Biology
Which rays give you cause to worry under the hot summer sun?
Ultra-violet rays
Most elements on the Periodic Table are classified as ........ Metals or Non-Metals or Gases at room temperature?
Metals
Name 4 examples of electromagnetic radiation. All 4 examples to get the points.
Infra red, Ultraviolet, Gamma rays, Visible light, X rays, radio waves.
Which country plans to be the first fossil fuel free country? India or Saudi Arabia or Sweden or the USA?
Sweden
Does every cell in your body contain the exact same DNA?
No - sperm cells and egg cells contain half the number of chromosomes.
Which group on the Periodic Table is most reactive?
Alkali Metals
Ant -Man from Marvel comics can shrink to the size of an ant. What real life technology involves working with objects at very small scale?
Nanotechnology
The Himalayas are rising by about 5 mm annually, making them to be geologically active. Outline what is causing the Himalayas to rise?
Movement of tectonic plates. Indian plate pushing horizontally onto the Tibetan plate.
Which chemical in the brain is associated with cell phone addiction?
Dopamine or will accept GABA
Which group of elements on the Periodic table are all gases at Room temperature
Halogens
Wasp from Marvel movies can become as small as a molecule. What is the smallest unit of matter?
Atoms
The Indian Space Research Organisation(ISRO) is using UDMH fuel (Unsymmetrical Di-Methyl Hydrazine), along with the oxidiser nitrogen Tetroxide for the rockets. Which fuel did NASA use to burn with oxygen to send its Space Shuttle to space?
Hydrogen
Which large carnivorous cat is no longer free in the wild in India? (Extinct in the wild.)
Cheetah - (all the cheetah reintroduced from Namibia into the National park have been removed into enclosures.
Which properties most accurately describes Silicon?
A High conductivity, solid at room temperature.
B Weak conductivity, solid at room temperature.
C Poor conductor, transparent.
D Ductile and Malleable
Weak conductivity, solid at room temperature
The higher the frequency of waves, the _____ the wavelength.
Shorter
Pangea supercontinent existed 250 Ma. The southern part of this called _____________ contained the southern continents—South America, Africa, India, Madagascar, Australia, and Antarctica.
Gondwana or Gondwanaland
Describe, not state, the function of the lens inside the eye
Focus light onto the retina.
Which group has a tendency to form salts with group 1 Alkali Metals?
Halogens
Nanotechnology creates tiny machines and materials smaller than 100 nanometers. What is 100 namometers in millimeters?
100 nm = 0.0001 mm
(1 nm = 0.000001mm
1 mm = 1000 000nm)
The average temperature on Mars is -63C. One reason is because the atmosphere is so thin, heat from the Sun easily escapes this planet. What is other reason?
80 million km Further away from the Sun than Earth. (SUN : 228 million km Mars; 148 million km Earth. )