kwizNET Subscribers, please login to turn off the Ads!
Email us to get an instant 20% discount on highly effective K-12 Math & English kwizNET Programs!

Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Lower Elementary Science
2.13 The Skeletal System

Q 1: The bones, or vertebrae, of your spinal column surround your spinal cord, a complex bundle of nerves.

Q 2: Like other cells in your body, the bone cells rely on blood to keep them alive. Blood brings them food and oxygen and takes away waste.

Q 3: What is the longest bone in your body?
the stirrup in the ear
thigh bone or the femur
bone marrow

Q 4: When you were born you had over 300 bones. As you grew, some of these bones began to fuse together. So, an adult has only 206 bones.

Q 5: ____ system forms the shape or the body, and protects the internal organs. It works closely with the muscular system to allow us to move.

Q 6: Many bones are hollow. Their hollowness makes bones strong and light. Bone marrow present in the center of many bones makes ________.
blood cells

Q 7: ______ is a series of fused bones, that acts like a hard protective helmet for your brain.
Thigh bone

Q 8: Bones are hard, but they can break, such as when a person takes a bad fall. Doctors can fix most broken bones. They use ______ machine to take pictures of the bones through the skin.
a z-ray
an x-ray
a y-ray

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!

Subscription to kwizNET Learning System offers the following benefits:

  • Unrestricted access to grade appropriate lessons, quizzes, & printable worksheets
  • Instant scoring of online quizzes
  • Progress tracking and award certificates to keep your student motivated
  • Unlimited practice with auto-generated 'WIZ MATH' quizzes
  • Child-friendly website with no advertisements
  • Choice of Math, English, Science, & Social Studies Curriculums
  • Excellent value for K-12 and ACT, SAT, & TOEFL Test Preparation
  • Get discount offers by sending an email to

Quiz Timer