NIEHS Kids -- How Scientists Use Color to Help Them in Their Work!

National Institute of
Environmental Health Sciences
National Institutes of Health (NIH)
Department of Health and Human Services (DHHS)
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NIEHS Kids' Pages Index

COLORS

Help Scientists with Their Work!

Scientists may use a "flame test" to determine which metal ions are present in a sample of material. The color that the flame turns when exposed to the material tells scientists which metal ions are present.

Remember -- fire is dangerous!
This type of test must only be done in a laboratory with adult supervision!

Flame Test for Metal Ions

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When you encounter this image or the words "Non-NIEHS Link", it means that by following that link you will be leaving the NIEHS website. NIEHS is NOT responsible for non-NIEHS websites. Sites maintained by outside organizations may be changed without notice to NIEHS. Therefore, unless the link is to another U.S. government sponsored webpage, endorsement by NIEHS is not implied, and NIEHS does not guarantee their continuing safe content or privacy policies. So please ask your parent or guardian before continuing to any non-NIEHS website, and especially before providing any information via the internet or by e-mail. When last reviewed, the websites linked from the NIEHS Kids' Pages seemed suitable for you to visit, but that may have changed; if you have any difficulties or concerns with any linked materials, please .

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When you encounter this image link to a non-NIEHS site

or the words "Non-NIEHS Link", it means that by following that link you will be leaving the NIEHS website. NIEHS is NOT responsible for non-NIEHS websites. Sites maintained by outside organizations may be changed without notice to NIEHS. Therefore, unless the link is to another U.S. government sponsored webpage, endorsement by NIEHS is not implied, and NIEHS does not guarantee their continuing safe content or privacy policies. So please ask your parent or guardian before continuing to any non-NIEHS website, and especially before providing any information via the internet or by e-mail. When last reviewed, the websites linked from the NIEHS Kids' Pages seemed suitable for you to visit, but that may have changed; if you have any difficulties or concerns with any linked materials, please .

The NIEHS Kids' Pages were prepared by the for the Office of Communications, National Institute of Environmental Health Sciences (NIEHS), National Institutes of Health (NIH), Department of Health and Human Services (DHHS).

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