Human Fossils

• What is a fossil?

  The remains or imprint of a living thing from the past
• Why are human fossils important?

  They help us understand human evolution
• Which of these is the oldest human fossil?

  Homo habilis
• What do scientists look at in fossils to study human evolution?

  Teeth and skull shape
• Where are fossils usually found?

  In rock layers underground
• What is a human fossil?

  The remains of a human from the past
• Name one famous human fossil.

  Lucy
• How do scientists date fossils?

  By using radiometric dating techniques
• What does a bigger skull in a fossil usually mean?

  It indicates a larger brain size
• How do fossils show how humans have changed over time?

  They provide evidence of physical changes