Pebbles, Sand, and Silt Mid Unit

Which of these are pebbles?

• 
• 
• 
• 

Which rock have we NOT used in an experiment?

• Basalt

• Tuff

• Charcoal

• Scoria

Which is NOT a scientific way to sort rocks?

• Color

• Prettiness

• Texture

• Weight

Why do the rocks in a river become smooth?

• Gravity

• Water

• Fish

• Rubbing

Tags

NGSS.MS-ESS2-4

What is a Geologist?

• A person who studies bodies of water.

• A person who studies fossils.

• A person who studies rocks.

• A person who studies the outdoors.

Tags

NGSS.MS-ESS2-3

Sand is always the same color.

• True

• False

What should we call the tiny pieces of rock that come off?

• Moon Dust

• Rock Dust or Sand

• Powder

• Pebbles or Dirt

How might rocks change when they get wet? Select all that applies. (3)

• Color Changes

• Water Bubbles

• Become Shiny

• Become larger

Tags

NGSS.MS-PS1-2

Where would you not likely find rocks?

• Indoors

• The Schoolyard

• A River

• The Mountains

Rock walls are made by nature and by man.

• True

• False