Vocab.
What is a natural feature on Earth ?
landform
What is a pint or part of a plant or animal that lived long ago?
Fossil
What covers most of Earth's surface?
water
Name a fast change to earth
truck digging a hole, volcano, earthquakes,
What clues can a fossil give about an extinct plant?
A fossil can show the size and shape of an extinct pant.
A flat area of land.
A Plain
What is a plant or animal that no longer lives on Earth ?
Name three different landforms.
mountains, hills, plains, valley, or island.
Name slow changes to Earth .
Weathering and Erosion
What is the first reason scientists study fossils?
to see how plants and animals change over time
A large body of moving ice.
glacier
What landform is surrounded by water ?
island
Name three different bodies of water.
ocean, lakes and ponds, rivers and streams, glaciers.
How are earthquakes and volcanos different?
Earthquakes can cause the land to crack. Volcanos can explode and send rock and ash into the air and over the ground.
What is the second reason scientists study fossils?
for clues about these plants and animals
when water, ice or wind break down rocks into small pieces.
weathering
What landform is very high and large ?
Mountains
Which bodies of water are made of fresh water ?
lakes, ponds, rivers, streams, and glaciers
What causes weathering ?
water, ice, or wind
What is the last reason that scientists study fossils?
To learn how Earth has changed slowly over time.
When wind, water, or other causes move rocks and soil.
Erosion
when do rivers and streams form ?
When water runs downhill
What is the difference between an ocean and a lake ?
An ocean is larger than a lake and has salt water. The lake is made of freshwater.
How does most erosion happen in dry regions?
Wind blows sand and soil to other places.
what steps must happen after the lizard dies for it to become a fossil?
Mud and sand must cover the lizard, turning to rock after a long time. The lizard remains must become rock too.