science
Storyboard Text
- Calcium is a chemical element with a symbol Ca. As alkaline earth metal, calcium is a reactive metal that forms a dark nitride layer when exposed to air
- It has an atomic number of 20 and atomic weight of 40.078 u. U stands for unified atomic mass unit
- Hmm, how did Calcium actually got discovered. Ahhh right here, Calcium was discovered during 1808 by Sir Humphry Davy in England. It was discovered when he electrolyzed a mixture of lime and mercuric acid.
- Did you know that lack of calcium in our body body will weaken our bones and teeh?placing you at an elevated risk for damage, tooth decay that causes tooth ache..You have to take foods rich in calcium such as low fat or fat free milk, yougart and cheese and soy milk.These will promote strong teeh. And remeber to always brush your teeh using toothpaste with calcium.
- Hey, What's wrong
- Yes, Kuya.
- My tooth is aching!
- Oh that's great! These past few days, my back and shoulder pain is getting worse .I guess I should be drinking milk and eating more food rich in calcium like soy beans, tofu, cheese and green leafy vegetables.
- Lo, I have learned that adult like you needs calcium to maintain strong bones overtime.Inadequate calcium intake can cause osteoporosis, brittle bone disease.People with osteoporosis are at high risk for broken bones especialy at the hip, wrist and spine.So from now on you need to take a glass of milk daily because thi is a good source of calcium.
- Calcium is an element with a symbol of Ca with an atomic number of 20 and atomic weight of 40.078 u. Calcium was discovered during 1808 by Sir Humphry Davy in England. It is the one of the most important minerals for the human body. It helps form and maintain healthy teeth and bones. proper level of calcium in the body over a lifetime can help prevent osteoporosis
- Very good, Gelo!
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