While investigating the density of liquids. Which action is the result of creative thinking.

Comparing the densities of liquids commonly added to foods.

If the results of an experiment do not support a scientist's hypothesis, what should the scientist do?

Revise the hypothesis based results and use it to design a new experiment.

Engineers are designing a habitata to live on the moon. Which statement describes a criterion of this project?

The habitat must have an airlock that lets opens to the Moon's surface.

Which statement is a hypothesis?

The shelf life of apples will increase if stored in a refrigerator.

Why is publishing results important to science?

It allows others to evaluate the results.

Engineers are designing a habitat to live on the moon. Which statement describes a criterion of this project?

The habitat must protect astronauts from harmful radiation.

Engineers are designing a habitat to live on the moon. Which statement describes a constraint of this project?

The habitat must have fewer that 200,000 kg of materials.

If a scientist gets unexpected results during the first trial of an experiment, what should he or she do next?

Repeat the experiment to be sure the results are valid.

Experimenting with how a paper plane's shape affects how far it will fly. Which action is a result of logical resoning?

Deciding to use the same type of paper for each plane.

Which statement is a hypothesis?

If a worm is given a choice, it will move toward darkness not the light.

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What is Engineering TEST Review

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Unit 1 review

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Questions 16

Answers

1
Which of these is important to interpreting scientific information?
Reasoning
Mythology
Personal history
Bias
2
While investigating the density of liquids. Which action is the result of creative thinking.
Deciding to repeat the experiment to see if you get the same result.
Using identical containers to measure each of the liquids.
Recording the density of each liquid in a data table.
Comparing the densities of liquids commonly added to foods.
3
If the results of an experiment do not support a scientist's hypothesis, what should the scientist do?
Abandon the research and investigate a different topic
Revise the hypothesis based results and use it to design a new experiment.
Accept that the investigation failed and publish for peers to review.
Change the data so that they support the original hypothesis.
4
Which of these are part of a scientific way of gathering information?
Fairy Tales
Religious belief
Opinions
Investigation
5
Students are setting up a test to see if worms prefer rough or smooth surfaces. Which type of investigation is this?
Descriptive
Experimental
Controlled
Comparative
6
Engineers are designing a habitata to live on the moon. Which statement describes a criterion of this project?
The habbitat must use fewer than 200,000 kf of materials.
The habitat must be built from materials brought from Earth.
The habitat must have an airlock that lets opens to the Moon's surface.
The habitat must cost less than $700,000 per year to maintain.
7
Which statement is a hypothesis?
Red apples taste better than green or yellow apples.
It is wrong to waste apples by letting them rot.
Apples can be grown in every part of the world.
The shelf life of apples will increase if stored in a refrigerator.
8
Students are investigating how many worms occupy a given volume of soil. What type of investigation is this?
Experimental
Controlled
Descriptive
Comparative
9
Why is publishing results important to science?
It adds bais to experimental data.
It lets scientists show of their imaginations.
It allows others to evaluate the results.
It turns hypotheses into scientific laws.
10
Engineers are designing a habitat to live on the moon. Which statement describes a criterion of this project?
The habitat must protect astronauts from harmful radiation.
The habitat must be completed within 10 years.
The habitat must cost less than $500 billion to build.
The habitat must use fewer than 200,000 kg of material.
11
Engineers are designing a habitat to live on the moon. Which statement describes a constraint of this project?
The habitat must have an exercise room.
The habitat must have fewer that 200,000 kg of materials.
The habitat must have shielding to block cosmic radiation.
The habitat must maintain an internal temperature of 22 degrees C.
12
If a scientist gets unexpected results during the first trial of an experiment, what should he or she do next?
Change the data to match expectations.
Repeat the experiment to be sure the results are valid.
publish only the expected data.
Reject the scientific theory not supported by the results.
13
Which investigation involves looking for ways that two or more objects, events or processes are alike and different.
Controlled investigation
Experimental investigation
Descriptive investigation
Comparative investigation
14
Which of these is important to gathering and interpreting scientific information?
Legend
Emotion
Logic
Religion
15
Experimenting with how a paper plane's shape affects how far it will fly. Which action is a result of logical resoning?
Recording only the data that supports your favorite hypothesis.
Deciding to use the same type of paper for each plane.
Performing the experiment outside on a windy day.
Following the procedure carfully.
16
Which statement is a hypothesis?
If a worm is given a choice, it will move toward darkness not the light.
The worms must all be the same species.
Do worms prefer light or darkness?
Most worms moved to the shaded area during the experiment.

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