Kites are designed to fly in the wind. Although kites are used for sports and play today, in the past they were used for signalling, target practice, science experiments and even to deliver newspapers! A scientist named Benjamin Franklin used a kite to prove that lightning is electricity. The largest Read more…
Kettles are metal pots used for boiling water. Kettles have been used since ancient times. Kettles are made from metals such as iron, steel and copper. Kettles used to be heated over open fires in order to heat them up. Electric kettles were only invented in 1893 in the United Read more…
Knights were first trained about 2000 years ago in the Roman empire. Knights were the best soldiers on the battlefield. A knight’s armour weighed nearly 22 kilograms or more. It used to take more than 10 years to train a knight. Knights were addressed as “Sir”. Knights would take part in Read more…
On average, 1 person eats about 3 bottles of Ketchup every year. Ketchup can only be made from ripe tomatoes. Ketchup was first sold in 1876! At first ketchup did not have tomatoes in it because a long time ago people thought that tomatoes were poisonous. Ketchup can be used both Read more…
Keys are used to open locks like door locks and car doors. Keys were invented more than 3000 years ago. Keys were invented in Egypt. In Ancient Rome, only rich people were able to afford keys, so not everyone had a lock on their front door. Nowadays, keys can get Read more…
Kayaks are small water craft that are controlled using paddles. Kayaks can also be called canoes. Kayaks can be used for fishing and water sports. Most kayaks can sit 2 people. Kayaks are used in an extreme sport called white water rafting. Kayaks are usually made from plastic. A person using a kayak can be called a Read more…
