Minerals

Science: KS3, topic 1.4.3

Minerals

Minerals are inorganic and not carbon-based. Humans need to consume a small amount of minerals to maintain a healthy diet.

Minerals

Minerals

  • Minerals are found naturally in the Earth.
  • Plants obtain minerals from the soil through their roots.
  • Animals obtain minerals when they eat plants.
  • It is unhealthy to consume more than the recommended dose of minerals.
  • Eating too many minerals may lead to sickness, stomach pain, and diarrhea.
Calcium and iron

Calcium and iron

  • Calcium is found in dairy products.
  • Calcium is important for healthy bones and teeth, and for making blood clots.
  • Calcium deficiency causes rickets and osteomalacia.
  • Iron is found in red meat, liver, beans, and nuts.
  • Iron makes red blood cells.
  • Iron deficiency causes anaemia.
Iodine and chromium

Iodine and chromium

  • Iodine is found in eggs, milk, and fish.
  • Iodine makes thyroid hormones.
  • Iodine deficiency causes issues with thyroid glands.
  • Chromium is found in meat and nuts.
  • Chromium regulates insulin.
  • Chromium deficiency increases the risk of diabetes.
Copper and Magnesium

Copper and Magnesium

  • Copper is found in nuts and shellfish.
  • Copper is important for red and white blood cells and for brain development.
  • Copper deficiency can lead to anaemia and osteoporosis.
  • Magnesium is found in spinach and nuts.
  • Magnesium is important for hormone development.
  • Magnesium deficiency can lead to low appetite and vomiting.

Test yourself on Minerals

  • What can animals eat to obtain minerals?

  • Which minerals can you get from eating nuts?

  • Select the correct statement in each pair

  • A child never eats dairy products or any other calcium-rich foods. What might this lead to?

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