joints
Joints allow varying degrees of movement. This topic is part of Human Body within Science & Nature. This page currently draws on 23 supporting questions, with answers and bonus facts available below.
joints trivia questions
A joint is where two or more what meet?
Answer: Bones
Bonus fact: Joints allow varying degrees of movement.
What type of joint is the shoulder?
Answer: Ball-and-socket joint
Bonus fact: It allows movement in many directions.
What type of joint is commonly used in quality wooden drawer construction because interlocking wedge-shaped pins resist pulling apart?
Answer: Dovetail joint
Bonus fact: Dovetail joints are prized for strength and have long been used in drawers.
Which two lower-leg bones form the upper part of the ankle joint?
Answer: Tibia and fibula
Bonus fact: The tibia and fibula form a mortise around the talus.
What joint joins two pieces of wood at a 90-degree corner using an interlocking tenon and cavity?
Answer: Mortise-and-tenon joint
Bonus fact: Mortise-and-tenon construction is strong and traditional.
What cartilage covers the ends of bones in many movable joints?
Answer: Articular cartilage
Bonus fact: Articular cartilage reduces friction and absorbs shock.
Why are expansion joints built into bridges?
Answer: To allow temperature-related movement
Bonus fact: Without joints, expansion could buckle structures.
What process produced the regular columnar joints of the Giant's Causeway basalt?
Answer: Cooling and contraction of lava
Bonus fact: UNESCO documentation explains that slow cooling and contraction helped create the great number and regularity of the columns.
The Apollo-Soyuz Test Project was a joint mission between the United States and which country?
Answer: Soviet Union
Bonus fact: The mission became a symbol of Cold War détente when the two spacecraft docked in orbit.
Mortar is used to bond bricks and what?
Answer: Stones or blocks
Bonus fact: Mortar fills joints in masonry.
In robotics, actuators are roughly analogous to what in the human body?
Answer: Muscles
Bonus fact: They create movement in joints or mechanisms.
What is the anatomical term for the armpit?
Answer: Axilla
Bonus fact: The axilla is the hollow beneath the shoulder joint.