Science bee practice round 1 and two

Science bee practice round 1 and two

What is the earliest known member of the class that split from birds around 65 million years ago and includes turtles, lizards, and snakes?

Reptiles (or Reptilia)

According to Ptolemy, which object was the center of the universe, the third planet from the sun?

Earth

What reproductive structures of certain plants are characterized by the presence of pistil and stamen and are colorful?

Flowers

What meteor shower is produced by Halley’s comet and is associated with a famous constellation featuring a belt?

Orion

What molecule, containing adenine, cytosine, guanine, and thymine, is replicated in the lab technique PCR?

DNA (or Deoxyribonucleic Acid)

What warm ocean current begins in the southern U.S. and travels along the eastern coastline through the North Atlantic?

Gulf Stream

What dinosaur, whose two species include horridus and prorsus, may have defended itself with three horns?

Triceratops

What particles are negatively charged and orbit the nucleus of an atom, possessing antiparticles called positrons?

Electrons

What quantity is inversely proportional to pressure and has a value of 22.4 for one mole of an ideal gas?

Volume

What hormone, released by beta cells in the pancreas, is involved in blood sugar modulation?

Insulin

What task commonly performed by first responders is associated with the use of extinguishers and water?

Fire Fighting (or Extinguishing Fires)

What type of devices includes telescopes, such as the one named for Edwin Hubble?

Telescopes (or Space Telescopes)

What large Asian desert, home to the Bactrian camel, was formed by the rain shadow of the Tibetan Plateau?

Gobi Desert

What blood vessels carry blood away from the heart and include structures such as the aorta?

Arteries (or Artery)

What compounds found in vinegar exhibit a pH below 7 and are characterized by the donation of hydrogen ions?

Acids

What element, represented by the symbol Fe, is naturally ferromagnetic and forms steel when alloyed with carbon?

Iron

What common insect, often used in genetics studies, has a genome that was completely sequenced in 2000?

Fruit Fly (or Drosophila melanogaster)

What concept refers to a computer's ability to think like a human brain and was evaluated by a test named after Alan Turing?

Artificial Intelligence (or A.I.)

What fuel source, which must be halved by 2030 to meet Paris Agreement criteria, includes lignite and anthracite?

Coal

What psychological condition, formerly known as shell shock, is characterized by flashbacks and recurring nightmares?

PTSD (or Post-traumatic Stress Disorder)

What class of compounds characterized by a hydroxyl group includes methanol and ethanol, found in beer and liquor?

Alcohols

What nerve cells transmit signals in the nervous system and are categorized into sensory and motor types?

Neurons (or Nerve Cells)

What phenomenon occurs when a star accumulates a massive iron core, potentially leading to a type of stellar explosion?

Supernova

What expressions contain coefficients and variables, with the Fundamental Theorem of Algebra stating they have n complex roots?

Polynomials

What layer of the Earth, known for its abundant oxygen and silicon, lies above the mantle?

Crust

Who published explanations for Brownian motion, mass-energy equivalence, and special relativity in his 1905 papers?

Albert Einstein

What operation, often thought of as repeated addition, is not commutative for matrices and includes exponentiation?

Multiplication

What organ, the largest in the human body, is part of the integumentary system and affected by conditions like eczema?

Skin

What process describes a liquid turning into gas, also used to cool the body through sweating?

Evaporation (or Vaporization)

What heavily armored military vehicles include types like the British Mark I and the Soviet T-34?

Tanks

What element, essential for organic molecules, is found in forms like graphite and is fundamentally important for life?

Carbon

What objects, including coprolites, were collected by Mary Anning and are studied by paleontologists?

Fossils

What planet, known for its Great Dark Spot, has a moon named Triton and is located farthest from the Sun?

Neptune

What quantity, approximately 6 times 10 to the 23rd power, equals the number of particles in a mole?

Avogadro's Constant (or Avogadro's Number)

What quantity measures a fluid's internal resistance to flow and is used to calculate the Reynolds number?

Viscosity

What process in plants involves using light energy to produce sugars within chloroplasts?

Photosynthesis

What regions of supermassive gravity from which light cannot escape are formed from precursor stars exceeding the Tolman-Oppenheimer-Volkoff limit?

Black Holes

What Swedish chemist invented dynamite and founded the prizes awarded for literature, peace, and science?

Alfred Bernhard Nobel

What substances speed up chemical reactions and provide an alternate pathway by stabilizing the transition state?

Catalysts

What element, commonly found in balloons, is the second most abundant in the universe and can create a superfluid when cooled?

Helium (or He)

What function, denoted by an exclamation point, is defined as the product of all positive integers less than or equal to n?

Factorial

What organelle protects the inner organelles of a cell and allows smaller molecules to pass through?

Cell Membrane

What Australian marsupial is known for its various species, including tree variants and the red kangaroo?

Kangaroo

What planet, often referred to as

Venus

What group of elements includes helium, neon, and argon, characterized by full valence electrons?

Noble Gases

What disease, transmitted by mosquitoes, led to the founding of the CDC and was effectively eradicated in the U.S. with DDT?

Malaria

What pictograms, commonly used in text messages, include a variety of facial expressions and objects?

Emojis

What tall buildings, innovative due to the safety elevator, were constructed using the Chicago skeleton method?

Skyscrapers

What polygon, characterized by three sides and a sum of angles equal to 180 degrees in Euclidean space, is also known for its orthocenter?

Triangle

What natural disasters measured by the Fujita scale can develop from supercells and include events like waterspouts?

Tornadoes (or Twisters)

What nutrient-rich mixture of organic material is essential for planting and is layered into horizons in pedology?

Soil

What color, signifying a type of beryl known as emerald, is used to name an African dam aiming to halt overgrazing?

Green

What invasive medical technique uses instruments to treat a patient's condition and has ancient descriptions in historical texts?

Surgery

What sweetener produced by bees from nectar is stored in hexagonal wax combs and does not spoil?

Honey

What high-altitude biomes include regions where the pika and guanaco can be found, stopping above the snow line?

Mountains (or Alpine regions)

What region of the Earth lies between the inner core and the crust and is responsible for tectonic plate movement?

Mantle

What armored mammals include the nine-banded type, known for birthing identical quadruplets and can roll into a ball?

Armadillos

What heavenly body saw Buzz Aldrin and Neal Armstrong as the first two people to reach its surface in 1969?

The Moon (or Luna)

What stimulant commonly found in tea and coffee is synthesized from dimethylurea and malonic acid?

Caffeine

What military weapons trigger diplomatic crises, such as the 1962 Cuban Missile Crisis, and use fission reactions?

Nuclear Weapons

What three-dimensional shape has a surface area of 4 pi r squared and a volume of four thirds pi r cubed?

Sphere

What computer storage component, supported by various types, comes in forms like RAM and ROM?

Memory

What organisms, often contributing to rapid oxygen depletion known as “blooms,” include types like cyanobacteria and seaweed?

Algae

What disease was eradicated in the 1970s due to Edward Jenner's first vaccines and is caused by Variola viruses?

Smallpox