STAAR Science Review

Which of the following best describes an electron?

• It has no charge and about the same mass as a proton

• It has a negative charge and much less mass than a proton

• It has a positive charge and much more mass than a neutron

• It has a negative charge and about the same mass as a neutron

Tags

NGSS.MS-PS2-3

The diagram below shows four positions in Earth's orbit around the sun. 
The Northern Hemisphere experiences the beginning of spring when Earth is in-

• Position 1

• Position 2

• Position 3

• Position 4

Tags

NGSS.MS-ESS1-1

The diagram below shows a model of the movement of two tectonic plates. When the plates collide, one plate often moves below the other plate.
The rising magma that can result from this type of plate movement may produce-

• fossil layers

• volcanic islands

• deep-sea sediment

• seafloor spreading

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

The points labeled W and Y on the topographic map below show the campsites of two families. Each family hiked to the elevation on the map marked X. The arrows show the paths taken by both families.
What was the change in elevation, to the nearest ten meters, for the family that took the steepest path to Point X?

• 10

• 20

• 60

• 120

Tags

NGSS.MS-PS2-2

a body system that controls growth and homeostasis by secreting hormones from glands.

• skeletal system

• nervous system

• endocrine sytem

• integumentary system

Tags

NGSS.MS-LS1-5

An atom of which element is represented by this model?

• Boron (B)

• Carbon (C)

• Neon (Ne)

• Sodium (Na)

Tags

NGSS.MS-PS1-1

___________ is the SI(Standard) unit for force.

• Force

• Newton

• Kilogram

• Joule

_________ is an objects tendency to resist changes in motion (ex. speeding up, slowing down, stopping)

• Force

• Inertia

• Friction

• Newton

Which of Newton's laws states that the net force on an object is equal to the objects mass multiplied by its acceleration and it takes more force to move more mass?

• Law of Inertia

• Law of Force and Acceleration

• Law of Action-Reaction

• Law of Movement

Tags

NGSS.MS-PS2-2

Which of the following statements best describes the movement based on the graph.

• A runner that is accelerating by speeding up.

• A car that is parked

• A car slowing down at a stop sign

• A runner running at a constant speed.

Tags

NGSS.MS-PS3-1