Practice of SCIENCE - Terms to Know

Practice of SCIENCE - Terms to Know

• Trend

• Experiment

• Descriptive Investigation

• Repeated/Systematic Observation

• Comparative Investigation

• Control Group

• Empirical Observations

​TREND

​a general direction in which something is changing.

​EXPERIMENT

​a scientific investigation that includes a control group and is carried out under controlled conditions.

​DESCRIPTIVE INVESTIGATION

​A scientific investigation that involves making observations or collecting data to describe or quantify something.

​Repeated/Systematic Observation

​A scientific investigation that includes repeatedly observing the same object, sometimes over a long period of time.

​Comparative Investigation

​a scientific investigation that involves making observations or collecting data on more than one object in order to compare them.

​CONTROL GROUP

​a group in a scientific investigation that serves as a reference for comparison to the experimental group; this is a group that is untreated by the factor being tested

​Empirical Observations

• (data) is a source of knowledge acquired by means of observation or experimentation.

• are testable and linked to evidence

Multiple Choice

What is this an example of?

A scientist who observes the types of plants that grow in a forest.

• Experiment

• Descriptive Investigation

• Repeated / Systematic Observation

• Comparative Investigation

Multiple Choice

What is this an example of?

A scientist that observes and compares the types of plants that grow in a forest and a desert.

• Control Group

• Descriptive Investigation

• Comparative Investigation

• Experiment

Multiple Choice

This is a source of knowledge acquired by means of observation or experimentation.

• Comparative Investigation

• Repeated/

  Systematic Observation

• Empirical Observations

• Trend

Multiple Choice

What is this an example of?

A scientist investigating which fertilizer grows plants the tallest.

• Repeated / Systematic Observations

• Descriptive Investigations

• Control Group

• Experiment

Multiple Choice

What is this an example of?

A scientist who observes the types of plants that grow in the same forest over thirty years visiting the forest once every year.

• Repeated / Systematic Observation

• Experiment

• Comparative Investigation

• Control Group

Multiple Choice

A group that is untreated by the factor being tested

• Comparative Group

• Descriptive Group

• Control Group

• Experiment