

• Dolostone contains silica

Tags

NGSS.MS-PS1-1

What is chert primarily composed of?

• Calcium carbonate

• Silica

• Magnesium carbonate

• Iron oxide

Tags

NGSS.MS-PS1-1

Which of the following is a characteristic of chert?

• It breaks along sharp edges

• It reacts with acid

• It has cleavage

• It is soft

Tags

NGSS.MS-PS1-2

Where are evaporite minerals commonly formed?

• Volcanic regions

• Mountain tops

• Deserts

• Deep ocean

What is gypsum commonly used for?

• Making glass

• Building roads

• Jewelry

• Wallboard or drywall

What type of environment is necessary for coal formation?

• Desert

• Mountain

• Ocean

• Swamp