Quiz about Nature of Science

Question 1

Using one or more of your senses to gather information is called

Accepted Answer

Observing

Answer

Inferring

Answer

Predicting

Answer

Hypothesizing

Question 2

An educated guess or testable prediction is a

Accepted Answer

hypothesis

Answer

theory

Answer

law

Answer

conclusion

Question 3

The amount of space occupied by an object is its ________________.

Accepted Answer

volume

Answer

length

Answer

mass

Question 4

Observations that deal with a number or amount are called

Accepted Answer

quantitative

Answer

qualitative

Question 5

The Skittles are yellow, red and green is an example of _____.

Accepted Answer

qualitative observations

Answer

quantitative observations

Answer

hypothesis

Question 6

The statement that correctly lists the steps of the scientific method in order is ______

Accepted Answer

ask a question-hypothesis- experiment-collect data and analyze

Answer

conclusion- research-hypothesis-ask a question

Answer

conclusion-hypothesis-research-experiment

Question 7

The part of an experiment that doesn't change is a _____.

Accepted Answer

constant

Answer

control

Answer

conclusion

Question 8

The steps commonly used by scientists in gathering information to test hypotheses and solve problems are called _____.

Accepted Answer

scientific method

Answer

scientific inquiry

Answer

hypothesis

Question 9

The variable that is changed by the scientist to test a hypothesis is called the _________________________ .

Accepted Answer

independent variable

Answer

dependent variable

Answer

control

Question 10

The _________________________ is the base metric unit of mass.

Accepted Answer

gram

Answer

Liter

Answer

meter

Question 11

A process that uses observation and experimentation to gain knowledge about events in nature is _________________________.

Accepted Answer

science

Answer

gravity

Answer

scientific method

Question 12

Which is the best description of the dependent variable?

Accepted Answer

the measurable variable

Answer

the variable that is changed by the scientist

Answer

the variable that does not change

Question 13

Which of the following should be a goal of a scientific investigation?

Accepted Answer

to help the scientist solve a problem

Answer

to help the scientist make money

Answer

to make sure the scientist is correct

Question 14

A prediction about a problem that can be tested is ____________________

Accepted Answer

hypothesis

Answer

variable

Answer

theory

Answer

law

Question 15

Waldriana would like to investigate the effect of temperature on the amount of food birds eat.  What should she do first to begin her investigation?

Accepted Answer

develop a question

Answer

conduct background research

Answer

design an experiment

Answer

come up with a theory

Question 16

Rigoberto writes down his hypothesis that more salt will dissolve in cold water than in warm water. He adds salt to different temperatures of water and records his observations including the amount of undissolved salt. He finds that there is more salt dissolved in warm water than cold water. What should Rigoberto do next to make sure that his conclusion is valid?

Accepted Answer

repeat his investigation to see if his results are the same

Answer

do another investigation with sugar

Answer

repeat his investigation using a different liquid than water

Answer

change his results to match his original hypothesis

Question 17

Which question would be best to answer using a scientific investigation?

Accepted Answer

Does temperature affect the amount of rain?

Answer

Why are people afraid during thunderstorms?

Answer

How easy is it to shovel snow?

Answer

Are some clouds prettier than others?

Question 18

Scientists who study hurricanes sometimes fly into the hurricanes to take readings from inside the storm. How does this differ from most scientific research?

Accepted Answer

Hurricane scientists cannot control variables.

Answer

Hurricane scientists cannot collect data.

Answer

Hurricane scientists cannot draw conclusions.

Answer

Hurricane scientists cannot make hypotheses.

Question 19

A group of people trained to climb a mountain. As they practices in high altitudes, a researcher measured changes in their lung strength. Why is it important that her study has a control group?

Accepted Answer

to compare typical lung strength with the effects of training

Answer

O to ensure that everyone in the group was strong enough to climb a mountain

Answer

to test equipment for measuring lung strength

Answer

to share her research with as many people as possible

Question 20

Austin is studying states of matter by heating water in a pan. Which statement from his notebook is an observation?

Accepted Answer

Tiny bubbles form on the bottom of the pan.

Answer

It is hard to estimate the size of the bubbles.

Answer

The bottom of the pan must be very hot.

Answer

I think there is air in the bubbles.

Question 21

How many variables should be changed in a simple experiment?

Accepted Answer

1

Answer

5

Answer

3

Answer

6

Question 22

A scientist says that she has made an important discovery about sound waves. What needs to happen for most other scientists to accept her results?

Accepted Answer

Other scientists need to be able to get the same results.

Answer

The scientist has to explain her results to other scientists.

Answer

Many scientists need to review the results.

Answer

The scientist needs to publish her results in a journals.

Question 23

Jaylynn says a baseball and a basketball will fall at the same speed. Her friend disagrees. Which of these is the best way for them to find out?

Accepted Answer

drop both balls from a high place and compare how fast they fall

Answer

ask an adult which one is right

Answer

explain their reasons to each other

Answer

ask twenty different people on the playgroup what they think

Question 24

Alejandro wanted to find out which of his friends was the strongest. He asked each of his friends to come to his lab three different times and lift some weights. Alejandro wrote down how much weight each person could lift. How was his investigation different from an experiment?

Accepted Answer

Alejandro did not test a hypothesis

Answer

Alejandro did not make any observations

Answer

Alejandro did not repeat his tests.

Answer

Alejandro did not collect any data.

Question 25

Amanda makes the following hypothesis:  If the humidity increases, it will help plants grow.  Which of these describes a controlled experiment that would best help Amanda prove or disprove her hypothesis?

Accepted Answer

observing plant growth in a greenhouse with a constant humidity and in a greenhouse with changing humidity

Answer

recording the number of tall plants and short plants in different fields that have different humidity levels

Answer

O measuring the temperatures and humidity in a greenhouse that has both short and tall plants growing in it

Answer

O making a model to observe whether water collects on the walls of a greenhouse with increasing humidity

Question 26

Scientists are studying how bears kept in zoos behave.  Which of these would be the best control group?

Accepted Answer

bears in the wild

Answer

bears kept as pets

Answer

other animals in zoos

Answer

other animals in the wild

Question 27

What would be the best way to collect data on the average age of a large population?

Accepted Answer

review government records

Answer

ask people their ages

Answer

check newspapers for birth announcements

Answer

estimate ages by looking at large groups of people

Question 28

A scientist wanted to find out if a species of bird became extinct after a species of snake was brought to that area.  She studied the data that other scientists had collected and discovered that the bird species probably went extinct because of the snakes.  What step of the scientific investigation did the scientist not do?

Accepted Answer

She did not conduct a test.

Answer

She did not do any research.

Answer

She did not have a hypothesis.

Question 29

1. Why is it important to have a control in an investigation?

Accepted Answer

Controls are used to show that different results are caused by changing the variable.

Answer

Without controls, it is not possible to make a hypothesis.

Answer

A control helps us to predict.

Answer

Controls are the answer to the investigative question.

Question 30

A valid scientific investigation must be able to be

Accepted Answer

replicated (which means repeated)

Answer

graphed.

Answer

predicted.

Answer

observed.

Question 31

Which would be the best source of information for a scientist?

Accepted Answer

an article in a science journal

Answer

a TV program

Answer

a book review

Answer

a newspaper article

Question 32

Jonathan and Renier dropped a rubber ball from the same height onto six different surfaces. They measured the height of each bounce and recorded their data. The graph shows their data. Based on the data, which of the following is the best conclusion?

Accepted Answer

A rubber ball bounces higher on harder surfaces.

Answer

All balls bounce higher indoors than they do outdoors.

Answer

The surface has no affect on the height of the bounce.

Answer

A rubber ball does not bounce as high as a super ball.

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