Body Systems
What are the two different parts of the nervous system?
CNS (central nervous system) & PNS (peripheral nervous system)
What is the thinnest layer of the Earth?
What is the theory that all of the continents were together and drifted apart over time?
Theory of Continental Drift
What is the difference between groundwater and surface water?
Groundwater is in the ground.
Surface water is on the surface.
What is the difference between involuntary and voluntary movements?
You control voluntary movements.
You cannot control involuntary movements.
What is the difference between a tendon and a ligament?
Ligaments connect bone to other bones.
Tendons connect bones to muscles.
What 2 layers are made out of iron and nickel?
Inner and outer core.
What law says that in layers of undisturbed rock the oldest layer is found at the bottom and the youngest layer is on top?
Law of Superposition
What is it called when chemicals or trash makes its way into the rivers, lakes and oceans?
Pollution
What are the two different hormones released by the reproductive systems in males and females?
Males have testosterone.
Females have estrogen and progesterone.
What is the difference between arteries and veins?
Arteries go toward the heart and veins go away from the heart.
What layer helps create Earth's magnetic field?
Describe how mountains are created.
At a convergent boundary when two plates move toward each other and push the Earth up
Luis decides to start planting trees and vegetation along rivers and streams. Him doing this helps reduce erosion and pollution. Is this good or bad? Why?
Good. It stops pollution and erosion
What are the 3 types of muscles?
Cardiac, smooth, and skeletal
What are the three levels of response in the immune system?
Integumentary system, inflammatory response, immune response.
Where are convection currents in the Earth located?
The mantle.
Describe how an ocean basin is created
At a divergent boundary when two plates move apart. Lava comes up and is cooled by the water. That makes the ocean floor bigger
List all of the structures of surface water.
Runoff, watershed, lakes, rivers, oceans, wetlands
What muscle is at the bottom of the lungs and helps you breathe?
The diaphragm
What is the process food goes through once it enters your body? From beginning to end.
Enters the mouth, down the esophagus, into the stomach, to the small intestine, to the large intestine, into the toilet.
Why is the inner core completely solid?
Because of the pressure of all of the other layers on top of it.
A scientist studying rock layers finds a dinosaur fossil below a fish fossil. Using the law of superposition, which fossil is the oldest and how do you know?
Dinosaur fossil. It is below the fish fossil
How does building a farm next to a river harm the water?
The farm will start using pesticides and pollute the river.
What are all the parts of the blood and what do they do?
Platelets- Clot blood
Red blood cells- transport oxygen
White blood cells- fight disease
Plasma- mostly made of water and carries important materials through the bloodstream