Sophie Hanscom Flashcards

1
Q

Solar Nebula

A

A cloud of dust and gas that later forms a solar system.

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2
Q

Gravity

A

A force that pulls two objects with mass or energy together.

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3
Q

Fusion

A

Two or more things joining together to form a single unit.

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4
Q

Star

A

A large, brilliant light in the sky.

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5
Q

Infrared Light

A

Light that comes from the sun that cannot be seen, also known as heat.

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6
Q

Visible Light

A

Wavelengths that can be seen by most humans.

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7
Q

Ultraviolet Light

A

Radiation that can’t be seen by humans.

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8
Q

Matter

A

Any physical substance that takes up space and is made up of atoms.

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9
Q

Planetary Nebula

A

A nebula formed by a shell of gas that expands around an aging star.

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10
Q

White Dwarf

A

A small, dense and low-mass star that’s generally the size of a planet.

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11
Q

Red Giant

A

A large star that’s highly luminous but of low temperature.

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12
Q

Electromagnetic Spectrum

A

The range of wavelengths that electromagnetic radiation extends over.

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13
Q

Element

A

Substances that can’t be chemically combined or broken down into simpler substances.

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14
Q

Hydrogen

A

An odorless and colorless gas that’s highly flammable.

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15
Q

Helium

A

The element with the lowest boiling temperature.

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16
Q

Proton

A

A particle smaller than an atom that occurs within atoms that has the same amount of electric charge as an electron but has the opposite sign.

17
Q

Neutron

A

A particle of the same mass as a proton that has no electric charge.

18
Q

Nucleus

A

The core of an atom made of protons and neutrons, and containing a majority of the mass.

19
Q

Photon

A

A particle that represents electromagnetic radiation and carries energy that coincides with the radiation frequency.

20
Q

Main Sequence Star

A

A star that has a balance of outward outward pressure and gravitational forces that also fuses hydrogen into it’s core.