Show:
Weathering
Mechanical Weathering
Chemical Weathering
Rate of Weathering
Soil & Rocks
100
The breaking or weathering of rocks caused by a PHYSICAL process is
What is mechanical weathering
100
Name the inner planets
What is Mercury, Venus, Earth and Mars
100

These substances cause most chemical weathering: oxygen, water, and _________.

What is oxygen, water and acids

100

1000 points  Only one chance.

When a cake is baked, it goes through a ___________ change.

chemical

100

Solid rock that lies beneath the soil. Its very hard and tall buildings need to be anchored to it

  Hint: first part sounds like a piece of furniture.

What is bedrock

200

What kind of weathering do changes in temperature cause?

What is thermal stress

200
Mechanical weathering caused by the freezing and melting of water
What is ice wedging
200
The chemical change that occurs when OXYGEN combines with another substance is
What is oxidation
200
True or False: Weathering occurs slowly in hot, dry climates.
True
200

Decaying remains of plants and animals is

What is humus

300
Root action is a form of which type of weathering?
What is mechanical weathering
300
The Sun rises in the
What is East
300

Pennies are COATED in copper.  They are mainly made with this element that we humans often need for a good immune system:

Zinc

300

You should never TASTE anything in a lab.  However, what do acids taste like?

 They are SOUR

300
A mixture that includes silt, sand and clay is
What is soil
400
Breaking down of rocks and other materials on Earth's surface is
What is weathering
400
What property of water causes it to act like a wedge when it freezes in cracks?
What is waters ability to freeze causing it to expand.
400

free candy question

 When is our next DAY OFF FROM SCHOOL?

400

Lichens cause what kind of weathering?

chemical

400
Why is soil important?
What is we need it to live. (plants, animals oxygen)
500
Weathering that changes the CHEMICAL makeup of rocks is
What is chemical weathering
500
What kind of weathering causes potholes?
What is mechanical weathering
500
What acid forms from carbon dioxide and water?
What is carbonic acid
500

Rain which contains droplets of nitric and sulfuric acid, which is called ________.

acid rain

500

Rock Lab: Shake & Break What chemical change did the rock soaked in water undergo?

What is hydrolysis