rock02.gifmulti-word fill quiz 8Hwf1 on "The rock cycle"
(a doc brown worksheet for QCA KS3 science-chemistry)

Site Meter* Do online OR printout, do, return to check answers. * KS3 Science Index * EMAIL comment?query * Doc Brown's Chemistry updated June 11th 2009 *

   acid      carbonate      chalk      evaporated      fossil      grains      iron      limestone      limewater      mixture      pressure      salt      sedimentary      shale      water   
1. When layers of sediment are deeply buried the of the layers above, can cause the formation of rock.

2. When the layers are compacted the is squashed out and the glue together to form the rock.

3. The 'glue' comes from other minerals that had dissolved in the water and had then been left when most of the water had .

4. Examples of sedimentary rocks are:
(a) the fine grained soft white rock ,
(b) the crumbly rock formed from layers of mud,
(c) the harder grey rock formed from coral and the hard shells of sea creatures which have become a .
(d) sandstone, formed from transported sand, and is often red or orange due to minerals in it.

5. One form of limestone might be different than another because they may be a different of minerals.

6. However all limestones contain minerals. This is shown by adding to them and bubbles of carbon dioxide are formed which turn 'milky'.