SCIENCE 4- Vocabulary Words Unit 1 and 2

The process of designing new or improved technology.

• Teaching

• Engineering

A real world limit on a solution, for example, safety needs, time, money, or materials

• Constraints

• Criteria

To make a solution as good as possible.

• Optimize

• Fair Test

The desirable features of a solution

• Constraints

• Criteria

A test that does not give any advantage to the conditions or objects being tested

• Fair test

• Failure Analysis

Figuring out what went wrong with a solution and why

• Failure Analysis

• Fair Test

The result of two objects bumping into each other.

• Collision

• Energy

The movement of energy from place to place or from one object to another.

• Energy Transfer

• Energy Transformation

A change in energy from one form to another.

• Energy Transfer

• Energy Transformation

The flow of  electric charges along a path.

• Electric Current

• Circuit