EARTH SCIENCE
What is the super continent that incorporated all the land masses on earth from around 335 million years ago?
Pangaea
Which electromagnetic wave has the shortest wave length.
What type of bond is formed by the transfer of electrons?
Ionic Bond
What is the process by which cells divide to form two identical daughter cells?
Mitosis
What is the name of the galaxy in which our Solar System is located?
Milky Way
Convection Current
If an object has a mass of 2 kg and is accelerating at 3 m/s², what is the net force acting on it?
(6 N – Using Newton’s Second Law)
What is the chemical formula of the compound formed when sodium reacts with chlorine?
NaCl (Sodium Chloride)
It is the programmed cell death process that allows the body to eliminate damaged or unnecessary cells in a controlled manner.
Apoptosis
What is the actual color of the sun?
White
What is responsible for the movement of earth's lithospheric plates?
Tectonic Plates
What type of electromagnetic waves have the lowest frequency and the longest wavelength?
Radio Waves
What law of chemistry says that matter cannot be created or destroyed in a chemical reaction?
The Law of Conservation of Matter
How many chromosomes do haploid cells have such as sperm and egg cells?
23
What celestial object is composed mostly of ice, dust, and gas which orbits the Sun in an elliptical manner?
Comet
It is the process that changes the molecular structure of rocks and solid.
Chemical Weathering
What are the equations for components of a vector?
Ax=Acosθ, Ay=Asinθ
For a gas-gas mixture, gas is mixed. For a solid mixture, what is mixed?
Alloys
What process breaks down glucose to release energy for cellular activities?
Cellular Respiration
What is the life cycle stage of a star after it exhausts its nuclear fuel and collapses into an extremely dense object where not even light can escape?
Black Hole
During an el nino event, what typically happens in the pacific ocean?
Surface water near South America gets warm.
A car accelerates uniformly from rest and covers 80 meters in 4 seconds. What is its acceleration?
10 m/s²
A scientist mixed 5.00 grams of stardust into 3,500,000 grams of space juice. What is the stardust concentration in ppm?
1.43 ppm
What type of non-Mendelian inheritance where both alleles in a heterozygous genotype are fully expressed?
Codominance
What do scientists call the lengthening of light waves from galaxies, making them appear redder, as a result of the expanding universe?
Cosmic Redshift