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100

How are science and technology related?

They may lead to advances in each other. 

100

What happens when the data in an investigation do not support the original hypothesis?

The hypothesis needs to be redone. 

100
Are scientific theories ever proven?

No

100

An experiment in which only one variable, the manipulated variable, is changed at a time is called a(n)

controlled experiment
100

A measurement most include both a number and a(n)

unit

200

How does Earth science overlap with life science?

Earth science studies systems that may include the living. 

200

Why are scientific models important?

They help visualize things that are very small or large.  

200

The type of graph that shows how a part of something relates to the whole is a-

Circle graph/pie graph

200

The two main areas of physical science are physics and 

chemistry

200

In an experiment, if doubling the manipulated variable results in a doubling of the responding variable, the relationship between the variables is a(n)

direct proportion

300

Building blocks of matter-

Atoms

300

What is an example of a safe lab procedure?

Tying back long hair and loose clothing. 

300

How do scientists who speak different languages make their data understandable to others?

They all use SI system (metric)

300

The three values- 10.714m, 12.821m, and 13.646m- have the same number of

significant figures 

300

How are science and technology related?

Science is a system of knowledge, while technology is the practical application of that knowledge to the solving of problems. 

400

Which of the following conversion factors would you use to change 15 km to m?

1000m/ 1km

400

Which clock offers the most precision?

A clock that measures to the nearest tenth of a second. 

400

Why are peer reviews important?

Criticism, questions, accuracy checks, suggestions

400

What type of graph would be the best to use to compare the levels of lead contamination in six water wells?

bar graph

400

What is the relationship between two variables if the product of the variables is constant?

inverse proportion

500

There are 166 megawatts of wind-generated electricity produced globally every year. This amount is equivalent to how many kilowatts?

166,000 kw

500

How many kelvins are equal to 60 F?

289K

500

If the relationship between the manipulated variable and the responding variable is a direct proportion, what will a line graph look like?

Straight 

500

What happens to the number in a measurement that is converted from kilometers to meters?

It gets larger

500

Describe a main idea of physical science that deals with space and time. 

The universe is very large and very old. 

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