Physics and theories
The force that attracts a body toward the center of the earth, or toward any other physical body having mass.
What is gravity?
A self-replicating material which is present in nearly all living organisms as the main constituent of chromosomes. It is the carrier of genetic information.
What is DNA?
A fossil of a footprint, trail, burrow, or other trace of an animal rather than of the animal itself
What is a trace fossil?
When the sun reaches its highest or lowest point in the sky at noon, marked by the longest and shortest days
What are summer and winter solstice?
Mass and distance
What are the two main forces that affect gravity?
They are inherited by being passed from parent to offspring.
How are traits inherited?
A landmass that was once existed when all of the continents fit together like a puzzle.
What is Pangaea?
When the sun disappears and is covered by the moon.
What is a solar eclipse?
The theory that natural selection cause species to change over time.
What is the theory of evolution?
23 pairs
How many chromosomes does a human have?
The trapping of the sun's warmth in a planet's lower atmosphere, due to the greater transparency of the atmosphere to visible radiation from the sun than to infrared radiation emitted from the planet's surface.
What is the greenhouse effect?
The shadow cast by the sun or the moon when an eclipse occurs.
What is penumbra?
A type of reproduction that creates more genetic variety.
What is sexual reproduction?
The state or process of a species, family, or larger group disappearing.
What is extinction?
The order of the planets
What is Venus, Mercury, Earth, Mars, Jupiter, Saturn, and Uranus? (if planet nine is used, it is last)
The way an offspring appears of behaves.
What is phenotype?
A person that studies fossils.
What is a paleontologist?
A celestial object consisting of a nucleus of ice and dust and, when near the sun, a “tail” of gas and dust particles pointing away from the sun.
What is a comet?