Scientists and inventions

Who invented the telephone?

• Thomas Edison

• Alexander Graham Bell

• Charles Robert Darwin

When was the telephone invented?

• 1847

• 1876

• 1960

• 1870

What is oxygen?

• A gas.

• A gas at room temperature.

• A liquid which has evaporated.

• Air.

Who discovered oxygen?

• Alexander Graham Bell and Joseph Priestley

• Antoine Lavoisier and Joseph Priestley

• Antoine Lavoisier

• Joseph Priestley

A candle needs ... to burn?

• carbon dioxide

• oxygen

• a flame

• heat

Which statement is true?

• A candle will take longer to go out under a big glass.

• A candle will take longer to go out under a small glass.

• A candle will take longer to go out under a medium glass.

Tags

NGSS.MS-PS1-4

What is absolute zero.

• 0 degrees

• -2 degrees

• the lowest temperature possible

• nothing

Who made it possible for electrical items to be used in a home?

• Lord Kelvin

• Thomas Edison

• Alexander Graham Bell

• Albert Einstein

What is an electrical appliance?

• Anything with a cord

• A device that uses electricity to perform a function.

• A device that uses electricity.

• A device with a cord and a plug.

Who invented the first modern toothpaste in a tube?

• Thomas Edison

• No one, it had been around for years.

• The Anglo-Saxons

• Washington Sheffield