What is the independent Variable?
What is the control?
What is the dependent variable?
What is new dog food, 50 with normal food, and weight loss?
What process makes food for plants?
a)photosynthesis b)respiration c)reproduction d) condensation
What is photosynthesis
The health of an ecosystem is directly related to-
a) water quality b) biotic factors c)animal life d)air movement
What is water quality
What are the horizontal rows of the periodic table called?
a) column b) family c)period d) group
What is period
The chemist who was able to create images of DNA molecules using x-ray diffraction was--
a) Rosalind Franklin b) Gregor Mendel c) James Watson d)Robert Hooke
Who is Rosalind Franklin
What are the independent variable, dependent variable, and control of this experiment?
What are Type of fertilizer, potato yield, and group with no fertilizer?
0.00044 written in scientific notation is-
a)4.4x10^-5 b)4.4x10^-4 c) 4.4x10^5 d)4.4x10^4
What is 4.4x10^-4
What is the role of the Orca in this food chain?
a)third-order consumer b)producer c)second-order consumer d)first-order consumer
What is third-order consumer
Which body in the solar system usually contains an atmosphere?
a)a planet b)an asteroid c)a meteor d)a comet
What is a planet
Which is true about all metals?
a) They are all found to the left of the zig zag line
b) they are all soft enough to be cut with a knife
c) They are all solid at room temperature
d) they are all radioactive
What is they are all found to the left of the zig zag line
What is the labeled part 3?
a) frequency b)amplitude c)speed d)wavelength
What is amplitude
We receive a small portion of solar radiation, name the ways the Earth uses the Sun's energy.
What is 30% reflected back to space, 19% absorbed in the atmosphere, 51% absorbed at the surface?
A substance with a definite volume and a definite shape is classified as a -
a)gas b)solid c)liquid d)plasma
What is a solid
What limits organisms from reaching an infinite size within an ecosystem?
a)the amount of resources available b)the reproduction of an organism c)the migration patterns of an organism d)the amount of human interaction
What is the amount of resources available
a)waxing gibbous b)waning crescent c)waxing crescent d)waning gibbous
What is waxing gibbous
A type of chemical bond in which electrons are shared between elements is called-
a) an ionic bond b) a covalent bond
c) a chemical bond d) a valence bond
What is a covalent bond
What is this an example of?
a)refraction b)attraction c)diffraction d)reflection
What is refraction
What is
1. 50%
2. 50% gray to 50% white?
a) an inorganic compound b) a reactive matter c)a base d)an acid
What is an acid
Who is the top predator?
a)Red-Tailed hawk b) Alfalfa c)fiel mouse d)garter snake
What is red-tailed hawk
The Earth is titled at an angle of
a)23.5 degrees b)23 degrees c)45 degrees d)90 degrees
What is 23.5 degrees
The energy an object has at rest is called
a)kinetic energy b)mechanical energy c) chemical energy d) potential energy
What is potential energy
Which electromagnetic wave is used to treat cancer?
a)gamma rays b)infrared rays c)ultraviolet rays d) x-rays
What is gamma rays
What is happening at point A, Point B, and Point C? Is energy being added or removed? Is it an endothermic or exothermic reaction?
What are Solid, melting, and Liquid, energy is being added, and endothermic reaction?
Which scientist saw the atom as a solid sphere?
a)John Dalton b)Niels Bohr c)J.J. Thomson d)Ernest Rutherford
Who is John Dalton
During human fertilization, an egg and a sperm cell unite. Which structures in these cells carry the genes that will be transferred to the offspring?
a)vacuoles b)ribosomes c) chromosomes d)cell membrane
What is chromosomes
Which facility relies on a nonrenewable energy source
a) wind farm that uses wind turbines b)a dam that uses the power of water c)a power station that burns coal d)a solar farm that collects sunlight
What is a power stationthat burns coal
a) conduction b)induction c)convection d)radiation
What is convection
a)4th b)2nd c)3rd d)1st
What is the 3rd Law of Motion
What is the difference between genotype and phenotype?
What is the Genotype as the genetic makeup of an organism and Phenotype as the physical expression or how they physically look?