Unit 2 Assessment

Front

What is the total mass of water formed when 4 grams of hydrogen combines with 32 grams of oxygen?

Back

36 grams of water.

Front

What does an endothermic reaction feel like to the touch?

Back

Cold.

Front

What does an exothermic reaction feel like to the touch?

Back

Hot.

Front

What is a constraint in engineering design?

Back

A limitation or restriction, such as a budget.

Front

What type of system is described when two chemicals fizz and change color?

Back

Open system.

Front

What is the purpose of the 'Test and evaluate' step in the engineering design process?

Back

To assess the performance of a prototype and determine if it meets the criteria.

Front

What is the definition of an open system in chemistry?

Back

A system that can exchange both matter and energy with its surroundings.

Front

What is the definition of a closed system in chemistry?

Back

A system that can exchange energy but not matter with its surroundings.

Front

What is the engineering design process?

Back

A series of steps that engineers follow to come up with a solution to a problem.

Front

What is the first step in the engineering design process?

Back

Identifying the problem.