Chapter 1 Vocabulary Flashcards Preview

8th Grade Science > Chapter 1 Vocabulary > Flashcards

Flashcards in Chapter 1 Vocabulary Deck (22)
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1

Science

The knowledge obtained by observing natural events and conditions in order to discover facts and formulate laws or principles that can be verified or tested.

2

Scientific Method

A series of steps, followed to solve problems, including collecting data, formulating and testing a hypothesis, and stating conclusions.

3

Observation

The process of obtaining information by using the senses

4

Hypothesis

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

5

Data

Any pieces of information acquired through observation or experimentation

6

Model

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

7

Theory

An explanation for some phenomenon that is based on observation, experimentation, and reasoning

8

Law

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

9

Technology

The products and processes designed to serve our needs.

10

Engineering

The process of creating technology.

11

Engineering Design Process

The process engineers use to develop new technology.

12

Prototype

A test model of a product.

13

Cost-benefit Analysis

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

14

Bioengineering

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

15

Meter

The basic SI unit of length.

16

Area

A measure or size of a surface or region.

17

Mass

A measure of the amount of matter in an object; a fundamental property of an object that is not affected by the forces that act on the object, such as gravity.

18

Volume

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

19

Density

The ratio of a substance's mass to its volume; often expressed in grams per cubic centimeter (g/cm^3)for solids and liquids and grams per liter (g/L) for gases.

20

Temperature

A measure of how hot or cold something is; a measure of the average kinetic energy of the particles in an object.

21

Assistive bioengineering

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

22

Adaptive Bioengineering

Engineering resulting in a product or process that changes living a living organism