NGSS.MS-ETS1-1

Before you can solve a problem, the first thing you have to do is _____

• define the problem
• design your solution
• build a protoype
• test your solution

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NGSS.MS-ETS1-1

Once you've figured out what problem you want to tackle, you need to _____

• do your research
• design your solution
• build a prototype
• test your solution

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NGSS.MS-ETS1-1

After your research is done, this is where you _____

• define the problem
• develop a possible solution
• build a prototype
• test your solution

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NGSS.MS-ETS1-1

What is Chemical Engineering?

• •Apply scientifically the principles of chemistry, physics, and engineering to design an operation of plants for the production of materials that undergo chemical changes during their processing
• •Plan, design, and supervise the construction of facilities in both the public and private sectors
• •Deals with the motion of electrons in metals
• •Apply the principles of mechanics and energy to the design of machines and devices

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NGSS.MS-ETS1-1

Which word best describes a constraint?

• option
• opportunity
• limitation
• goal

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NGSS.MS-ETS1-1

Which of the following would be the "most effective" action that humans could take to keep a barrier island from washing away?

• plant lots of trees, bushes, and grass on the island
• limit the number of people that can come onto the island
• build a bridge from the island to the mainland
• stop building houses and roads on the island

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NGSS.MS-ETS1-1

Students in a biology class thought that salt water would affect the movements of planaria. They put 25 planaria in salt water and recorded their observations. What flaw was present in their experimental design?

• There was no control group.
• There was no hypothesis.
• The sample was too big.
• The procedure was too complicated.

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NGSS.MS-ETS1-1

The reason for the engineering and design process is _____________.

• discover new things

• find answers

• solve a problem

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NGSS.MS-ETS1-1

A series of steps used to guide people as they develop new solutions, products, or processes.

• design

• engineering

• engineering design process

• technology

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NGSS.MS-ETS1-1

Hutan-hutan yang telah gundul dapat mengalami erosi ketika hujan turun sehingga menimbulkan banjir. Untuk mencegah bencana tersebut terulang, upaya yang dapat dilakukan adalah ..

• Membangun perumahan diarea hutan yang gundul

• Mengubah hutan menjadi sawah

• Membuat tanggul penahan air

• Melakukan reboisasi

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NGSS.MS-ETS1-1