GACE Science (from quizlet)

qualitative observation

An observation that describes using your 5 senses. It also uses NO numbers.

quantitative observation

An observation that deals with a number or amount

Inference

A conclusion reached on the basis of evidence and reasoning

Hypothesis

An educated guess

dependent variable

The measurable effect, outcome, or response in which the research is interested.

independent variable

The experimental factor that is manipulated; the variable whose effect is being studied.

control group

In an experiment, the group that is not exposed to the treatment; contrasts with the experimental group and serves as a comparison for evaluating the effect of the treatment.

experimental group

In an experiment, the group that is exposed to the treatment, that is, to one version of the independent variable.

Steps in a scientific investigation

Make observations, ask a question, form a hypothesis, test the hypothesis, draw conclusions, communicate results

System

A group of parts that work together as a whole

discuss the importance of models in teaching science to children

models such as styrofoam ball model of the solar system is important for conceptual understanding in young children

climate

Overall weather in an area over a long period of time

three changes in the environment

forest destruction, pollution, and global warming

three different types of rocks

igneous, sedimentary, metamorphic

igneous rock

a type of rock that forms from the cooling of molten rock at or below the surface

sedimentary rock

A type of rock that forms when particles from other rocks or the remains of plants and animals are pressed and cemented together

metamorphic rock

rock that has been changed by heat and pressure

Erosion

Processes by which rock, sand, and soil are broken down and carried away (i.e. weathering, glaciation)

formation of sedimentary rocks

weathering, erosion, deposition, compaction, cementation

Palentology

the study of fossils

Fossils

Preserved remains of once-living organisms (footprints)

Topography

A description of surface features of land.

2 changes to earth's topography

plate movement and the water cycle

How are mountains formed?

Plates or parts of plates are forced up as plates crash together

constructive