Quiz about Scientific Method Test Review

Question 1

What is an educated guess based on an observation?

Accepted Answer

Inference

Answer

Observation

Answer

Hypothesis

Answer

Theory

Question 2

What is data collected, measured, perceive, or noticed especially during an experiment?

Accepted Answer

Observation

Answer

Inference

Answer

Hypothesis

Answer

Theory

Question 3

What is a comprehensive explanation of facts that has been repeatedly supported?

Accepted Answer

Theory

Answer

Observation

Answer

Inference

Answer

Hypothesis

Question 4

What is a proposed explanation that must be testable through experimentation?

Accepted Answer

Hypothesis

Answer

Observation

Answer

Inference

Answer

Theory

Question 5

What is the SI unit used to measure mass?

Accepted Answer

Grams (g)

Answer

Pounds (lbs)

Answer

Liters (L)

Answer

Meters (m)

Question 6

What is the SI unit used to measure volume?

Accepted Answer

Liters (L)

Answer

Grams (g)

Answer

Ounces (oz)

Answer

Meters (m)

Question 7

What is the SI unit used to measure length?

Accepted Answer

Meters (m)

Answer

Grams (g)

Answer

Feet (ft)

Answer

Liters (L)

Question 8

Which of the following is an example of a quantitative observation?

Accepted Answer

The dog has a mass of 60 kg.

Answer

The dog has brown fur.

Answer

The dog smelled like mud.

Answer

When I scratch behind my dog's ear, his tail wags.

Question 9

Which of the following is an example of a qualitative observation?

Accepted Answer

The board is as white as a piece of paper.

Answer

When I shine a laser beam on the floor in front of my cat, it tries to pounce on the laser beam.

Answer

The drum beat has a loudness of 125 decibels.

Answer

Kendal ran 1 mile in 5 minutes.

Question 10

What is a logical inference for the observation "A kid is walking on the sidewalk carrying a basketball"?

Accepted Answer

The kid is headed to the park to play basketball.

Answer

The kid just ate ice cream.

Answer

The kid traded his football for a basketball.

Answer

The kid hates basketball.

Question 11

Which of the following correctly explain the difference between a hypothesis and a theory? (Select ALL that apply.)

Accepted Answer

A theory has been repeatedly supported, but a hypothesis has not.

Accepted Answer

A theory covers a broader concept than a hypothesis.

Answer

A hypothesis must be testable whereas a theory does not.

Answer

A hypothesis covers a broader concept than a theory.

Question 12

What is the variable in an experiment that is purposely changed by the scientist to test a hypothesis?

Accepted Answer

Independent Variable

Answer

Dependent Variable

Answer

Control

Answer

Constant

Question 13

What is the variable in an experiment that may change in response to the independent variable?

Accepted Answer

Dependent Variable

Answer

Reliable Variable

Answer

Control

Answer

Constant

Question 14

In an experiment, what is the group of unchanged participants used as a standard of comparison?

Accepted Answer

Control

Answer

Dependent Variable

Answer

Reliable Variable

Answer

Constant

Question 15

In an experiment, what is a factor that is kept the same in order to minimize bias?

Accepted Answer

Constant

Answer

Dependent Variable

Answer

Reliable Variable

Answer

Control

Question 16

What is the process by which people gather evidence about the natural world and propose explanations based on this evidence called?

Accepted Answer

Scientific Inquiry

Answer

Controlled Experiment

Answer

Bias

Answer

Pseudoscience

Question 17

Finding out why leaves change color in the fall is an example of

Accepted Answer

using scientific inquiry.

Answer

developing a theory.

Answer

making a prediction.

Answer

collecting data.

Question 18

Identify the statement as true or false. If false, chose the correct word/phrase to replace the underlined part to make the statement true.

Scientific reasoning relies on subjective reasoning, which requires the gathering and evaluating of evidence.

Accepted Answer

False; objective reasoning

Answer

True

Answer

False; pseudoscience

Answer

False; argumentative reasoning

Question 19

Identify the statement as true or false. If false, choose the correct word/phrase to replace the underlined part to make the statement true.

The conclusions of pseudoscience are based on empirical evidence and logical reasoning.

Accepted Answer

False; personal beliefs and subjective reasoning.

Answer

True

Answer

False; scientific theories and experiments.

Answer

False; data and analysis.

Question 20

Sponge Bob notices that his pal Gary is suffering from slimotosis, which occurs when the shell develops a nasty slime and gives off a horrible odor. His friend Patrick tells him that rubbing seaweed on the shell is the perfect cure, while Sandy says that drinking Dr. Kelp will be a better cure. Sponge Bob decides to test this cure by rubbing Gary with seaweed for 1 week and having him drink Dr. Kelp. After a week of treatment, the slime is gone and Gary's shell smells better.

What is the initial observation?

Accepted Answer

Gary has a slimy shell.

Answer

Seaweed cures slimotosis.

Answer

Dr. Kelp cures slimotosis.

Answer

Patrick is smarter than Sandy.

Question 21

Sponge Bob notices that his pal Gary is suffering from slimotosis, which occurs when the shell develops a nasty slime and gives off a horrible odor. His friend Patrick tells him that rubbing seaweed on the shell is the perfect cure, while Sandy says that drinking Dr. Kelp will be a better cure. Sponge Bob decides to test this cure by rubbing Gary with seaweed for 1 week and having him drink Dr. Kelp. After a week of treatment, the slime is gone and Gary's shell smells better.

What is the independent variable?

Accepted Answer

Exposure to seaweed and Dr. Kelp.

Answer

Amount of slime on Gary's shell.

Answer

Exposure to seaweed.

Answer

Exposure to Dr. Kelp

Question 22

Sponge Bob notices that his pal Gary is suffering from slimotosis, which occurs when the shell develops a nasty slime and gives off a horrible odor. His friend Patrick tells him that rubbing seaweed on the shell is the perfect cure, while Sandy says that drinking Dr. Kelp will be a better cure. Sponge Bob decides to test this cure by rubbing Gary with seaweed for 1 week and having him drink Dr. Kelp. After a week of treatment, the slime is gone and Gary's shell smells better.

What is the dependent variable?

Accepted Answer

Amount of slime on Gary's shell.

Answer

Exposure to seaweed and Dr. Kelp.

Answer

Exposure to seaweed.

Answer

Exposure to Dr. Kelp

Question 23

Sponge Bob notices that his pal Gary is suffering from slimotosis, which occurs when the shell develops a nasty slime and gives off a horrible odor. His friend Patrick tells him that rubbing seaweed on the shell is the perfect cure, while Sandy says that drinking Dr. Kelp will be a better cure. Sponge Bob decides to test this cure by rubbing Gary with seaweed for 1 week and having him drink Dr. Kelp. After a week of treatment, the slime is gone and Gary's shell smells better.

What is should Sponge Bob's conclusion be?

Accepted Answer

Both seaweed and Dr. Kelp are effective cures for slimotosis, but we can't tell if one is better than the other.

Answer

Seaweed is an effective cure for slimotosis.

Answer

Dr. Kelp is an effective cure for slimotosis.

Answer

Neither seaweed nor Dr. Kelp are effective cures for slimotosis.

Question 24

Sponge Bob notices that his pal Gary is suffering from slimotosis, which occurs when the shell develops a nasty slime and gives off a horrible odor. His friend Patrick tells him that rubbing seaweed on the shell is the perfect cure, while Sandy says that drinking Dr. Kelp will be a better cure. Sponge Bob decides to test this cure by rubbing Gary with seaweed for 1 week and having him drink Dr. Kelp. After a week of treatment, the slime is gone and Gary's shell smells better.

How could Sponge Bob improve his experiment?

Accepted Answer

Use multiple snails and divide them into three groups: a seaweed treatment group, a Dr. Kelp treatment group, and a control group that gets no treatment.

Answer

Run it again exactly the same except use more snails.

Answer

Use multiple snails and divide them into two groups: a seaweed treatment group and a Dr. Kelp treatment group

Answer

Let Sandy and Patrick run the experiment instead.

Question 25

7,000 g = ____ kg

Accepted Answer

7

Answer

70

Answer

700

Answer

0.07

Question 26

240 cm = ___________ m

Accepted Answer

2.4

Answer

2400

Answer

24

Answer

0.24

Question 27

3 km = ___________ mm

Accepted Answer

3,000,000

Answer

30

Answer

300

Answer

3,000

Question 28

68 cm = ___________ mm

Accepted Answer

680

Answer

0.68

Answer

6.8

Answer

68

Question 29

32.9 km = ___________ cm

Accepted Answer

3,290,000

Answer

32,900

Answer

329,000

Answer

32,900,000

Question 30

Using the conversion chart, as the units move to the left, the decimal place moves to the ____________.

Accepted Answer

Left

Answer

Right

Answer

Sometimes to the right, sometimes to the left

Answer

The decimal place doesn't change between units

Question 31

Which unit is the smallest?

Accepted Answer

mm

Answer

km

Answer

m

Answer

cm

Question 32

Select the largest unit.

Accepted Answer

kilogram

Answer

centigram

Answer

decigram

Answer

decagram

Question 33

Using the conversion chart, as the units move to the right, the decimal place moves to the ____________.

Accepted Answer

Right

Answer

Sometimes to the right, sometimes to the left

Answer

Left

Answer

The decimal place doesn't change between units

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