Land and water
Land changes
Fossils
100

What is a landform?

A natural feature on Earth. 

100

What is weathering? 

When water, ice or wind breaks down rocks into small pieces. 

100

What does extinct mean? 

When a living thing no longer exists, dies off. 

200

Name 2 types of landforms.

Valley, hills, mountains, islands, plains

200

What is erosion?

When wind, water, or other causes move rocks. 

200

What is a fossil? 

A print or part of an plant or animal that lived long ago. 

300

What is a glacier?

Large body of moving ice. 

300

Give two examples of erosion. 

Rockslide, mudflow, rains and moves the soil, wind through a deserts

300

Give three examples of a fossil. 

Fish from long ago, dinosaur, elephant birds, dragonfly, lizard, wooly mammoth

400

What covers the Earth?

Water covers over 2/3 of the Earth. 

400

What is an earthquake? Is this a slow or fast land change?

Causes land to crack causing damage to buildings and roads. Fast. 

400

What is sediment?

Mud and sand covers animal or plant remains which turn into rock after time and pressure. 

500
A river forms when water runs which way?

When water runs downhill. 

500

Explain the difference between lava and magma. 

Magma is inside the volcano. Once it erupts and leaves the volcano, it becomes lava. 
500

What is a scientist that studies history on Earth through fossils?

Paleontologist