The earth's history

How old is the Earth?

• 4,500 years old

• 45 years old

• 4,500,000 years old

• 4.5 billion years old

Which of the following periods is the age of dinosaurs?

• Stone Age, Bronze Age, Iron Age

• Paleozoic, Mesozoic, Cenozoic

• Triassic, Jurassic, Cretaceous

• Pre-Cambrian, Cambrian, Devonian

What type of animal are dinosaurs?

• Mammals

• Birds

• Reptiles

• Fish

Mark all possible causes that could lead to the extinction of dinosaurs:

• A giant asteroid hitting Earth

• Large mammals eating dinosaur eggs

• Alien invasion

Which of the following dinosaurs is a carnivore (meat-eater)?

• Brachiosaurus

• Triceratops

• Stegosaurus

• Tyrannosaurus Rex

'Extinction' means what?

• Living everywhere

• Sleeping

• Not yet born

• No longer existing

What is a fossil?

• A living animal

• A type of rock

• The remains of an ancient plant or animal species

• Dinosaurs' eggs

Which animal is the closest living relative of dinosaurs?

• Snake

• Bird

• Lizard

• Crocodile

'Living fossil' is what?

• A fossil that is still soft

• A dinosaur that is still alive

• A living animal similar to the animals from millions of years ago

• An animal that has turned to stone

Who study fossils and ancient forms of life ?

• Geologist

• Astronomer

• Paleontologist

• Meteorologist