Land and Its Resources
Learning Objective: 1.3 Understanding silicon compounds.
Learning Outcomes:
State the different forms of silicon compounds
State the example of silica
State the example of silicate
Relate the properties of silicon compounds to their
stability
Explain through examples the uses of silicon compounds in our
daily life
1.Name the two types of silicon compound.
2.Name two examples of silica.3. Name two examples of
silicate.4. The table below shows the properties of silicon
compounds.
Based on the properties of silicon compounds in the table:
Underline the correct answer to relate the properties of silicon
compounds to their stability.
Silica and silicate are (stable / unstable) compounds.5.
Complete the statements below to explain through examples the uses
of silicon compounds in our daily life using the words given.
a. __________________ is used to make glass object like test
tubes.
b. Clay is used to make ___________________ objects such as
flower pots.
c. __________________ is used to make watches and prisms.
Answer Scheme1. Name the two types of silicon compound.
2. Name two examples of silica.
3. Name two examples of silicate.4. The table below shows the
properties of silicon compounds.
Based on the properties of silicon compounds in the table:
Underline the correct answer to relate the properties of silicon
compounds to their stability.
Silica and silicate are (stable / unstable) compounds.
5. Complete the statements below to explain through examples the
uses of silicon compounds in our daily life using the words
given.
a. Sand is used to make glass object like test tubes.
b. Clay is used to make ceramics objects such as flower
pots.
c. Quartz is used to make watches and prisms.
Silicon compound
Silica
Silica
Flint
Silicate
Asbestos
Insoluble in water
Do not decompose on heating
Do not react with acids
SandCeramicsQuartz
Silicon compound
Silica
Silicate
Silica
Sand and
Quartz
Flint
Silicate
Asbestos
Mica, Clay and
Water glass
Insoluble in water
Do not decompose on heating
Do not react with acids
SandCeramicsQuartz
