Question

Match the following scientist in column A with their discoveries or contribution in column B

Column 1	Column 2
Marie curie	Safety Lamp
John Dalton	Helium
William Ramsey	Nobel Prize winner (two times)
Sir Humphry Davy	Atomic Theory

Answer 1

1. Marie curie is the first woman scientist two invent radioactive elements and got a Nobel prize for this.
2. John Dalton in eighteen century done the discovery of the atom.
3. William Ramsey discovered that noble gases called helium are also called non-reactive gases.
4. Sir Humphrey Davy discovered the lamp in 1778.

Column A	Column B
Marie curie	Nobel Prize winner (two times)
John Dalton	Atomic theory
William Ramsey	Helium
Sir Humphrey Davy	Safety Lamp