I WONDER - How Is Sandstone Made?

The video tutorial discusses sandstone, a type of sedimentary rock made from sand, which consists of tiny bits of rock and minerals. The color of sandstone varies based on the minerals present in the sand. Sandstone with quartz is light-colored, while sandstone with iron oxide is red or brown.

What is sandstone primarily composed of?

• Organic matter

• Metal fragments

• Tiny bits of rock and minerals

• Large rocks

What factor determines the color of sandstone?

• The size of the sand grains

• The type of minerals in the sand

• The age of the rock

• The location where it is found

If sandstone is primarily composed of quartz, what color is it likely to be?

• Green

• Light colored

• Dark brown

• Black

Which mineral causes sandstone to appear red or brown?

• Calcite

• Mica

• Quartz

• Iron oxide

What is the effect of iron oxide on the color of sandstone?

• It has no effect on the color

• It gives the sandstone a red or brown hue

• It turns the sandstone green

• It makes the sandstone light-colored