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What is the largest bird in the world?
The ostrich
What kind of animal is the platypus?
Mammal
Name one renewable source of energy
Solar
What organ pumps blood around the body?
Heart
Which country has the most people in the world?
India
How fast can an ostrich run — up to 70 km/h or 30 km/h?
Up to 70 km/h
What special body part does the platypus use to sense electricity in water?
Its bill (electroreceptors)
What renewable energy comes from moving air?
Wind energy
Which part of the blood carries oxygen?
Red blood cells
What mammal can fly?
Bat
Why do ostriches sometimes eat stones?
To help grind food in their stomach
What poisonous feature do male platypuses have on their back legs?
Venomous spur
Which renewable energy uses sunlight to make electricity?
Solar energy
How many chambers does the human heart have?
Four
What is the fastest land animal?
Cheetah
What do peacocks use their colorful feathers for?
To attract mates
In which country can you find platypuses in the wild?
Australia
What renewable energy comes from water flowing in rivers or dams?
Hydropower
Why blood is red in colour?
Blood is red because it has hemoglobin, a protein in red blood cells. Hemoglobin contains iron, and when iron mixes with oxygen, it makes blood look red.
How many bones are in the adult human body?
206
What does a female peacock look like ?
It has brown, dull feathers
Why do the eat almost all the time?
They do not have stomach
Why are renewable sources of energy better for the environment than fossil fuels?
They don’t pollute as much and don’t run out
Why is blood important?
It carries oxygen from the lungs to all the cells.
It brings nutrients from food to give us energy.
It takes away waste products like carbon dioxide.
It helps fight infections with white blood cells.
It keeps the body at the right temperature.
Which river is the longest in the world?
The Nile River