Colours
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Colours
20
Spectrum: Colours, as we see them, are derived from the ____ of light
Sodium: This element in the form of chloride or carbonate burns with a yellow flame
Purple: Potassium chloride produces this coloured flame
Green: Cupric or copper sulfate burns this hue
Copper: Cu is both the element and the colour name
Gold: The name of the colour Au shares the same name as the element
Silver: Most metals are not coloured, or to some are this colour
pH: Chemical detectors, or ____ indicators, are helpful for visualizing acid-base titrations
Blue: Coomassie Brilliant ____ was developed for the textile industry but is now also a popular biochemical stain for proteins
Mauve: The first synthetic dye, a shade of purple, was named this be discoverer William H. Perkins
Orange: This colour, located between red and yellow on the colour wheel, is also a fruit
Tint: In colour theory this is a mixture of a colour with white, which increases lightness
Shade: In colour theory this is a mixture of a colour with black, which increases darkness
Trichromatic: Human colour vision is _____ because our retinas contain three types of colour receptors
Yellow: In primary colours (RBG) this colour often replaces the green
Red: This colour has the longest wavelength in the spectrum
Achromatic: White, black and grey are considered to be ____ or free from colour
Blind: Those who cannot perceive colour differences under normal lighting conditions are considered colour_____
Malachite: This version of green is also known as basic green 4 and is often used when creating a green dye, it also stains endospores if you’re a microbiologist
Arsenic: This blue-grey colour is named after the metalloid of the came hue, or As
Colours
Across:1. | This element in the form of chloride or carbonate burns with a yellow flame | 5. | Cupric or copper sulfate burns this hue | 7. | The name of the colour Au shares the same name as the element | 8. | Those who cannot perceive colour differences under normal lighting conditions are considered colour_____ | 11. | Colours, as we see them, are derived from the ____ of light | 12. | This version of green is also known as basic green 4 and is often used when creating a green dye, it also stains endospores if you’re a microbiologist | 14. | Most metals are not coloured, or to some are this colour | 15. | Cu is both the element and the colour name | 17. | This colour has the longest wavelength in the spectrum | 18. | In colour theory this is a mixture of a colour with white, which increases lightness |
| | Down:2. | The first synthetic dye, a shade of purple, was named this be discoverer William H. Perkins | 3. | White, black and grey are considered to be ____ or free from colour | 4. | Human colour vision is _____ because our retinas contain three types of colour receptors | 6. | Potassium chloride produces this coloured flame | 8. | Coomassie Brilliant ____ was developed for the textile industry but is now also a popular biochemical stain for proteins | 9. | This colour, located between red and yellow on the colour wheel, is also a fruit | 10. | In primary colours (RBG) this colour often replaces the green | 11. | In colour theory this is a mixture of a colour with black, which increases darkness | 13. | This blue-grey colour is named after the metalloid of the came hue, or As | 16. | Chemical detectors, or ____ indicators, are helpful for visualizing acid-base titrations |
| |
© 2013
PuzzleFast.com, Noncommercial Use Only
Colours
Across:1. | This element in the form of chloride or carbonate burns with a yellow flame | 5. | Cupric or copper sulfate burns this hue | 7. | The name of the colour Au shares the same name as the element | 8. | Those who cannot perceive colour differences under normal lighting conditions are considered colour_____ | 11. | Colours, as we see them, are derived from the ____ of light | 12. | This version of green is also known as basic green 4 and is often used when creating a green dye, it also stains endospores if you’re a microbiologist | 14. | Most metals are not coloured, or to some are this colour | 15. | Cu is both the element and the colour name | 17. | This colour has the longest wavelength in the spectrum | 18. | In colour theory this is a mixture of a colour with white, which increases lightness |
| | Down:2. | The first synthetic dye, a shade of purple, was named this be discoverer William H. Perkins | 3. | White, black and grey are considered to be ____ or free from colour | 4. | Human colour vision is _____ because our retinas contain three types of colour receptors | 6. | Potassium chloride produces this coloured flame | 8. | Coomassie Brilliant ____ was developed for the textile industry but is now also a popular biochemical stain for proteins | 9. | This colour, located between red and yellow on the colour wheel, is also a fruit | 10. | In primary colours (RBG) this colour often replaces the green | 11. | In colour theory this is a mixture of a colour with black, which increases darkness | 13. | This blue-grey colour is named after the metalloid of the came hue, or As | 16. | Chemical detectors, or ____ indicators, are helpful for visualizing acid-base titrations |
| |
© 2013
PuzzleFast.com, Noncommercial Use Only