Skip to main content
Teacher Portal


To foretell on the basis of observation, experience, or scientific reason.
A prediction or value that is not exact.
Gathering facts.
A factor in a scientific experiment that may be subject to change.
A rate of motion based on the distance traveled and the amount of time it took to travel that distance.
Average speed
The total distance traveled by the object divided by the elapsed time to cover that distance.
The length moved by an object.
The ability to change or move.

Encouraging Vocabulary Usage

The following are additional ways to facilitate vocabulary usage as students are engaged in the activities throughout this Unit.

Students should be encouraged to use the vocabulary terms:

  • Throughout all of the activities
  • As they are working in groups
  • As they are reflecting
  • As they are sharing their knowledge and experience
A VEX GO character

Tips for Encouraging Vocabulary Usage