Rocks & Soil Review

What happens when large winds blow against large rocks?

• The rock grows much bigger.
• The rock starts to melt.
• Tiny pieces of the rock break off.
• Plants grow on top of the rock.

Tags

NGSS.MS-ESS2-2

A student is testing a rock by trying to scratch it with different objects.  It is a good test for answering which of the following questions?

• What is the hardness of the rock?
• Will the rock sink or float in water?
• Which rock has the most mass?
• What level of luster does the rock have?

Tags

NGSS.MS-PS1-2

Which of these is not a way that scientists classify rocks?

• shape
• color
• size
• luster

_________ is made up of small, red, powdery grains of rock.

• humus
• loam
• clay
• sand

If the roots of a tree are now showing and were once covered by dirt and sand, what is this an example of?

• weathering 
• bad roots
• erosion
• too much sun

Which one would be the possible effect of weathering and erosion on the top of a mountain?

• the peak would become more pointed

• it would get softer and melt

• it turned into a volcano

• it would become more rounded and worn

Tags

NGSS.MS-ESS2-2

Mrs. Rogers is showing her class a mineral that is shiny, but not like glass. Which property is she describing?

• color
• texture
• luster
• hardness

Which rock sample below is the SOFTEST on the Moh's scale?

• #1 - a copper penny can scratch it
• #2 - a fingernail easily scratches it
• #3 - a steel knife easily scratches it
• #4 - it scratches glass

Which rock sample below is the HARDEST on the Moh's scale?

• #1 - a copper penny can scratch it
• #2 - a fingernail easily scratches it
• #3 - a steel knife easily scratches it
• #4 - it scratches glass

Which one is an example of WEATHERING that you might see at school?

• cracks in the sidewalk from nearby tree roots
• leaves falling off a tree
• dirt scattered by the wind
• shadows moving during the day

Tags

NGSS.MS-ESS2-2