Evolution (& genetics)
Earth's Place
Force and Motion
Energy
Waves
100
Structures that are similar but have different functions are called ____________.
homologous structures
100
What is the reason for seasons?
The Earths tilt of 23.5 degrees
100
An object at rest will stay at rest unless acted upon by...
an unbalanced force
100
Kinetic energy is the energy an object has because it is ___________.
moving
100
The number of waves that can pass a given point in one second.
a. Amplitude
b. Friction
c. Crest
d. Frequency
d. Frequency
200
Individuals with favorable traits survive, reproduce and pass on their traits to their offspring. What is this process called?
a. Mutation b. Evolution
c. Adaptation d. Natural selection
d. Natural selection
200
When the moon blocks the Sun's light, a ________ eclipse occurs.
Solar
200
In order for you to sit still on a chair, what must be happening?
All of the forces acting on the chair are balanced
200
What will happen to the kinetic energy if you double the mass?
a. The kinetic energy would be cut in half
b. The kinetic energy would double
c. The kinetic energy would be the same
d. The kinetic energy would turn to potential energy
B. The kinetic energy would double
200
When electromagnetic waves (light waves) are absorbed by an object, what happens?
a. Nothing
b. The object moves
c. The objects stops moving
d. The object becomes warmer
d. The object becomes warmer
300
Who "chooses" which traits to pass down in artificial selection
humans
300
What force is responsible for planetary orbits and the round shape of celestial objects?
gravity
300
What are two things you need to know if you are solving for speed?
time and distance
300
Gravitational potential energy increases as __________ increases
height (or mass)
300
What is this called
the electromagnetic spectrum
400
A trait that enhances an organisms survival or reproductive success in a particular environment is called ________________.
an adaptive trait
400
What is the name of this moon phase?
crescent
400
Which of the following is true about an electromagnet?
a. Their strength is set and there is not much you can do to adjust the strength
b. They do not produce an energy field
c. They can be turned on and off by opening the electrical circuit
C. They can be turned on and off by opening the electrical circuit
400
What 2 things affect kinetic energy
mass and speed
400
Which of these are are advantages of digital signals?
a. Digital signals do not break down over time
b. Digital signals are not stable
c. Digital signals are lighter than analog signals
A. Digital signals do not break down over time
500
A diagram that predicts the genotypes and phenotypes of offspring between two parents
Punnett square
500
How much of the moon is illuminated at all times?
half
500
What is the unit of measure for force?
Newtons
500
Which basketball has more potential energy?
a. a ball 10 feet off the ground
b. a ball 5 feet off the ground
c. a ball 15 feet off the ground
c. a ball 15 feet off the ground
500
Sound waves need a ___________ to travel through
a. energy
b. medium
c. radio
b. medium