WorksheetsCHAPTER 9.5-9.6 : EARTH
Total questions: 25
Worksheet time: 13mins
The Earth is about __________yeras old.
3.5 BILLION OLD
5.5 MILLION OLD
4.5 BILLION OLD
2.5 MILLION OLD
How can scientist find out the existence of the creature in the diagram?
HISTORY BOOK
LEGEND
FOSSIL
MOVIE
What Is this animal call ?
(a)
What is surface water?
Surface water is fills up the empty spaces between soil particles and the layers of permeable rocks.
Surface water is found on the surface of Earth.
What is Economic Minerals Consist Of ?
Metallic Minerals
Rocks & Dust
Non-Metallic
Rare Earth Minerals
All and Above
Which would be an example of a fossil?
Dinosaur Footprint
Rotting Log
Oyster Pearl
Sedimentary Rock
Which of the following answers are Era? (tick more than 1)
Cenozoic
Paleozoic
Mesozoic
Methozoic
Who use the geological time scale to study the history of the Earth systematically.
Geologist
Botanist
Scientist
Biologist
What is this process call?
(a)
Humans Activities that are not well-planned will...?
Erosion
Flash Flood
Pollution
Global Warming
Green House Effect
An era is made out of many periods.
True
False
A period is made out of many eras.
True
False
What is the era when dinosaur was present?
Paleozoic
Mesozoic
Cenozoic
Precambrian
Which era are we living in?
Paleozoic
Mesozoic
Cenozoic
What are the characteristics of underground water? (Choose 2)
Also known as aquifer.
Found on the surface of the Earth.
Fill ups the empty spaces between soil particles and the layer of permeable rocks.
Seas, ponds and rivers are the example of underground water.
Hot steam is used to drive a turbine and generate....
magnetic energy
thermal energy
electricity
When the water is heated naturally by the heat from the Earth, it is caused by the process known as...
hydrothermal process
hypotesis
hydroponics
Economic metallic minerals. (There is more than 1.)
Tin ore
Copper
Petroleum
Oxygen
Under high ______ and heat, fossil of plants turned slowly into coal.
light
pressure
cold
The continuous decomposition by _____ under high temperature and pressure finally produced petroleum and natural gas.
plant
animal
bacteria
Which unplanned human activities may cause negative effects to all living things? (There are more than 1 answer.)
Deforestation
Global Warming
Swimming
Open burning
Industrialisation
The negative effect of deforestation is...
soil erosion
more habitat for flora and fauna
more oxygen produces
The exogenic process above known as ...
Weathering
Erosion
Mass and land depletion
Transport and sedimentation
Diagram shows a process of rock fragmentation and decomposition. It is known as
Erosion
Weathering
Mass and land depletion
Transport and sedimentation
