What Differences Have Scientists Made?

What scientist studied germs in food?

• Jonas Salk

• Pasteur

• Charles Drew

• Rachel Carson

Who invented a way to help people avoid getting sick?

• Jonas Salk

• Thomas Edison

• Lewis Latimer

• Rachel Carson

Who started the American Red Cross blood bank?

• Lewis Latimer

• Thomas Edison

• Rachel Carson

• Charles Drew

Rachel Carson discovered that the pesticide DDT

• harms animals and people

• can make lightbulbs last longer

• helps people avoid getting sick

• kills germs in our food

Check all that apply: Thomas Edison worked with other inventors and....

• invented a way to help people avoid getting sick

• was able to have his invention improved

• created the American Red Cross blood bank

• improved the inventions of others

How did Lewis Latimer improve Thomas Edison's invention?

• the blood bank was started

• they created a process to kill germs in our food

• they learned about pesticides

• the light bulb lasted longer

Who came up with a process to kill germs in our food?

• Rachel Carson

• Jonas Salk

• Charles Drew

• Pasteur

What did Albert Einstein study?

• germs in food

• tiny particles

• pesticides

• blood

Einstein's work helped us explore...

• germs

• blood

• space

• pesticides

In your opinion, which invention made the biggest difference in people's lives?

• Pasteurization (heat to kill germs in food)

• Vaccines (to prevent diseases)

• Blood bank (to collect blood for people who need it)

• Laws to protect the environment against pesticides

• Lightbulbs and movie cameras