Unit 1 Forces
A push or a pull
Force
A wave is a transfer of
Energy
How long does it take Earth to do one complete ROTATION?
24 hours
1 day
Adaptations are caused by ________
Mutations
Where is the genetic material located in a cell?
the nucleus
acceleration depends on these two things: Force and ________.
Force and Mass
The height of a wave is called the
amplitude
What FORCE keeps all 8 planets orbiting around the sun?
Gravity
Many animals look very similar as embryos. This shows us that they likely share a _________ _______________.
common ancestor
Recessive
Speed is equal to Distance divided by
Time
The term for the distance between crest and crest is called the
wavelength
What two main things cause the Earths 4 seasons?
Tilt and Orbit
What are three pieces of evidence for the theory of evolution?
fossils, anatomy and embryology.
These "changes" to DNA happen millions of times everyday but are usually fixed and are neutral. These are called ___________.
Mutations
Velocity is both SPEED and a given
direction
The lowest part of a wave is called the
trough
How many days does it take for the moon to go from NEW MOON to FULL MOON?
14 days
2 weeks
An advantageous trait that helps an organism survive and reproduce is called a(n)
adaptation
There are three kinds of mutations that we learned about, what are those three types?
Helpful/Beneficial
Harmful/Negative
Neutral
Which of Newtons Laws states that every action has an equal and opposite reaction
Third Law
Light going through a medium is called
transmitting
What would happen to the Earth if the Sun got any bigger?
Would crash into the Sun
Remnants of a leg bone can be found in the modern whale. What can we assume about where the whale used to live?
Whales used to be land animals
What is the probability of a homozygous recessive offspring if the two parents are as follows:
Female = Rr
Male = Rr
25%
1/4