Slide 1 Slide 2 Reminder: The difference between the mass number and the atomic number gives you the number of neutrons. Slide 3 RADIATION Penetrating rays and particles…
Slide 1 Industrial Uses of Radiation & Radioactive Material David C Howell Radiation Safety Officer Wake Forest University Baptist Medical Center Slide 2 Uses of Radiation…
Slide 1 Section 1:Prehistoric Peoples Slide 2 What basic needs do all humans share? What do people need to advance beyond simple survival? Slide 3 Slide 4 Slide 5…
Chapter 2: Chapter 4: The Land and Its Early People History Written: began in Africa about 6000 years ago. Pre-history: before written records Hieroglyphics: early writing…
Letâs Talk History How on Earth do you read that? Numbers? I thought this was social studies, not math! Prehistory History Historians BEFORE written records A WRITTEN record…