Vocabulary
Define the word "extinct"
An animal or plant that is dead and has no living members remaining
Suzy's class lined up in order from youngest to oldest. Suzy was at the front of the line. Suzy said that she had to be younger than anyone else in the class, but she did not actually know everyone's age. What skill was Suzy using when she made this claim?
Relative Age
One thing that can cause a change in rock layers is a violent shaking of the Earth that comes when two of Earth's plates shift quickly. What do we call this natural disaster where the Earth shakes violently?
Earthquake
What is a fossil?
The hard remains of a once living animal.
Name one step in the Engineering Design Process.
Ask
Imagine
Plan
Create
Improve
Communicate
Define the word fossil.
The hard remains of a once living thing.
Where would we find the oldest rock layer?
If a river flows in the same location for millions of years, it can start to carve the rock layers out. What do we call this new formation that is created when the water carves out the rock layers?
(Hint: there is a Grand one in our country)
Canyon
We learned about two types of fossils, named for where the animal most likely lived. What were those two types of fossils?
Aquatic and Terrestrial.
What is the definition of the word "energy" in science?
The ability to cause change.
Define the word "relative age".
When you compare the ages of two items without using their actual true age.
Where would we usually find the newest rock layer?
Closest to the surface.
One thing that can cause changes to rock layers is pressure. This pressure comes when giant, underground pieces of our Earth shift and move. What do we call these massive chunks of land that are always moving?
Plates
Fins, flippers, gills, etc.
Name the four parts of a wave.
Crest
Trough
Amplitude
Wavelength
Define the word "aquatic".
An animal or plant which lives in the water.
Take a look at the rock layers on the board. Which layer is the oldest? How do you know?
Sandstone. It is the closest to the bottom.
Take a look at the picture on the board. What most likely caused the rock layer to change like that?
Earthquake, because of the split between the two layers.
What is a feature you might look for to prove a fossil is terrestrial?
Hooves, feet, legs, fur, etc.
Plants and flowers produce a special powder to help them reproduce. This powder gets carried between plants on bugs, especially bees. What is the name of this special powder?
pollen
Define the word "terrestrial".
An animal or plant that lives mainly on the land.
Explain how we know a rock layer is older if it is further from the surface?
If the rock layer has been around a long time, it would have been covered up and buried by many other younger rock layers over the years.
There are three main ways rock layers can change that we talked about. Name one.
Earthquakes
Heat and Pressure
Water
Take a look at the picture on the board. Notice the fossils in each layer of this rock formation. What do these fossils tell us about the way the environment has changed over time?
The environment has changed from aquatic to terrestrial, based on the fossils
What are the four steps of Erosion?
Weathering
Sediment
Erosion
Deposition