Earth Science
The Earth's atmosphere is composed of about 71% of this element.
Nitrogen
This is the first stage of mitosis where Chromosomes condense and become visible, and the mitotic spindle forms.
Prophase
A substance releases heat when it changes from this phase of matter to this other phase of matter.
Liquid to Solid
Newton's 2nd Law states this.
F=ma
This man was the first person to step foot on the moon.
Neil Armstrong
What are the three main types of rock that go through the Almighty Rock Cycle?
Igneous
Metamorphic
Sedimentary
How many pairs of chromosomes does a normal human have?
23
This element has exactly five electrons in the highest principal energy level (the outer shell)?
Phosphorous
What is the force of gravity on Earth?
You may round to the nearest tenth.
9.8
m/s^2
Approximately, how long does it take light to travel from the sun to Earth?
8 min
How old is the Earth?
(answer must be within 100 million years)
4.5 billion years
What anatomical structure connects the stomach and the mouth?
Esophagus
These can be found in the nucleus of an atom and have a positive charge.
Protons
This is the energy of movement.
Kinetic
This is the year we landed on the moon.
1969
This is a natural fuel such as coal or gas, formed in the geological past from the remains of living organisms.
Fossil Fuel
Breathing properly requires the presence of this compound that affects surface tension of alveoli in the lungs.
Surfactant
This person won two Nobel Prizes: one in Physics in 1903, shared with her husband, Pierre Curie, and Henri Becquerel, and another in Chemistry in 1911, making her the first person to win two Nobel Prizes and the only person to win in two different scientific fields.
Marie Curie
This type of motion can describe how Mr. L throws a student through a window.
Projectile Motion
This is the number of moons Jupiter has.
95
The third step of photosynthesis, within this cycle, is regeneration of RuBP, where the cycle's starting molecule is renewed, enabling it to continue fixing carbon dioxide?
Calvin Cycle
This is the functional unit of the kidney.
Nephron
This type of covalent bond where electrons are shared unequally between two atoms, resulting in one atom having a partial negative charge and the other a partial positive charge due to a difference in electronegativity.
Polar
This is a property of matter by which it continues in its existing state of rest or uniform motion in a straight line, unless that state is changed by an external force.
Inertia