Answer the following question given this paragraph: Movement at Synovial Joints The wide range of movement allowed by synovial joints produces different types of movements. The movement of synovial joints can be classified as one of four different types: gliding, angular, rotational, or special movement. Gliding Movement Gliding movements occur as relatively flat bone surfaces move past each other. Gliding movements produce very little rotation or angular movement of the bones. The joints of the carpal and tarsal bones are examples of joints that produce gliding movements. Angular Movement Angular movements are produced when the angle between the bones of a joint changes. There are several different types of angular movements, including flexion, extension, hyperextension, abduction, adduction, and circumduction. Flexion, or bending, occurs when the angle between the bones decreases. Moving the forearm upward at the elbow or moving the wrist to move the hand toward the forearm are examples of flexion. Extension is the opposite of flexion in that the angle between the bones of a joint increases. Straightening a limb after flexion is an example of extension. Extension past the regular anatomical position is referred to as hyperextension. This includes moving the neck back to look upward, or bending the wrist so that the hand moves away from the forearm. Abduction occurs when a bone moves away from the midline of the body. Examples of abduction are moving the arms or legs laterally to lift them straight out to the side. Adduction is the movement of a bone toward the midline of the body. Movement of the limbs inward after abduction is an example of adduction. Circumduction is the movement of a limb in a circular motion, as in moving the arm in a circular motion. Q: What kind of joints are capable of a wide range of movements, classified as gliding, angular, rotational, or special? Choices: - glandular - locking - fibrous - synovial A:
synovial
(Question)
Answer the following question given this paragraph: Mollusks reproduce sexually. Most species have separate male and female sexes. Gametes are released into the mantle cavity. Fertilization may be internal or external, depending on the species. Fertilized eggs develop into larvae. There may be one or more larval stages. Each one is different from the adult stage. Mollusks have a unique larval form called a trochophore . It is a tiny organism with cilia for swimming. Q: What is the unique larval form of mollusks called? Choices: - scallop - hydra - microfilariae - trochophore A:
(Answer)
trochophore
Ques: Answer the following question given this paragraph: Earth and the other planets in the solar system make elliptical orbits around the Sun. Q: What type of orbit do the planets make in the solar system? Choices: - vertical - conical - figure eight - elliptical A:
Ans: elliptical
(Q).
Answer the following question given this paragraph: Galileo's Experiment Galileo is said to have dropped two objects of different masses from the Tower of Pisa. He measured how long it took each to reach the ground. Since stopwatches weren't readily available, how do you think he measured their fall time? If the objects were the same size, but with different masses, what do you think he should have observed? Would this result be different if done on the Moon? PhET Explorations: Masses & Springs A realistic mass and spring laboratory. Hang masses from springs and adjust the spring stiffness and damping. You can even slow time. Transport the lab to different planets. A chart shows the kinetic, potential, and thermal energy for each spring. Q: Who is said to have dropped two objects of different masses from the tower of pisa? Choices: - darwin - copernicus - newton - galileo A:
(A).
galileo
Ques:Answer the following question given this paragraph: One of the most effective ways to cut metal is with an oxy-acetylene torch. Very high temperatures are obtained when acetylene burns in oxygen. Mixed 1:1 with oxygen, a temperature of over 3000C can be achieved. The amount of energy released is high the net heat of combustion is 1300 kJ/mole. Safety precautions need to be observed since the gas is very explosive. For welding and cutting, the oxy-acetylene torch is one of the best ways to go. Q: An oxy-acetylene torch is an effective way to cut what? Choices: - coal - wood - plastic - metal A:

Ans:metal
Ques: Answer the following question given this paragraph: The structures of the human eye collect and focus light. They form a reduced, upside-down image on the retina at the back of the eye. Q: What do structures of the human eye collect and focus? Choices: - sugars - air - electricity - light A:
Ans:
light