1 Some words in the information below have incorrect spelling.
• Use the word bank to help you identify the misspelt words.
• Highlight each one and write the correct spelling above it.
• Then rewrite the information correctly in your workbook.
WORD BANK
• weathering
• chemical
• pieces
• erosion
• removing
• pressure
• biological
• rock
• reaction
• physical
• substance
• freezes
1. _____________ breaks a rock down into small pieces.
2. _____________ is the slow process of _____________ pieces of weathered rock by the action of wind, rivers and waves.
3. The three main types of ___________ are chemical,___________ and biological.
4. ______________weathering occurs when acid rain falls onto rocks and there is a
______________, creating a new substance.
5. Physical weathering occurs when the rocks are broken into smaller pieces, and no new _____________is made.
6. One example of ____________weathering is when rocks are heated and expand in the heat of the day, and then cool and contract in the cold of night.
Thin ___________of rock flake off the surface and are further broken down into tiny ____________. Another example is when water gets into cracks in the rock and then ______________ in cold weather.
7. ______________weathering occurs when living things cause rocks to break apart. For example, the roots of plants can extend into cracks in the
__________. As they grow, they expand and put ____________ on the rock which causes it to break off.