Practice 4 - UIL 7th grade Science

What are the three primary types of neurons called

• ganglion, sensory, melon

• motor, sensory, association

• axon, myelin, dendrite

• spinal, cerebral, motor

Which of the following is an advantage of using a space-based telescope rather than an Earth-based telescope, to observe distant objects in the universe?

• There is no distortion from particles in the atmosphere

• A space-based telescope is in closer proximity to the object

• There is no pollution to disrupt the x-ray or radio signals

• It is easier to maintain in the given environment

Why does erosion not occur on the moon?

• The surface of the moon is not brittle

• There is no organic life

• The gravitational pull is not great enough

• There is not a hydrologic cycle or wind

Saguaro cacti are very tall cylindrical plants that usually have two L-shaped arms.  Suppose you lived where this type of cactus is common and one grows in your backyard.  The plant you observe has two arms but one is longer than the other.  Assume that the arm length in these cacti is controlled by a single gene with the same length (A) being dominant.  What is the genotype of the cactus you observed?

• aa

• Aa

• AA

In this type of event, flying debris can cause abrasion of structures and can deposit debris in new locations.  This best describes which of the following events?

• hurricane

• tornado

• earthquake

• flood

Parkinson’s disease is characterized by a slowing of voluntary moments, bradykinesia , muscular rigidity and tremors.  Which of the following body systems does it affect?

• Endocrine

• Immune

• Nervous

• Muscular

Tags

NGSS.HS-LS1-3

Based on the figure at the right, which path would be best used for interplanetary flight by any spacecraft?

• Path A

• Path B

• Path C

• None of these paths

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

In May of 1961, who was the first American in space?

• Neil Armstrong

• Gus Grissom

• John Glenn

• Alan Shepard

Which of the following would be best to replenish the topsoil that has been lost due to erosion?

• Decomposition of organic material

• Frequently plowing a field

• Planting trees

• Clear cutting

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Space X designs and builds rockets.  Which of the properties would NOT be as important to consider for the material used in the construction of a rocket?

• Density

• Conductivity

• Malleability

• Melting point

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3