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natural sources and man mande materials

TOPICS ABOUT SCIENCE

coal oil and natural gases

here is the science quiz

Take a walk on Country near you and list the animals and sounds you can see and hear. Sort the items you find into those that are natural and man made.

Final Exam

Unit 9 Science Year 2

Rocks, natural materials and man-made

Examples of natural disasters are hurricanes, tornados, earthquakes, and flooding.

Review questions about the use of natural resources.

ARRANGE IN SEQUENCE THE NATURAL WATER CYCLE

Analyze , read and write the correct option

Natural Disasters Flood, Tornado, Hurricane , Drought

natural and man-made materials and rocks

Fill in the blanks with appropriate words:

• _______________________  radiant energy (mostly visible light and infrared radiation) produced at the Sun’s outer surface and radiated out into space.
• Electricity is produced naturally—_______________________________—but not in a form that we can use
• _______________________ and ________________________ are large continuous sources of thermal energy.
• __________________________________a source of energy that has been widely used for many years.
• __________________________ is one of the most controversial of all energy sources.
• Earth’s temperature depends on how much energy is absorbed by the atmosphere, and on how much energy radiates into space. This is known as __________________________________.
• Gases such as water vapour, carbon dioxide, methane, and nitrous oxides that trap energy in Earth’s atmosphere are known as _________________________.
• ____________________ _______________sources include wind, waves, solar energy, geothermal energy, and biofuel.
• Heating caused by the passage of radiant energy through the windows of a building is known as _____________ _______________ ________________.
• ________________________ a liquid fuel, such as ethanol, produced from plant or animal material.

Science and nature