Estimation Questions for Kids: Easy and Amazing

Answer: 8

A spider has eight legs. That is why it belongs to the arachnids and not to the insects. Insects always have only six legs. At the tips of its legs are fine hairs. With those, the spider feels every little movement in its web.

Answer: 2

A Bactrian camel has 2 humps on its back. The humps store fat, not water, as many people think. The dromedary, in contrast, has only one hump. Bactrian camels live in the cold deserts of Central Asia.

Answer: 4

A cow has 4 stomachs. Each stomach has its own job in digesting grass. The cow brings up the food again and chews it a second time. This is called chewing the cud, and it helps break down the plant fibers.

Answer: 42

An adult dog has 42 teeth in its mouth. Puppies start with only 28 milk teeth. The strong canine teeth are used to grab prey. The molars in the back can even crush bones. A human, in comparison, has only 32 teeth.

Answer: 7

Earth has seven continents. They are Africa, Antarctica, Asia, Australia, Europe, North America and South America. Asia is the largest and Australia the smallest. In some countries people count only six, joining Europe and Asia together as Eurasia.

Answer: Pacific Ocean

The Pacific Ocean is the largest ocean in the world. It covers about 165 million square kilometers. That is more than all the land on Earth put together. Deep inside it lies the Mariana Trench, the deepest point on the planet.

Answer: 6

A butterfly has six legs. Like every insect, it has three pairs of legs. Really cool is its long tongue. It looks like a drinking straw that rolls up. The butterfly uses it to sip sweet nectar from deep inside flowers.

Answer: 7

A typical seven-spot ladybug has 7 spots on its wings. But there are also species with 2, 10, or 22 spots. The spots warn predators about the bitter taste. Ladybugs are seen as lucky charms in many countries.

Answer: 20

Koalas sleep up to 20 hours a day. Their main food is eucalyptus leaves, which give very little energy. That is why they rest so much to save their strength. The leaves are toxic to most animals, but koalas can digest them.

Answer: 71

About 71 percent of Earth's surface is water. Most of it is seas and oceans, only a tiny part is freshwater. That is why our planet looks so blue from space. No wonder it is often called the blue planet.

Answer: 5

A gorilla has 5 fingers on each hand, just like a human. Its thumb can move across the palm too. That lets it grip tools, pick food, and build soft nests from leaves. Even its fingerprints are unique, exactly like ours.

Answer: 3

The three-toed sloth has 3 fingers on each hand, which is how it got its name. Its claws are long and curved like hooks. They let it hang from branches and stay safe up in the trees. The two-toed sloth, as its name suggests, has only 2 fingers.

Answer: 18

A cat has 18 toes in total. There are five on each front paw. There are only four on each back paw. Some cats are born with a few extra toes. These special cats are called Hemingway cats, named after the famous writer.

Answer: 10

A lobster has ten legs. The front two have turned into strong claws. With the thick claw, it cracks hard shells. With the slim claw, it grabs its prey. The other eight legs are for walking across the sea floor.

Answer: 10

A squid has 10 arms, meaning 8 short ones and 2 longer tentacles. It uses the long tentacles to grab prey in a flash. The suckers have small horny rings that look like teeth. The giant squid can have arms over 10 meters long.

Answer: 2

A bee has two pairs of wings, which makes four wings in total. The front pair is larger than the back pair. In flight, both pairs hook together and beat like one big wing. They flap more than 200 times per second.

Answer: 5

A honeybee has five eyes. Two large compound eyes sit on the sides of the head. Three tiny simple eyes sit on top of the forehead. Together they help the bee spot flowers, light, and even the position of the sun during flight.

Answer: 30

A blue whale can grow up to 30 meters long. That is longer than three city buses in a row. It is the largest animal that ever lived on Earth, bigger than any dinosaur. Its heart alone is the size of a small car.

Answer: 70

An ostrich runs away at up to 70 kilometers per hour. That makes it the fastest bird on land. It cannot fly, but its long legs are incredibly powerful. A single well-aimed kick from an ostrich could seriously injure a lion.

Answer: 9

A kangaroo can cover up to 9 meters in a single leap. That is longer than a city bus at the stop. With its strong back legs, it bounces like on a pogo stick. The long tail keeps it balanced in the air.

Answer: 5

A bear hibernates for about 5 months. During this time, it does not eat or drink. Its heart beats much slower, and its body uses very little energy. That is why in autumn, the bear eats until it has a thick layer of fat.

Answer: 200

On a hot day, an elephant can drink up to 200 liters of water. That fills a whole bathtub. It sucks up the water with its trunk and squirts it into its mouth. It also uses the trunk to shower itself and cool down.

Answer: 20

Lions rest up to 20 hours a day. That saves energy for short, intense hunts. Most of the time the females hunt, while the males guard the territory. In the midday heat, they often lie in the shade of a tree.

Answer: 32

An adult human normally has 32 teeth in the mouth. That count includes the four wisdom teeth at the back. For many people, these never fully come through. The first baby teeth start falling out around age six.

Answer: 206

An adult human body contains exactly 206 bones. Babies are born with around 270 bones instead. Many of these small bones fuse together as we grow up. More than half of all our bones sit in our hands and feet.

Answer: 8

Our Solar System has eight planets. Mercury, Venus, Earth and Mars are small rocky worlds. Jupiter, Saturn, Uranus and Neptune are huge gas planets. Pluto has officially been counted only as a dwarf planet since 2006.

Answer: 100°C

Water boils at 100 degrees Celsius. This only works at sea level though. On a high mountain, water boils at around 85 degrees already. The reason is lower air pressure, which pushes less on the liquid.

Answer: 50

The USA has 50 states. The first 13 founded the country in 1776. The last one was Hawaii, which joined only in 1959. Each star on the US flag stands for one state. Alaska is the largest and Rhode Island the smallest.

Answer: 12

The flag of the European Union shows twelve golden stars. They form a circle on a blue background. The number has nothing to do with the member count. Since ancient times twelve has stood for unity and perfection. Even when new countries join, there are still twelve stars.

Answer: 13

The US flag has 13 stripes. Seven are red and six are white. They stand for the 13 founding colonies. The 50 stars, in contrast, represent today's states. The flag therefore shows both the beginning and the present of the country.

Answer: 3

There are three Great Pyramids at Giza in Egypt. They are named Khufu, Khafre and Menkaure. The Khufu pyramid is the largest and was built more than 4,500 years ago. It remained the tallest structure in the world for over 3,800 years.

Answer: Africa

The Sahara lies in Africa, in the northern part of the continent. It is the largest hot desert in the world and covers about 9 million square kilometers. That is nearly the size of the whole United States. Eleven countries share a piece of this huge desert.

Answer: Mediterranean Sea

The Mediterranean Sea separates Europe and Africa. At its narrowest point, the Strait of Gibraltar, the coasts are only 14 kilometers apart. The sea covers more than two million square kilometers. For thousands of years it has been a key route for trade and travel.

Answer: Venice

Venice is known as the City of Canals. The city lies in northern Italy on more than 100 small islands. Instead of roads there are around 150 canals and 400 bridges. In Venice people move around mostly by boats and gondolas.

Answer: Switzerland

The Matterhorn stands on the border between Switzerland and Italy. It is most famous from the Swiss side, especially from the village of Zermatt. The mountain rises 4,478 meters and has an almost perfect pyramid shape. It is one of the most famous symbols of Switzerland.

Answer: Australia

The Great Barrier Reef lies off the coast of Australia. It is the largest coral reef on Earth and stretches over 2,300 kilometers. You can even see it from space. Many rare animals like turtles and sharks live in its waters.

Answer: 5

An elephant has five toes on each foot, even if you can barely see them. They hide inside a thick, padded skin. On the outside only three or four toenails show. The soft pads make an elephant walk surprisingly quietly.

Answer: 16

A giraffe spends up to 16 hours a day eating. All day long, it chews leaves from tall trees. Its favorite meal is the acacia with its sharp thorns. Its thick tongue protects it from getting hurt. In one day, a giraffe eats about 30 kilograms of food.

Answer: 300

A duck can lay up to 300 eggs in one year. That is almost an egg a day. Chickens lay about the same number. Duck eggs are usually a bit bigger and taste richer. Wild ducks lay far fewer, because they only breed once a year.

Answer: 5 rings

The Olympic symbol shows five colored rings linking together. They stand for the five inhabited continents: Africa, the Americas, Asia, Europe, and Oceania. Pierre de Coubertin designed the symbol in 1913. The colors were chosen so every national flag shares at least one of them.