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The correct answer is 10 bees! On average, a bee weighs 90 – 100 milligrams.

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The correct answer is Never! Bees never sleep but can be found resting in empty cells.

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The correct answer in nectar. It is found inside of flowers.

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The correct answer is 1000 – 3000 eggs! Sometimes only 1 out of 3 eggs live to become adults.

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The correct answer is 180 times per second. Hummingbirds beat about 80 times per second.

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The correct answer is 80 times her body weight! This is equal to 12 year old boy eating about 24,000 quarter pound hamburgers from McDonalds… every day!

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The correct answer is a flat spiral. The Milky Way has four spiral arms radiating out from a central cluster of stars or “nucleus”. Our solar system is located on one of the spiral arms, quite far from the center.

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A shark’s skeleton is made of cartilage, a material somewhat softer and more flexible than bone.

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The correct answer is “a liquid at room temperature!” Mercury, or quicksilver, is also quite poisonous.

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The correct answer is a diamond! This process, occurring in the Earth’s crust, produces natural diamonds.

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The correct answer is a meteorite impact! A large meteorite is thought to have collided with the earth at the end of the Cretaceous period, some 65 million years ago. The extinctions were caused by climate changes resulting from the collision.

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The correct answer is H2O. This means that it contains 2 hydrogen (H) atoms joined to one oxygen (O) atom. When atoms are joined together they make a molecule.

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The correct answer is a butterfly! A caterpillar is one of the stages in the life cycle of a butterfly. The caterpillar eats lots of food then makes a case for itself called a chrysalis and comes out as a beautiful butterfly.

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The correct answer is water! Clouds are made of water. When a cloud gets too full of water, it rains. If it’s really cold, the rainwater freezes and this is when we get snow.

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The correct answer is meat! Carnivores are animals that eat mostly meat.

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The correct answer is light! Light travels at about 670,616,629 miles per hour! (That’s over 670 million miles per hour)!

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The correct answer is an Astronomer! Astronomers also study planets and other celestial bodies.

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The correct answer is the equator! The Equator divides the Earth exactly in half! The top half is called the Northern Hemisphere and the bottom half is called the Southern Hemisphere.

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The correct answer is the heart! The heart pumps blood around our bodies for us. If you put your hand to your chest, you can feel your heart going “thud-thud” – the “thud-thud” sound is your heart pumping blood.

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The correct answer is Oxygen! The oxygen in air is absorbed in our lungs and keeps us alive. The air we breathe contains lots of different gases such as nitrogen. Less than a quarter of the air around us is oxygen, but that’s all we need!

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The correct answer is it changes from a solid into a liquid. If you put an ice cube on the sink, it will slowly change from a solid little block of ice into a puddle of water as it melts.

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The correct answer is an Earthworm. An earthworm is one of a number of animals that don’t have backbones (spines). Animals without backbones are called invertebrates.

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The correct answer is when the moon is full, it looks like a circle in the sky. The moon shines and looks bright at night because light from the sun is bouncing off its surface.

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The correct answer is a solution! When you dissolve something in something else, it is called making a solution. A cup of tea is a solution too, but I need some tea-leaves to make that as well as sugar!

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The correct answer is the third planet from the Sun. The Earth is almost 150 million kilometres from the sun! This is just the right distance – any closer, and it would be too hot for us; any further away, and it would be too cold.