Space Exploration

Front

Emit Verb

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[ee-mit]

Back

Emit

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To send out or give off some form of energy, such as light or heat, from a source.

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Example: The Sun emits energy in the form of light and heat, which travels through space to reach Earth.

Front

Wavelength Noun

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[wayv-length]

Back

Wavelength

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The distance between two consecutive peaks of a wave, which determines the color and energy of light.

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Example: The image shows the distance between two peaks of a wave, labeled as 'wavelength', helping to understand light properties.

Front

Spectroscope Noun

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[spek-troh-skohp]

Back

Spectroscope

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An instrument that separates light into its different wavelengths or colors for analysis.

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Example: A prism separates white light into a spectrum of colors, showing how a spectroscope works.

Front

Electromagnetic Spectrum Noun

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[uh-lek-troh-mag-net-ik spek-trum]

Back

Electromagnetic Spectrum

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The complete range of light, including visible light and invisible wavelengths like radio waves and X-rays.

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Example: The image shows the electromagnetic spectrum, labeling different types of light from radio waves to gamma rays, with examples like microwaves and X-rays.

Front

Visible Spectrum Noun

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[viz-uh-buhl spek-trum]

Back

Visible Spectrum

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The small part of the electromagnetic spectrum that human eyes can see, appearing as the colors of the rainbow.

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Example: Light passing through a prism splits into the colors of the visible spectrum.

Front

Infrared Noun

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[in-fruh-red]

Back

Infrared

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A type of invisible light with wavelengths longer than red light, often associated with heat.

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Example: The image shows infrared light in the electromagnetic spectrum, highlighting its longer wavelength compared to visible light.

Front

Ultraviolet Noun

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[uhl-truh-vahy-uh-lit]

Back

Ultraviolet

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A type of invisible light with wavelengths shorter than violet light, which can be detected with special tools.

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Example: The image shows ultraviolet light as part of the electromagnetic spectrum, highlighting its shorter wavelength compared to visible light.

Front

Gamma Ray Noun

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[gam-uh ray]

Back

Gamma Ray

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The highest-energy form of light in the electromagnetic spectrum, possessing the shortest wavelengths.

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Example: Gamma rays are shown as the highest-energy light on the electromagnetic spectrum, with the shortest wavelengths.

Front

Spectrum Noun

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[spek-trum]

Back

Spectrum

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The pattern of colors or lines produced when light is separated into its various wavelengths.

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Example: A prism separates sunlight into a rainbow of colors, showing the spectrum.

Front

Incandescent Adjective

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[in-kan-des-uhnt]

Back

Incandescent

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Relating to light produced by a material that has been heated until it glows brightly.

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Example: A light bulb glows because electricity heats the filament inside until it shines brightly.