A. Nicolas Gilbert
B. William Gilbert
C. Edwin Powell Hubble
D. All of these
Everyday Science
The minimum velocity necessary to put a satellite into orbit is:
A. Escape Velocity
B. Orbital Velocity
C. Circular Velocity
D. All of these
What is the female part of flower called?
A. Stigma
B. Pistil
C. Ovule
D. Stamen
What is used to correct near-sightedness or myopia:
A. Convex mirror
B. Concave lens
C. Cooke Triplet
D. Gauss lens
The laughing gas is called?
A. Nitrous Oxide
B. Calcium Oxide
C. Chlomium Oxide
D. None
The element which is most abundant in the Earth’s crust is:
A. Silicon
B. Zinc
C. Aluminium
D. Oxygen
The system international (S.I.) unit of temperature is:
A. Fahrenheit
B. Kelvin
C. Calculus
D. None of these
The requirement that people select mates outside certain groups:
A. Exogamy
B. Ethnography
C. Endogamy
D. None of these
Deuterium oxide is the chemical name of:
A. Hard water
B. Heavy water
C. Mineral water
D. None of these
Contracts are formed when water is:
A. Contracts
B. Retains density
C. Expands
D. Evaporated
