Physics
Biology
Chemistry
Environment
Mathematics
100
The acceleration due to gravity.
What is 9.8 meters per second squared?
100
The part of the body where two or more bones meet.
What is a joint?
100
This is the smallest unit of an element that retains the chemical properties of that element.
What is an atom?
100
This element makes up 78% of the air in the atmosphere.
What is nitrogen?
100
Factor:
x^2-2x+3x-6
(x+3)(x-2)
200
A box is suspended in midair by a rope. Its mass is 30kg. The tension of the rope is ___.
What is 294 Newtons?
200
A relationship between organisms where one benefits and the other is negatively affected.
What is parasitism?
200
This element is the only metal that is liquid at room temperature.
What is mercury?
200
These organisms are at the top of the trophic scale.
What are predator consumers/apex predators?
200
2+5=12
3+6=21
8+11=?
What is 96
300
There is friction between a box and a rugged surface. The coefficient of static friction is 0.3. The box has a mass of 50kg. The force required to move the box is ____.
What is 147 N
300
Process of cell duplication where the parent and daughter cell are genetically identical.
What is mitosis?
300
The symbol of Platinum.
What is Pt?
300
The name of a situation in which individuals with access to a public resource act in their own interest and, in doing so, deplete the resource.
What is the tragedy of the commons?
300
The distance between two towns is 380 km. At the same moment, a passenger car and a truck start moving towards each other from different towns. They meet 4 hours later. If the car drives 5 km/hr faster than the truck, what are their speeds?
Car: 50 km/h
Truck: 45 km/h
400
The mass of Planet X is 6.5 x 106. The distance between Planet X and its nearest star is 9.1 x 1012 meters. The gravitational potential energy between the planet and the sun is 105 J. The mass of the star is ____.
2.2 x 1018 kg
400
These muscles are attached to bones by tendons and when contracted, cause movement.
What are skeletal muscles?
400
This chemical compound is called ________.
What is sulfuric acid?
400
The study inland aquatic ecosystems, including man made and natural bodies of water.
What is Limnology?
400
In triangle ABC, the measure of ∠B is 90°, BC=16, and AC=20. Triangle DEF is similar to triangle ABC, where vertices D, E, and F correspond to vertices A, B, and C, respectively, and each side of triangle DEF is 1/3 the length of the corresponding side of triangle ABC. The value of sinF is ____
What is 35 or 0.6?
500
A disk with radius 3 meters is pushed with a perpendicular force of 10N. The moment of inertia is 15. The disk spins for two seconds and 15 radians before coming to a stop. The initial angular velocity is ____.
What is 7 radians per second?
500
The second stage of photosynthesis in which energy is stored in organic molecules such as glucose.
What is the Calvin Cycle?
500
The balanced version of C₂H₅OH + O₂ → CO₂ + H₂O is ______.
What is C₂H₅OH + 3O₂ → 2CO₂ + 3H₂O?
500
These species display traits associated with living in densities close to carrying capacity and typically are strong competitors and are often large in size.
What are K-selected species or K strategists?
500
The equation
(24x2+25x-47)/(ax-2) =-8x-3-(53)/(ax-2)
is true for all values of x≠2/a where a is a constant.
The value of a is ______
What is -3?