8G Science HW#18: Chapter 1.1 and 1.2

A change in position with respect to a reference point is called ____.

• Motion

• Velocity

• Speed

• Reference Point

A place or object used for comparison to determine if something is in motion is called ____.

• Motion

• Velocity

• Speed

• Reference Point

The distance an object travels in one unit of time is called ____.

• Motion

• Velocity

• Speed

• Reference Point

The speed of something in a given direction is called ____.

• Motion

• Velocity

• Speed

• Reference Point

A linear motion in which the direction of the velocity remains constant and the path is a straight line is called ____.

• Rectilinear Motion

• Curvilinear Motion

• Circular Motion

• Periodic Motion

The motion of an object moving in a curved path is called ____.

• Rectilinear Motion

• Curvilinear Motion

• Circular Motion

• Periodic Motion

A movement of an object along the circumference of a circle or rotation along a circular path is called ____.

• Rectilinear Motion

• Curvilinear Motion

• Circular Motion

• Periodic Motion

Motion repeated in equal intervals of time is called ____.

• Rectilinear Motion

• Curvilinear Motion

• Circular Motion

• Periodic Motion

The basic SI unit of length.

• m

• km

• cm

• yd

One of the major pieces that make up Earth’s upper layer.

• Mantle

• Plates

• Fault

• Crust