🔬Chemistry is the science of substances and their transformation.
🌈Chemical changes can be recognized by color changes.
🌍Chemistry plays a vital role in our everyday lives, from plastics to pharmaceuticals.
❄️Chemists can achieve extremely low temperatures with liquid nitrogen.
🔥Chemistry is also involved in the science of fire and combustion.
What is chemistry?
—Chemistry is the science of substances and how they transform into different substances.
How can we recognize chemical changes?
—Chemical changes can often be recognized by color changes.
What role does chemistry play in our everyday lives?
—Chemistry plays a vital role in the production of plastics, pharmaceuticals, and many other substances we use regularly.
What is liquid nitrogen used for?
—Liquid nitrogen, which achieves extremely low temperatures, is commonly used in cryogenics, freezing, and other scientific applications.
What does chemistry study in relation to fire?
—Chemistry is involved in understanding the science of fire and combustion.
00:04In 59 BC, Emperor of China was disappointed by a failed attempt to turn substances into gold.
01:02Chemistry is the science of substances and how they transform into different substances.
01:26Chemical changes can often be recognized by color changes.
02:25Chemistry plays a vital role in our everyday lives, from plastics to pharmaceuticals.
03:50Liquid nitrogen can achieve extremely low temperatures and is used in various scientific applications.
04:35Chemistry also studies the science of fire and combustion.
