What is Mendel's ratio?
3:1
If no light can go through an object, what type of material is it?
opaque
What can electromagnetic waves not pass though?
they can pass through everything
What force keeps Earth in orbit?
Sun's gravity
How many chromosomes are in a human egg cell?
23
What is it called when you have one copy of the dominant trait and one copy of the recessive trait?
heterozygous
What color is reflected off a leaf on a tree?
green
What is used for GPS navigation?
satellites
How many times a day does water rise and fall with the tides?
2
What are the 3 primary colors for light?
red, green, blue
If a hybrid purple flower (Pp) was crossed with a true breeding purple flower, what percentage of the offspring would be white? (P=purple, p=white)
0%
What color of light is reflected off a black surface?
no light
In 1961, the first human, an astronaut from what country was launched into Earth's orbit?
the Soviet Union
What is the shape of Earth's orbit?
a nearly perfect circle
Genetics is the study of what?
Heredity
What are the four nucleic bases in DNA?
Cytosine, Guanine, Adenine, Thymine
What is the law of reflection?
the angle of reflection is equal to the angle of incidence
You are launching a probe into space that will stay circling around the planet you want to learn about. What type of probe is it most likely?
orbiter probe
You are in the southern hemisphere and notice that today has the longest night and shortest day out of the year. What month is it?
June
What is the name of the fuzzy and less dark part of a shadow?
penumbra
If a red and white flower breed resulting in codominance, what would the offspring look like?
Red and white spots on the flower
What part of the eye does the most refraction?
the corena
What 2 electromagnetic waves can be used to see inside the body?
x-rays and gamma rays
what is shown in this image
lunar eclipse
What rate is the moon drifting away from Earth?
3-4 cm a year
What is the process of transcription?
the process of making RNA from DNA
What type of lens causes light to converge?
convex lens
What is the mnemonic used to remember the order of electromagnetic waves from longest to shortest?
Raging Martians Invaded Venus Using X-ray Guns
A year on Mercury takes around 88 days, what can be concluded about the time it takes for Mercury to rotate around the Sun?
About how many kilometers are in a light year?
9 trillion kilometers