Biology
Algebra
Geometry
Chemistry
Physics
100

Life forms too small to be seen by the unaided human eye

Microorganisms

100

a mathematical statement in which you show that two amounts are equal using mathematical symbols

Equation

100

A plane has no:

A) thickness

B) length

C) width

D) surface

Thickness 

100

process that keeps something in the same condition

Preservation

100

hypothetical, invisible material which does not take in or give out light

Dark matter

200

the study of how characteristics are passed from one generation to another

Genetics

200

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

200

A ray with an open endpoint is called:

Half line

200

............................ means that no matter how a substance is changed, what it is made up of will always stay the same. 


Conservation of mass

200

having height, width and depth

three-dimensional

300

process according to which only the strongest species survive

Natural selection

300

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 

300

The ratio of two complementary angles is 2/7 Find the measure of the supplementary angle of the smaller angle 

160

300

Without oxygen there cannot be ...................... Things cannot burn

Combustion

300

................. is something through which electricity can pass.

Conductor 

400

medicine that prevents disease

Vaccine

400

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

400

The set of all points is

Space

400

Two or more atoms form... 

Molecule

400

law of physics according to which a body tends to maintain its speed & direction

Inertia

500

are found in cells and pass on information

Chromosomes

500

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

500

What is the measure of the angle between the bisectors of two adjacent supplementary angles? 

90

500

A part of an atom that has anegative charge

Electron

500

a basic principle of quantum theory according to which a system may have either particle-like or wave like properties

Complementarity