WILD WOLF

Review

Unit 1Habits of Mind

Which tool is used to measure the volume of a liquid?

A. Balance

B. Ruler

C. Spring scale

D. Graduated cylinder

Answer: D

Which step would be done first in a scientific investigation?

A. Write procedure steps

B. Develop a hypothesis

C. Analyze the results

D. Draw conclusions

Answer: B

Scientists often collaborate when seeking the answer to a scientific question. To prevent bias in their work, scientists working to solve the same problem can

A. Change their hypotheses oftenB. Change their observations and

measurements to support their hypotheses

C. Disregard any results that do not support their hypotheses

D. Conduct independent studies of the same question

Answer: D

Which statement explains how to safely work with chemicals during a lab investigation?

A. Always smell the chemical if you are not sure what it is.

B. Never use a chemical from an unlabeled container.

C. Gloves are not needed when you work with chemicals

D. Goggles only need to be worn when working with chemicals labeled “toxic”.

Answer: B

The closeness of a measurement to its true value is its ?

A. significant figures.

B. estimate

C. accuracy

D. rounding

Answer: C

Maria measures the length of a piece of wood as 2.7 meters. What is the length of the wood in centimeters?

A. 0.27cm

B. 2.7cm

C. 270cm

D. 2,700cm

Answer: C

Which of these statement about a hypothesis is true?

A. It is valuable only when proved accurate.

B. It may be valuable even when it turns out not to be completely accurate.

C. It is determined after a scientist performs his or her initial experiment.

D. It provides a basis for changing data that are inaccurate.

Answer: B

The SI unit of temperature is the ?

A. metric degree

B. degree Fahrenheit

C. degree Celsius

D. Kelvin

Answer: D

What is the main goal of scientific ethics?

A. To reduce the use of animals in research

B. To help scientists design more accurate experiments

C. To guide scientific research in a responsible way

D. To increase the amount of research done as field studies

Answer: C

During an experiment, if you purposely change or manipulate the temperature to test a hypothesis, what type of variable is the temperature?

A. The control group

B. The independent variable

C. The responding variable

D. The experimental group

Answer: B

The SI unit of time is the ?

A. hour

B. minute

C. Second

D. day

Answer: C

What do repeated trials in an experiment allow a scientist to do?

A. Choose different dependent variables

B. Check the accuracy of the experimental results

C. Make changes in results that do not support a hypothesis

D. Change a hypothesis to support the results

Answer: B

The amount of space an object takes up is the object’s ?

A. volume

B. density

C. mass

D. length

Answer: A

Mass and weight are different because

A. mass depends on the force of gravity.

B. weight depends on the force of gravity.

C. weight depends on the amount of matter an object contains.

D. mass does not depend on the amount of matter an object contains

Answer: B

What is the main purpose of charts, graphs, and tables?

A. To show data in a concise and organized way

B. To demonstrate all of the scientist’s hard work

C. To show a model of the scientist’s thinking

D. To make the report look fancyAnswer: A

Carla wants to compare the masses of two different mineral samples. Which would be the BEST tool to use?

A. Pan balance

B. Breaker

C. Meter stick

D. Graduated cylinder

Answer: A

The weight of an object is measured with

A. A spring scale

B. A thermometer

C. A pan balance

D. A graduated cylinder

Answer: A

How many meters are there in a kilometer?

A. 10

B. 100

C. 1000

D. 10000

Answer: C

The basic unit of length in the metric system is the

A. Foot

B. Meter

C. Mile

D. Kilometer

Answer: B

The vertical axis of a graph runs

A. Left to right

B. Up and down

C. Horizontally

D. diagonally

Answer: B

The closeness of a measurement to its true value is the

A. Significant figure

B. estimate

C. accuracy

D. precision

Answer: C

Meredith wants to compare the masses of two different mineral samples. Which would be the BEST tool to use?

A. Pan Balance

B. Beaker

C. Meter stick

D. Graduated cylinder

Answer: A

You are conducting an experiment in which you measure a person’s body temperature in response to changes in air temperature. What is the independent variable that is manipulate in this experiment?

A. Air temperature

B. Size of the person

C. Person’s body temperature

D. Size of the room the person is placed in

Answer: A

When scientists put things into categories or group together items that are alike in some way, they are

A. inferring

B. predicting

C. classifying

D. Making models

Answer: C

An organized way to collect and record scientific observations is with a (n)

A. model

B. inference

C. Data table

D. Operational definition

Answer: C

One useful tool that may help a scientist interpret data by revealing unexpected patterns is a

A. Variable

B. Graph

C. Theory

D. law

Answer: B

A summary of what you have learned from a scientific experiment is called a (n)

A. Hypothesis

B. Inquiry

C. Conclusion

D. law

Answer: C

Which stage of the scientific process enable a scientist to check the work of other scientists?

A. Classifying

B. Concluding

C. Hypothesizing

D. communication

Answer: D

What number is the metric system of measurement based?

A. 12

B. 13

C. 10

D. 1

Answer: C

The difference between the largest and smallest values is?

A. The mean

B. The median

C. The mode

D. The range

Answer: D

What is the goal of technology?

A. to produce and deliver cereal

B. to understand how the natural world functions

C. to study the natural world

D. to improve the way people live

Answer: D