Life
Earth
Physics
Chemistry
Miscellaneous
100
Some diseases in Fruit Flys are caused by genetic mutations.
The mutated genes can be passed from parent to child. Where does the replication of these mutated genes occur in the cells of the fruit fly?
The mutated genes can be passed from parent to child. Where does the replication of these mutated genes occur in the cells of the fruit fly?In the nucleus
100
Made from grains of rock or mineral from older rocks that are broken by the forces of weathering and erosion. Fossils are often found in them.
Sedimentary Rock
100
What is the resistive force that occurs when two surfaces travel along each other.
friction
100
Which phase change causes water droplets to form on the outside of a glass?
Condensation
100
What is the main factor that prevents the growth of tropical plants in the northern part of the United States?
Climate
200
What is the scientific name for a multicellular organism with cells that contain a true nucleus?
Eukaryotic
200
Wearing away of land
Erosion
200
The SI unit used for the magnitude, or strength, of a force.
Newton
200
A student placed a rock in a graduated cylinder containing water, causing the water level in the cylinder to increase by 20 mL. This increase represents the rock’s
volume
200
All living and nonliving material is composed of
Elements
300
A species of peas has alleles of green (aa) or yellow (AA). Mating between a green (aa) and a yellow (AA) pea plant produces all yellow (Aa) offspring. If two of the yellow heterozygous offspring mate, what percent of their offspring that would be expected to be green (aa)?
25%?
300
Approximately how long does it take for the Moon to complete one orbit around Earth?
~27 days, or one month
300
A battery-powered cart pulls an 800-gram load across the floor. If the load were reduced to 400 grams, and the force used to move the cart remained the same, the cart would
Move faster
300
Rusting and oxidation is an example of this change.
What is a chemical change?
300
Compared to the volume of Earth, the volume of the Sun is approximately
1,000,000 times greater
400
What part of the food pyramid receives all of its energy from the sun.
Producers?
400
Formed from the decayed remains of plants and animals
Fossil Fuels
400
Which type of energy is transferred from one object to another by simple machines?
mechanical
400
What is the name of a pure substance the cannot be broken down? A. Molecule B. Element C. Compound
What is an element?
400
A subatomic particle having zero charge, found in the nucleus of an atom.
What is a neutron?
500
Which pathway do most nutrients take after a person takes a bite of food?
digestive system --> circulatory system --> cells
500
Lithosphere
The hardened, outer layer of the earth made up of the crust and upper mantle.
500
In a car accident, how does a seat belt helps prevent injuries by applying a force?
Applies forces in the opposite direction of the passenger’s motion.
500
What is the fundamental principle stating energy cannot be created nor destroyed but only changed from one form to another.
The law of conservation of energy
500
(2) refraction