Download HELP

Activity
Help
G2a Chemical weathering
Use this sheet to record your observations and answer
the questions.
Type of rock tested
with acid
Before
During
After
limestone
sandstone
granite
chalk
1 It is possible to divide the rocks into two groups based on
how they react. Use the table below for your answer.
Decide on the headings for the two groups and then write
down which rocks go in which group.
Group 1
Group 2
2 Compare how limestone and chalk react. Which rock will be
most affected by chemical weathering?
3 Compare limestone and sandstone. What are the advantages
and disadvantages of using these two rocks for building
materials for houses?
Rock
Advantages
Disadvantages
limestone
sandstone
4 Marble is made of the same minerals as limestone and chalk.
Would you expect a marble statue to be affected by acid rain?
because
.
© Harcourt Education Ltd 2004 Catalyst 2
This worksheet may have been altered from the original on the CD-ROM.
Sheet 1 of 1