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WorksheetsPC Science Form 1 C6-C9
Total questions: 25
Worksheet time: 14mins
Caused by high temperature and pressure
Igneous rocks
Metamorphic rocks
Sedimentary rocks
Process that occurs on Earth's surface
Endogenic
Exogenic
Formed from sediment deposition of rock fragments, remains of plants and animals
Igneous rocks
Metamorphic rocks
Sedimentary rocks
Diagram shows Earth's crust movement.
This is example of ...
Endogenic process
Exogenic process
The components interact with each other to maintain a balance of oxygen and carbon dioxide
Geosphere
Hydrosphere
Atmosphere
Biosphere
Contains ozone and absorbs the harmful rays from the sunlight
Geosphere
Hydrosphere
Atmosphere
Biosphere
Which of these is not in earth system?
Hydrosphere
Atmosphere
Geosphere
Ionosphere
Refraction
When energy is absorbed
Occurs when energy is absorbed
Occurs when energy waves travel through substance
When light hits a substance
Salt (NaCl) is an example of a compound. What are the elements found in salt?
Carbon, calcium and oxygen
Carbon, hydrogen and oxygen
Sodium and chlorine
Oxygen and carbon
Why air is considered a mixture ?
Each gas has no color, so cannot be differentiate
Each gas still shows its original properties when separated.
Can combustion can only occur without any of the fuel,
oxygen and heat?
Yes
No
Which of the following statement is TRUE
Air is an element
Argon, neon,helium,krypton andxenon are examples of inert gases
The air does not consist dusts and microorganisms
The air is made up of _____% Nitrogen.
87
78
76
Which of the following is NOT the composition of air?
Microorganism
Argon
Ammonia
Nitrogen
Which of the following is the characteristics of an mixture?
Form chemical bond
Form new substances
Physical separation method
Different properties of new substances compared to the original
What is compound?
Two or more kinds of elements that are mixed chemically
Elements and compounds mix physically
One type of element exists
Two kinds of elements mix physically
