Life forms too small to be seen by the unaided human eye
Microorganisms
a mathematical statement in which you show that two amounts are equal using mathematical symbols
Equation
A plane has no:
A) thickness
B) length
C) width
D) surface
Thickness
process that keeps something in the same condition
Preservation
hypothetical, invisible material which does not take in or give out light
Dark matter
the study of how characteristics are passed from one generation to another
Genetics
Mark can wash the car in 45 minutes. Liza can wash it in 30 minutes. How long will it take them to wash the car if they work together?
18 min
A ray with an open endpoint is called:
Half line
............................ means that no matter how a substance is changed, what it is made up of will always stay the same.
Conservation of mass
having height, width and depth
three-dimensional
process according to which only the strongest species survive
Natural selection
Two pipes can fill a pool in six hours. The lager pipe can fill the pool twice as fast as the smaller one. How long does it take the smaller pipe to fill the pool alone?
9 hours
The ratio of two complementary angles is 2/7 Find the measure of the supplementary angle of the smaller angle
160
Without oxygen there cannot be ...................... Things cannot burn
Combustion
................. is something through which electricity can pass.
Conductor
medicine that prevents disease
Vaccine
80%of the students in class pass a math exam. If six students failed the exam, find the number of students in the class.
30 students
The set of all points is
Space
Two or more atoms form...
Molecule
law of physics according to which a body tends to maintain its speed & direction
Inertia
are found in cells and pass on information
Chromosomes
A Che ist has two salt solutions containing 60% salt and 40% salt respectively. She wants to produce 50 L of solutions containing 46%salt. How much of each original solutions should she mix?
35L of the first solution with 15 L of the second solution
What is the measure of the angle between the bisectors of two adjacent supplementary angles?
90
A part of an atom that has anegative charge
Electron
a basic principle of quantum theory according to which a system may have either particle-like or wave like properties
Complementarity