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Flashcards in vocab ch 1 Deck (22)
1

Hypothesis

An explanation based on prior scientific research or observations that can be tested

2

controlled experiment

An experiment that tests only one factor at a time by using a comparison of a control group with an experimental group

3

variable

A factor that changes in an experiment in order to test a hypothesis

4

model

A pattern, plan, representation, or description designed to show the structure or workings of an object, system, or concept

5

theroy

An explanation that ties together many hypothesis and observations

6

law

A summary of many experimental results and observations; tells how things work

7

prosthetic

An artificial device that replaces a missing part of the body.

8

technology

The products and processes that are designed to serve our needs.

9

engineering

The process of creating technology

10

engineering design process

The process engineers use to develop a new technology.

11

prototype

A test model of a product.

12

cost benefit analysis

The process of determining whether the cost of doing something is worth the benefit provided.

13

bioengineering

The application of engineering to living things, such s humans and plants.

14

assistive bioengineering

Engineering that results in a product or process that helps living organisms but does not change them permanently

15

adaptive bioengineering

engineering that results in a product or process that changes living organisms

16

meter

the basic unit of length in the SI (symbol, m)

17

mass

a measure of the amount of matter in an object.

18

area

a measure of the size of a surface or a region

19

temperature

the measure of how hot or how cold something is

20

volume

a measure of the size of a body or region in three dimensional space.

21

density

the ratio of the mass of substance to the volume of the substance

22

Scientific method

a series of steps followed to solve problems