Grade 6 - Inquiring Minds Want to Know ...
Mrs. Wdowiak asked her grade 6 students to think of an unusual science question that would be of interest to most people. She then asked them to research the topic to find an answer on the internet.

Question: How long did dinosaurs live until they became extinct?

Answer: Dinosaur’s lived for sixty-five million years and then became extinct. The reason they became extinct is because meteors crashed and killed them all.

By: Nicholas B.


Question: What’s the newest planet discovered? (2010)

Answer: The newest planet discovered is CoRot-9b. It took 60 astronomers worldwide to find this planet. It is located 15 000 light years away from Earth. This planet orbits a star similar to our sun and is located in the Serpans Clauda constellation. It was discovered March 18th, 2010.

By: Nestor B.


Question: Why are snails so slow?

Answer: Snails use a slime-based factor to travel. Even though they have very tiny legs, they are so small they can’t move very fast.

By: Grace C.


Question: How tall is a giraffe?

Answer: A giraffe is one of the largest animals in the world. To be more specific, males are 19 feet tall and weigh between 2,400 and 3,000 pounds! Females are 16 feet tall and weigh approximately 1,600 pounds!

By: Alexis D.


Question: How did the dinosaurs become extinct?

Answer: According to this theory, large asteroids were coming to earth at high speed and killed every living thing on the planet. This is one of many theories, and there are many more like volcanic activity, disease, and the gradually change in climate. This is why the dinosaurs became extinct.

By: Illeana F.


Question: What is the oldest living organism on Earth?

Answer: The oldest organism is the bristlecone pine tree. It is known as Methuselah tree and can live to be up to 5000 years old.

By: Orest F.


Question: What is the smallest planet?

Answer: The smallest planet in the solar system is Mercury. It measures 4879 km in diameter. The smallest planet used to be Pluto but now that it is not a planet. Mercury is now considered the smallest.

By: Bhavna G.


Question: How hot is the sun?

Answer: The sun is 15 million degrees Celsius or 27 million degrees Fahrenheit. The sun is much hotter in the core than on the surface. The temperature of the sun rises out from the surface into the solar atmosphere.

Name: Kaitlyn H.


Question: Why do zebras have stripes?

Answer: Zebras have stripes to make them blend in with the scenery and keep them safe from attack. It doesn’t matter that they are black and white, because their main predator, the lion, is colour blind.

By: Breanna H.


Question: How many teeth does a shark lose in a life time?

Answer: Sharks lose approximately 35,000 teeth a life time. Young great white sharks replace their teeth every 100 days while old great white sharks replace their teeth every 230 days.

By: Maksym H.


Question: Why does the female praying mantis kill the male after they reproduce?

Answer: The female mantis needs food before it lays all those eggs. The male would die shortly anyways after they reproduce. Therefore, it makes sense for the female to kill the male.

By: Eric K.


Question: How many bald eagles are left in the world?

Answer: Their are around 110,000 - 115,000 now but in the 18th century there were 300,000 - 500,000. By the 1950‘s there were only 412 but now there are 110 - 115 000. Also the bald eagle is the national bird of the United States of America.

By: Michael K.


Question: Why do elephants have big ears?

Answer: The elephant has big ears because it helps them to cool them off because elephant don't sweat and have a hard time staying away from the heat. The ear of an elephant has a lot of blood vessels which allows all the heat to escape into the air. When you see an elephant moving its ears back and forth, this fanning helps the elephant cool off.

By: Mikayla L.


Question: Why do giraffes have spots?

Answer: Giraffe spots are important for camouflage. Each giraffe has different shaped spots and different sized spots. These spots help them blend in with the branches around them. The yellow hides the giraffes’ legs in the long savanna grasses so predators can’t find them.

By: Lily M.


Question: Why do trees in autumn lose their leaves?

Answer: Trees make food during summer from the sunlight through leaves and turn it food. This is called photosynthesis but due to lack of sunlight during the winter, the trees store just the right amount of food to maintain the branches and the trunk but not the leaves. So to save the food supply, the trees lose their leaves.

Name: Cassandra P.


Question: How do sharks sense blood?

Answer: How they sense blood is with their amazing sense of smell, and did you know that they can even smell one drop of blood in a million drops of water?

Name: Michael P.


Question: How many teeth does a shark go through in a life time?

Answer: Sharks lose about 35,000 to 50,000 teeth in their lifetime and a shark has two or three rows of teeth with 20 to 30 teeth in each row.

Name: Darian P.


Question: Why is the sky blue?

Answer: A clear cloudless day-time sky is blue because the air scatters blue light from the sun more than it scatters red light. When we look towards the sun at sunset, we see red and orange colors because the blue light has been scattered out and away from the line of sight.

Name: Brandon P.


Question: Why is the ocean salty?

Answer: The ocean is salty because when water flows it picks up small amounts of broken rock and minerals. The minerals mix with the water and stay.

Name: Alexis S.


Question: Why do horses sleep standing up?

Answer: The main reason that horses sleep standing up is because they are safer that way. If a predator comes, the horse can wake up and run away. Also, if a horse lies down for a long time, it will die because its lungs will be crushed. A horse cannot get comfortable when it is lying down.

Name: Anya S.


Question: How thick is an elephant’s skin?

Answer: Their skin can be 2.5 to 3 cm thick.

Name: Maria T.


Question: Why do leaves change colour in the fall?

Answer: The green pigment chrlorophyll covers up the colour of the leaf so we can only see the green. When fall begins the leaf begins to die. There’s less sunlight so the leaf doesn’t make enough food. The chlorophyll begins to break down. The green disappears and the other colour begins to show. Chlorophyll: the green outer layer on a leaf that’s made by food.

Name: Kylie T.


Question: Why do giraffes have long necks?

Answer: Giraffes have long neck so they can reach high places to get food. Giraffes have long necks so they can us their neck for fighting by swinging it. Males have longer necks so they can deliver a stronger blow to opponent and win the female.
Fact: A giraffe’s tongue can extend 18 inches.

Name: Jeanny V.


Question: Why do giraffes have brown spots?

Answer: A giraffe’s brown spots are important to them for camoflauge. The brown on their spots blends in with the trees around them so predators can’t catch them. No two spots are alike. Each spot is a different size and shape.

By: Natalia W.