7A
8A
7B
8B
100

The systematic study of natural events and conditions is known as _______________.

science

100

The study of the natural world is known as ____________________.

science

100

Scientists ask questions that can be _______________________.

tested

100

A testable idea or explanation that leads to scientific investigation is known as a _______________________.

hypothesis

200

A ______________________________ is a variable that is not allowed to change in the investigation.

constant

200

The factor that is deliberately adjusted in an investigation is known as the ________________________.

independent variable

200

An organized procedure to study something under controlled conditions.

experiment

200

The factor that changes as a result of adjusting the independent variable is known as the ____________________________.

dependent variable

300

The factor that is deliberately changed in order to test the effect of the change on another variable is known as the ____________________________ .

independent variable

300

________________________ use models to imitate scientific phenomena and help explain scientific phenomena.

simulations

300

The factor that is measured to gather results is known as the _______________________.

dependent variable

300

The method used to develop new technology is called the _________________________.

engineering design process

400

A graph that shows change over time.

line graph

400

What two places do scientists get their evidence?

1) in the field

2) in the laboratory

400

A ___________________________ is used when showing how each group of data relates to all the data.

circle graph or pie graph

400

What are two types of scientific investigations?

1) experiments

2) observations and models

500

What is the first step in the engineering design process?

identifying a need

500

What two things do engineers do?

1) apply science and math

2) solve real-world problems

500

What is the last step in the engineering design process?

communicating results

500

When it comes to data, scientists ________________________, __________________________, and __________________________ the data.

1) organize

2) graph

3) analyze

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