Sun Facts Challenge

Froggy Jumps

Parties jouées 11

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Test your solar knowledge

paula leal

Colombia

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Sun Facts Challenge


Froggy Jumps Sun Facts ChallengeVersion en ligne Test your solar knowledge par paula leal 1 Which object supplies all the energy for Earth's climate and life? a The Sun b The Moon c Jupiter 2 Approximately how old is the Sun? a About 10 billion years b About 1 million years c About 4.6 billion years 3 How far is the Earth from the Sun, on average? a About 93 million miles (150 million km) b About 9,000 miles (14,000 km) c About 1.2 billion miles (2 billion km) 4 What is the Sun’s surface temperature roughly? a About 15,000°C b About 50°C c About 5,500°C 5 What process powers the Sun? a Nuclear fission b Chemical burning c Nuclear fusion of hydrogen into helium 6 What percentage of the Solar System’s mass is in the Sun? a About 50% b About 99.8% c About 10% 7 Which future phase will the Sun enter in about 5 billion years? a Neutron star b Red giant c White dwarf 8 What is the visible surface of the Sun called? a Core b Chromosphere c Photosphere 9 What solar feature appears as dark spots on the Sun’s surface? a Auroras b Solar flares c Sunspots 10 How long does it take for sunlight to reach Earth from the Sun? a About 8 minutes b About 1 hour c About 8 seconds