What does SI stand for?
International System of Units
What is the natural compound present in green plants that gives them their colour?
Chlorophyll
Why is lead used in pencils even though lead is poisonous?
The core of a pencil does not contain lead and never has. Pencils contain a form of solid carbon known as graphite.
What is the only planet not named after a God?
Earth.
List examples of good insulators.
What is Newton's third law?
for every action, there is an equal and opposite reaction
Name the Nucleotides.
adenine, cytosine, guanine, thymine
copper and tin mix to create which alloy?
Bronze
What is a black hole?
Which is the most abundant element in the universe?
Hydrogen.
What is Torque?
Torque is a measure of the force that can cause an object to rotate about an axis.
Which part of the body makes platelets?
The bone marrow
which gas is mainly responsible for acid rain
Sulfur Dioxide
Which is the hottest planet in the solar system?
Venus, with a surface temperature of 460 °C.
What is the most common blood group in the UK?
Blood Group O
Newton's Second Law
The 4 heart valves
aortic valve, mitral valve, pulmonary valve and tricuspid valve.
What is Solubility?
Maximum amount of the substance which can be dissolved in a solvent at a given temperature. It is the concentration of a saturated solution at a certain temperature.
What is the most common type of star found in the Milky Way?
Red Dwarf stars.
Which protein helps form hair, nails and your skin’s outer layer?
Keratin
KE formula
K = ½mv2
What are synapses
The places where neurons connect and communicate with each otherare called synapses. Each neuron has anywhere between a few to hundreds of thousands of synaptic connections, and these connections can be with itself, neighboring neurons, or neurons in other regions of the brain
what are Dipole-dipole Forces?
Dipole-dipole forces are attractive forces between the positive end of one polar molecule and the negative end of another polar molecule.
What is the minimum speed of a meteoroid when it enters Earth’s atmosphere?
25,000 miles per hour.
What is the scientific term for the study of mushrooms?
Mycology