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A flame test used in chemistry to detect the presence of certain metal ions, based on each elements characteristic emission spectrum (Barium Carbonate)

Pre-K - Higher Ed
A flame test used in chemistry to detect the presence of certain metal ions, based on each elements characteristic emission spectrum (Barium Carbonate)
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A flame test used in chemistry to detect the presence of certain metal ions, based on each elements characteristic emission spectrum (Sodium Nitrate)

Pre-K - Higher Ed
A flame test used in chemistry to detect the presence of certain metal ions, based on each elements characteristic emission spectrum (Sodium Nitrate)
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Compost Fermentation

Pre-K - Higher Ed
Compost Fermentation.
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A flame test used in chemistry to detect the presence of certain metal ions, based on each elements characteristic emission spectrum (Strontium Carbonate)

Pre-K - Higher Ed
A flame test used in chemistry to detect the presence of certain metal ions, based on each elements characteristic emission spectrum (Strontium Carbonate)
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A flame test used in chemistry to detect the presence of certain metal ions, based on each elements characteristic emission spectrum (Strontium Carbonate)

Pre-K - Higher Ed
A flame test used in chemistry to detect the presence of certain metal ions, based on each elements characteristic emission spectrum (Strontium Carbonate)
Stock Footage0:12
Getty Images

A flame test used in chemistry to detect the presence of certain metal ions, based on each elements characteristic emission spectrum (Potassium Carbonate)

Pre-K - Higher Ed
A flame test used in chemistry to detect the presence of certain metal ions, based on each elements characteristic emission spectrum (Potassium Carbonate)
Stock Footage0:11
Getty Images

Compost Fermentation

Pre-K - Higher Ed
Compost Fermentation.
Stock Footage0:13
Getty Images

A flame test used in chemistry to detect the presence of certain metal ions, based on each elements characteristic emission spectrum (Barium Carbonate)

Pre-K - Higher Ed
A flame test used in chemistry to detect the presence of certain metal ions, based on each elements characteristic emission spectrum (Barium Carbonate)
Stock Footage0:14
Getty Images

A flame test used in chemistry to detect the presence of certain metal ions, based on each elements characteristic emission spectrum (Barium Carbonate)

Pre-K - Higher Ed
A flame test used in chemistry to detect the presence of certain metal ions, based on each elements characteristic emission spectrum (Barium Carbonate)
Stock Footage0:14
Getty Images

A flame test used in chemistry to detect the presence of certain metal ions, based on each elements characteristic emission spectrum (Potassium Carbonate)

Pre-K - Higher Ed
A flame test used in chemistry to detect the presence of certain metal ions, based on each elements characteristic emission spectrum (Potassium Carbonate)
Stock Footage0:13
Getty Images

A flame test used in chemistry to detect the presence of certain metal ions, based on each elements characteristic emission spectrum (Potassium Carbonate)

Pre-K - Higher Ed
A flame test used in chemistry to detect the presence of certain metal ions, based on each elements characteristic emission spectrum (Potassium Carbonate)
Stock Footage0:12
Getty Images

A flame test used in chemistry to detect the presence of certain metal ions, based on each elements characteristic emission spectrum (Potassium Carbonate)

Pre-K - Higher Ed
A flame test used in chemistry to detect the presence of certain metal ions, based on each elements characteristic emission spectrum (Potassium Carbonate)
Stock Footage0:18
Getty Images

Compost Fermentation

Pre-K - Higher Ed
Compost Fermentation.
Stock Footage0:11
Getty Images

A flame test used in chemistry to detect the presence of certain metal ions, based on each elements characteristic emission spectrum (Strontium Carbonate)

Pre-K - Higher Ed
A flame test used in chemistry to detect the presence of certain metal ions, based on each elements characteristic emission spectrum (Strontium Carbonate)
Stock Footage0:14
Getty Images

A flame test used in chemistry to detect the presence of certain metal ions, based on each elements characteristic emission spectrum (Barium Carbonate)

Pre-K - Higher Ed
A flame test used in chemistry to detect the presence of certain metal ions, based on each elements characteristic emission spectrum (Barium Carbonate)
Stock Footage0:13
Getty Images

A flame test used in chemistry to detect the presence of certain metal ions, based on each elements characteristic emission spectrum (Potassium Carbonate)

Pre-K - Higher Ed
A flame test used in chemistry to detect the presence of certain metal ions, based on each elements characteristic emission spectrum (Potassium Carbonate)
Stock Footage1:18
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Danang Airbase attacked during Vietnam War

Pre-K - Higher Ed
/ nighttime fires burn after a Vietcong rocket attack on Danang airbase / giant fire and smoke ball / CU destroyed barracks / people walking in shadow past the fires / morning light shows extent of damage / huge craters in the ground /...
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The Great Depression in America

Pre-K - Higher Ed
/ montage - New York skyline from East River / crowd milling on street, traders in stock exchange jumping about in agitated state, people destroying produce they cannot sell, burning vegetables, wheat, spilling milk, throwing crates into...
Stock Footage0:36
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Pearl Harbor is bombed

Pre-K - Higher Ed
The Battleship Arizona smoking and burning in Pearl Harbor after attack / fireboats trying to put out fire, smoke / wreckage and clean up of aftermath / wounded men put on stretchers. Pearl Harbor is bombed on December 07, 1941 in Pearl...
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lit cigarette

Pre-K - Higher Ed
lit cigarette
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A flame test used in chemistry to detect the presence of certain metal ions, based on each elements characteristic emission spectrum (Strontium Carbonate)

Pre-K - Higher Ed
A flame test used in chemistry to detect the presence of certain metal ions, based on each elements characteristic emission spectrum (Strontium Carbonate)
Stock Footage0:22
Getty Images

A flame test used in chemistry to detect the presence of certain metal ions, based on each elements characteristic emission spectrum (Strontium Carbonate)

Pre-K - Higher Ed
A flame test used in chemistry to detect the presence of certain metal ions, based on each elements characteristic emission spectrum (Strontium Carbonate)
Stock Footage0:33
Getty Images

September 11th Attack on the World Trade Center

Pre-K - Higher Ed
WTC towers burning / papers flutter out of building / large smoke plume and skyline / filmed from the East Village, East 9th Street and 1st Ave September 11th Attack on the World Trade Center on September 11, 2001 in New York, New York...
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Air pollution

Pre-K - Higher Ed
Air pollution