Question 1

Using observations and knowledge to decide what happened in the past or present

Accepted Answer

Inferring

Answer

Estimating

Answer

Classifying

Answer

Predicting

Question 2

Using observation and knowledge to decide what will happen in the future

Accepted Answer

Predicting

Answer

Classifying

Answer

Inferring

Answer

Estimating

Question 3

What type of observation is this? The dog had a litter of 9 puppies.

Accepted Answer

Quantitative

Answer

Estimation

Answer

Qualitative

Answer

Sensory

Question 4

Which type of observation deals with things that cannot be expressed in numbers?

Accepted Answer

Qualitative

Answer

Estimation

Answer

Sensory

Answer

Quantitative

Question 5

Which units of measurement do scientists use?

Accepted Answer

SI

Answer

Metric

Answer

Standard

Question 6

A scientist is grouping items according to their similarities. What are they doing?

Accepted Answer

Classifying

Answer

Analyzing

Answer

Modeling

Answer

Inferring

Question 7

How do scientists study things that are too big or small to study otherwise?

Accepted Answer

make models

Answer

take a survey

Answer

research

Answer

talk to other scientists

Question 8

What is the SI unit for mass

Accepted Answer

kilogram

Answer

kg/L

Answer

second

Answer

$m^2$

Question 9

How are mass and weight different?

Accepted Answer

Mass measures the matter, weight measures effects of gravity

Answer

Mass measures matter, weight measures volume

Answer

Mass measures the effect of gravity, weight measures matter

Answer

Mass measures volume, weight measures effects of gravity

Question 10

What can change based on what planet you are on?

Accepted Answer

Weight

Answer

Mass

Answer

Density

Answer

Volume

Question 11

What is the SI unit for density?

Accepted Answer

kg/L

Answer

$m^3$

Answer

kilogram

Answer

second

Question 12

What characteristics must all hypotheses have?

Accepted Answer

testable

Answer

accurate

Answer

a random guess

Answer

true

Question 13

The variable that you change in an experiment

Accepted Answer

independent

Answer

constant

Answer

control

Answer

dependent

Question 14

What do you call the factors that must remain the same in all of your trials?

Accepted Answer

constant

Answer

dependent

Answer

independent

Answer

control

Question 15

What variable is measured as a result of what you change each trial?

Accepted Answer

dependent

Answer

independent

Answer

constant

Answer

control

Question 16

For "+" or "-", what do you look at to determine how many significant figures your answer should have?

Accepted Answer

least # of decimals

Answer

least # of significant digits

Answer

least # of 0's

Question 17

For "×" or "÷" what do you look at to determine how many significant figures your answer should have?

Accepted Answer

least # of significant digits

Answer

least # of 0's

Answer

least # of decimals

Question 18

Answer using the correct number of significant figures: 12.101 + 1.1

Accepted Answer

13.2

Answer

13.1

Answer

13.102

Answer

13.201

Question 19

Answer using the correct number of significant digits: 12 x 100

Accepted Answer

1000

Answer

1200

Answer

120

Answer

100

Question 20

Do you want your results to be accurate or precise?

Accepted Answer

Both

Answer

Accurate

Answer

Precise

Question 21

Which statement best describes the data set?

Accepted Answer

It is precise but not accurate.

Answer

It is accurate but not precise.

Answer

It is neither accurate nor precise.

Answer

It is both accurate and precise.

Question 22

If the trend continues, what volume of water would you expect after 35 seconds of dripping?

Accepted Answer

approximately 20 mL

Answer

approximately 10 mL

Answer

approximately 25 mL

Answer

approximately 12 mL

Question 23

An oven is a technological system. Setting the temperature is an example of

Accepted Answer

input

Answer

feedback

Answer

output

Answer

process

Question 24

Theory or Law???  Is a well-tested EXPLANATION for a wide range of observations and experimental results.

Accepted Answer

Theory

Answer

Law

Question 25

Theory or Law???  Is a DESCRIPTION of what a scientists expects to happen every time under a certain set of conditions.

Accepted Answer

Law

Answer

Theory

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