Wind pushes a toy sailboat across a pond. The boat moves in a straight path. What is changing?

• the boat’s direction
• the boat’s path
• the wind’s direction
• the boat’s position

The position of a runner in a race changes as time passes. What could a reference point to describe the change in position? 

• the starting line
• the runner’s speed
• the runner’s right foot
• another runner

Motion is measured as _____

• rate.

• velocity

• feet

• mph

When an object’s distance from another object is changing,

• it is in motion.

• it is speeding.

• it has a high velocity.

• it is accelerating.

Reference point can also be described as what?

• An ending point

• A starting point

• A description

• A location

Distance and direction of an object's change in position from a starting point

• displacement

• distance

• motion

• reference point

David walks 3 km north, and then turns east and walks 4 km. What is the distance?

• 7 km

• 3 km

• 4 km

• 1 km

The instrument used to find direction is called _________________.

• directionator

• compass

• compactor

• director

A series of steps used by scientists to solve a problem or answer a question.

• scientific method

• recipe

• data collection

• metric system

A testable explanation to a problem that has not yet been tested.

• data

• theory

• hypothesis

• fact