Chemistry - rocks
|
chemical |
Chemical weathering is when acid rain falls and reacts with the minerals in the rock.
*
|
|
physical |
Physical weathering is when the forces make cracks in the rocks when they are heated and cooled over and over again.
*
|
|
biological |
Biological weathering is when plants grow into the cracks of the rocks causing the rocks to break apart.
*
|
|
erosion |
The movement of bits of rock is called erosion.
*
|
|
transported |
Rock grains and fragments get transported by the wind or water.
*
|
|
abrasion |
When rock fragments bump into each other and wear away it causes abrasion.
*
|
|
sediment |
Rock grains and fragments dropped on the bottom of a river, lake or sea are called sediment.
*
|
|
deposit |
Moving water can drop or deposit rock fragments or grains.
*
|
|
fossil |
A fossil is the remains of a dead animal or plant that becomes trapped in layers of sediment and turned into rock.
*
|
|
limestone |
Limestone is a sedimentary rock consisting mainly of calcium carbonate.
*
|
* This sentence was added by a Spellzone user.
Improve your spelling skills with interactive exercises and activities.
How to use:
Look and read the word.
Say the word. Click the speaker icon.
Cover the word.
Write the word.
Check your spelling.
Practice these words while playing fun and educational games.
Summer spelling
Hot spelling fun.
Egg Hunt
Crack the eggs!
Word Search, small
The classic English word game.
Against the Clock
Spelling 'against the clock'.
Mayan Temple
Try the temple spelling puzzle.
Monkey Business
It's bananas!
See how well you know these words with a spelling test.
Download and print spelling worksheets for this word list.
Improve your spelling by writing these words.
"Spellzone really is an incredibly simple, engaging and cost effective resource - it makes a big difference to literacy levels."
Millthorpe School, York