Question 1

The scientific method

Accepted Answer

All of these things

Answer

Is a general description of scientific thinking

Answer

Uses critical thinking to solve problems

Answer

Is used to find and evaluate possible answers to problems

Question 2

SI is considered a consistent system because it

Accepted Answer

is used worldwide

Answer

has 7 base units

Answer

dates back to 1795

Answer

uses derived units

Question 3

A measurement that is accurate is one that

Accepted Answer

is close to the true value

Answer

contains at least four significant figures

Answer

is as exact as possible

Answer

contains 5 decimal places

Question 4

When scientists make a prediction that can be tested, what skill is being used?

Accepted Answer

hypothesizing

Answer

making models

Answer

taking measurements

Answer

inferring

Question 5

What can you infer about the temperature for E.coli bacterial growth?

Accepted Answer

E. coli does not grow well at low and high temperatures.

Answer

E.coli grows best at very low temperatures

Answer

E coli will continue to grow at very high temperatures.

Answer

E.coli grows best at very high temperatures.

Question 6

After formulating a question, the next step of the scientific method is

Accepted Answer

to test hypotheses

Answer

to state a conclusion

Answer

to perform an experiment

Answer

to research and collect data

Question 7

Most scientific questions are developed from

Accepted Answer

observations

Answer

research

Answer

forming a hypothesis

Answer

investigation

Question 8

Critical thinking

Accepted Answer

all of these

Answer

uses observations

Answer

uses logic

Answer

is based on facts

Question 9

Which graph best shows a change in data over time?

Accepted Answer

line graph

Answer

pie chart

Answer

all of these

Answer

bar graph

Question 10

Which type of graph best shows a comparison of several items or events?

Accepted Answer

bar graph

Answer

line graph

Answer

all of these

Answer

pie chart

Question 11

Which type of graph best shows data that are parts of a whole? (THINK percentage)

Accepted Answer

pie chart

Answer

all of these

Answer

line graph

Answer

bar graph

Question 12

Scientists test a hypothesis by

Accepted Answer

doing experiments

Answer

formulating questions

Answer

designing models

Answer

drawing conclusions

Question 13

Which of the following is the greatest concern for scientists using the Internet?

Accepted Answer

accuracy

Answer

bias

Answer

speed

Answer

hypothesis

Question 14

Which of the following terms describes a variable that does not change in an experiment?

Accepted Answer

constant

Answer

dependent

Answer

hypothesis

Answer

independent

Question 15

Which of the following is the first step toward finding a solution?

Accepted Answer

test the hypothesis

Answer

draw a conclusion

Answer

identify the problem

Answer

analyze data

Question 16

Predictions about what will happen can be based on which of the following

Accepted Answer

prior knowledge

Answer

technology

Answer

number of trials

Answer

controls

Question 17

If you use a computer to make a three-dimensional picture of a building, it is an example of which of the following?

Accepted Answer

model

Answer

hypothesis

Answer

control

Answer

variable

Question 18

When scientists make a prediction that can be tested, what skill is being used?

Accepted Answer

hypothesizing

Answer

inferring

Answer

taking measurements

Answer

making models

Question 19

To make sure experimental results are valid, which of these procedures must be followed?

Accepted Answer

conduct multiple trials

Answer

pick two hypothesis

Answer

communicate uncertain results

Answer

add bias

Question 20

Which piece of evidence could be used to BEST support this claim: Students should be required to wear uniforms.

Accepted Answer

Attendance rates went up and bad behavior went down.

Answer

A school uniform could end up costing more than $200.

Answer

School uniforms can be ordered online .

Answer

A student said "Allowing us to wear our own clothes allows us to be unique"

Question 21

What conclusions can you draw from this graph?

Accepted Answer

The dear population went up quickly, then down, but then stayed the same.

Answer

There are less dear because of hunters.

Answer

The deer population went up over time.

Answer

The deer population went down over time.

Question 22

The purpose of graphs, charts and tables is to

Accepted Answer

help scientists visualize results from an experiment.

Answer

practice my drawing skills.

Answer

make the experiment look nice.

Answer

practice what I learned in science class.

Question 23

What type of graph is this?

Accepted Answer

Bar graph

Answer

Histogram

Answer

Pie chart

Answer

Line graph

Question 24

Which axis runs horizontally?

Accepted Answer

x

Answer

y

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