Geologic Time Scale
What are the 4 periods of the Geologic Time Scale?
Precambrian, Paleozoic, Mesozoic, and Cenozoic Eras
What breaks down rocks?
Weathering
How do maps and globes represent earth?
maps and globes are drawn to scale and use symbols to represent features on Earth's surface. To show Earth's curved surface on a flat map, mapmakers use projections.
How do waves shape the coast?
Through erosion by breaking down rock and moving sand and other sediment.
Goggles are worn during science experiments -
A) to improve vision
B) any time chemicals, heat, or sediments are used to protect your eyes
C) only if you don't have glasses
D) to avoid eye strain
B) any time chemicals, heat, or sediments are used to protect your eyes
What is a unit of time that subdivides eras?
Period
What is the definition of erosion?
The process of wearing down or carrying away rocks.
How is distance measured in degrees?
Distances on Earth are measured in degrees from the equator and the prime meridian.
What coastal features are formed by waves?
beaches, sandbars, barrier islands and spits.
If you don't understand the directions or part of a lab procedure, you should -
A) try several methods until something works
B) ask the teacher before you start
C) skip it and go to the next part
D) figure it out as you do the lab
B) ask the teacher before you start
What is a long unit of time used to divide the time between Precambrian Time and the present?
Era
What are the two types of weathering?
mechanical and chemical weathering
What are longitude and latitude?
The lines of longitude and latitude form a grid that can be used to find locations anywhere on Earth.
What is the process of waves repeatedly hitting the beach at angle causing beach sediment to move down the beach with the current?
longshore drift
After completing an experiment, all material waste should be -
A) left at your table for the next class
B) dumped into the sink
C) taken home
D) disposed of according to your teacher's directions
D) disposed of according to your teacher's directions
What is a record of geologic events and the evolution of lifeforms as shown in the fossil record?
Geologic Time Scale
What is the difference between mechanical and chemical weathering?
mechanical - rocks physically broken into pieces
chemical - produces new minerals as rocks break down
Fill in the blank:
You can express the location of any point on Earth by using ___________ and ______________.
longitude and latitude
What is a barrier island?
You have been injured in the the lab (cut, burned, etc.) First you should -
A) visit the school nurse after class
B) apply first aid yourself
C) tell the teacher at once
D) see a doctor after school
C) tell the teacher at once
Put the 4 eras of the Geologic Time Scale in order.
Precambrian, Paleozoic, Mesozoic, and Cenozoic Eras
What are two types of mechanical weathering?
Answers can include animal actions, freezing and thawing, plant growth, release of pressure and abrasion.
Look at the map provided, what are the longitude and latitude of Cairo Eygpt?
...
What is a beach?
an area of wave washed along a coast.
When getting glassware and equipment for an experiment, you should -
A) clean any glassware that looks dirty
B) examine all glassware to check for chips or cracks
C) read all directions carefully to know what equipment is needed
D) All of these
D) All of these