Earth's Surface
Which layer of the Earth is the thinnest?
The Crust
The possibility of genetic traits being passed from parten to offspring is...
Heredity/Genetics
In order for you to sit still on a chair, what must be happening?
All of the forces acting on the chair are balanced
The strength of a magnetic field can be measured
a. Using a yardstick
b. Observing how many items of a particular type are picked up
c. By seeing if it will attract to pennies
d. By putting the magnet on a bathroom scale to test its weight
B
What is the name of the supercontinent that existed millions of years ago, before the continents began to drift apart?
Pangea
Which layer or layers of the Earth have convection currents?
The Mantle
An allele trait that only shows up with no dominant allele is present is a...
Recessive allele
What is the force that resists motion between two surfaces that are in contact?
Friction
What is the definition of inertia?
The tendency for an object to resist change in motion
Which of the following is NOT a piece of evidence supporting the theory of plate tectonics?
a. Matching fossils found on different continents
b. Similar rock formations found on different continents
c. The presence of volcanoes and earthquakes along plate boundaries
d. The Earth's magnetic field
D
Which layer of earth is SOLID metal?
The inner core
What is one advantage of sexual reproduction over asexual?
Genetic diversity
Which is an example of a balanced force?
a. A sled going down a hill
b. A person kicking a soccer ball
c. A tug-of-war game in which no one wins
d. A horse running
C.
Earth's magnetic field reverse every couple of thousand years. True or false?
True
What type of plate boundary is most likely responsible for a volcano erupting?
Convergent
Which layer is the SECOND hottest?
The outer core
Create a punnett square for the following cross. R= red r= pink. Two flowers cross. One is Rr and the other is rr. What are the genotype percentages and the phenotype percentages?
Rr- 50%
rr- 50%
Red-50%
Pink- 50%
Which of the following statements does NOT apply to Newton’s Second Law of Motion?
a. The acceleration of an object is dependent upon the net force acting upon the object
b. The more mass an object has, the more force it takes to move it
c. The force required to accelerate an object equals the object’s mass times its acceleration
d. If you apply different forces to to objects of the same size, they will accelerate equally
D.
Name one machine that uses electromagnetism
MRI machine, giant magnet in junk yard, bullet train in Japan
What happens to crust at a covergent plate boundary where subduction occurs?
Part of the crust sinks below the other part
Which layer of Earth has the most volume?
The mantle
Genetics and heredity always pass down beneificial traits. True or false?
False
Unless a unbalanced force is applied, what will a moving object do naturally?
With magnets, ___________ attract and _____________ repel
Opposites and same
Tectonic plates and pieces of oceanic crust and continental crust floating ontop of which layer of earth?
The mantle