Science 7 Unit D Joints Lesson

When evaluating a structure, what is important to identify regarding joints?

• The color of the joints

• The size of the joints only

• Points where flexible or fixed joints are required and the appropriateness of different types of joints for the application

• The manufacturer of the joints

What can you investigate and describe to understand the structural integrity of plants and animals?

• The role of different materials found in plant and animal structures

• The dietary habits of plants and animals

• The geographical locations of plants and animals

• The names of different plants and animals

What is the term used to describe the place at which structural parts are joined?

• Connections

• Nails

• Joints

• Seams

Which of the following categories can all types of joints be classified into?

• Long or Short

• Thick or Thin

• Movable or Fixed

• Heavy or Light

What is another name for fixed joints?

• AKA Mobile or Flexible

• AKA Rigid or Immobile

• AKA Loose or Detachable

• AKA Bendable or Pliable

Do movable joints allow movement?

• No, they do not allow movement

• Yes, but only limited movement

• Yes, they allow movement

• No, they are completely immobile

Which of the following is an example of a movable joint in the human body?

• Skull

• Fingers

• Teeth

• Nails

Which of the following is NOT an example of a movable joint found in buildings?

• Door hinge

• Gears

• Wheel and axle

• Window glass

Which of the following is an example of a ball and socket joint?

• Elbow

• Knee

• Hips

• Wrist

What type of joint allows for a wide range of movement in all directions?

• Hinge Joint

• Pivot Joint

• Ball and Socket Joint

• Saddle Joint