6th grade Science Flashcards

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1
Q

Astronomy

A

the study of the universe

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2
Q

Year

A

the time required for the Earth to orbit once around the sun

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3
Q

Month

A

a division of the year that is based on the moon around the Earth

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4
Q

Day

A

the time required for Earth to rotate once on its axis

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5
Q

Telescope

A

an instrument that collects electromagnetic radiation from the sky and concentrates it for better observation

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6
Q

Refracting Telescope

A

a telescope that uses a set of lenses to gather and focus light from distant objects

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7
Q

Reflecting Telescope

A

a telescope that uses a curved mirror to gather and focus light from distant objects

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8
Q

Electromagnetic Spectrum

A

made up of all of the wavelengths of electromagnetic radiation

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