The Scientific Method, Lab Skills, Graphing

Question 1

An experiment that tests only one factor by using a control group and an experimental group is

Accepted Answer

a controlled experiment

Question 2

Quantitative Observations are

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things that are measured

Question 3

the hypothesis: Light affects the growth of plants. What is plotted on the y axis?

Accepted Answer

growth of plants

Question 4

A series of steps followed to solve problems is

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the scientific method

Question 5

How long is this line (it started at zero)?

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15.5 cm

Question 6

The control group in an experiment

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does not receive the variable/normal conditions

Question 7

Mass is

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the amount of matter in an object

Question 8

Inferences are

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things that are guessed based on observations

Question 9

All the things in an experiment that must be the same to make it fair are called

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controlled variables

Question 10

hypothesis: Light affects the growth of plants. What is the independent variable?

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various amounts of light

Question 11

Which of the following is important when creating a graph in science.

Accepted Answer

all of these

Question 12

How long is the eraser?

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6 mm

Question 13

A new concept tested in an investigation is a/an

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hypothesis

Question 14

What is the independent variable in the above experiment?

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intensity of the light

Question 15

In an experiment, the factor that we measure is called the

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the dependent variable

Question 16

The process of obtaining information by using the senses is called a/an

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observation

Question 17

When you decide whether or not the data supports the original hypothesis, you are

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drawing conclusions

Question 18

The conclusion of an experiment is based on

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the data collected

Question 19

Which of the following is NOT a rule when writing a hypothesis?

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It should restate the problem

Question 20

What is the volume of the green jade sample?

Accepted Answer

10.5 cm3

Question 21

If you wanted to measure the distance from here to Salt Lake City, you would use

Accepted Answer

kilometer

Question 22

What unit is used to measure the size of an object under a compound microscope

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micrometer

Question 23

Which measurements are in order of increasing size?

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micrometer, centimeter, meter

Question 24

A lab procedure used to heat 50 milliliters of water includes a

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graduated cylinder and a thermometer

Question 25

What skill is a scientist using when she listens to the sounds that whales makes?

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making observations

Question 26

In the above experiment, all of the following variables must be held constant EXCEPT

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intensity of light

Question 27

What is the volume

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24 mL

Question 28

In which step of the scientific method do we want to use graphs

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analyze data

Question 29

the hypothesis: Light affects the growth of plants. What variable should be on the x axis?

Accepted Answer

time

Question 30

A coverslip should be used in preparing

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wet mount of an onion cell

Question 31

If you wanted to know volume of water in a bottle of soda, you would use

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liters or milliliters

Question 32

In science, an educated guess is called a/an

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the hypothesis

Question 33

the hypothesis: Light affects the growth of plants. What is the dependent variable?

Accepted Answer

growth of plants

Question 34

Where do you read the volume in a glass graduated cylinder?

Accepted Answer

at the bottom of the curved meniscus

Question 35

In an experiment, the one variable that is changed is called the

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independent variable

Question 36

An experiment conducted by a group of students is considered valid if

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the experiment was repeated with the same results

Question 37

How can you increase the validity of an experiment?

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repeat the experiment getting similar results

Question 38

The analysis of data in an experiment is necessary to

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draw a conclusion

Question 39

How many millimeters are there between 13cm and 15cm?

Accepted Answer

20

Question 40

Volume is

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the amount of space an object takes up

Question 41

Not every well designed experiment will have a control group

Accepted Answer

false

Question 42

An experiment is successful if it proves the hypothesis to be correct.

Accepted Answer

false

Question 43

If you were measuring the mass of a fly, you should use

Accepted Answer

grams

Question 44

In order to see if a new drug works, scientists must give the new drug to one group

Accepted Answer

and have a second group without getting the drug

The Scientific Method, Lab Skills, Graphing

Questions 44

The Scientific Method, Lab Skills, Graphing

Questions 44