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Scientific Investigations
Density
Volume
Engineering Design Process
Technology
100
One scientific method is defining a problem from a observation because there could be problem or questions after observing.
What is one scientific method and what it is?
100
Density is the amount of mass in a given volume.
What is density?
100
Volume is the amount of space an object takes up.
What is volume?
100
The engineering design process is a series of steps that lead to a new product.
What is the engineering design process?
100
Technology is the application of science for practical reasons.
What is technology?
200
Independent variables differ from dependent variables because scientists can change independent variables. Therefore, dependent variables stay the same.
How are independent variables different from dependent variables?
200
Density is measured with g/ cubic cm for solids or g/ cubic mL for liquids.
What measurements is density measured with?
200
Two things that are used to measured volume are water displacements and graduated cylinders.
What are two things volume is measured with?
200
The first step in the engineering design process is identifying a need. Trying to find something that is needed to be improved.
What is the first step in the engineering design process?
200
Not all technology is complicated, expensive, and plugged. An example of simple technology is tape.
Is technology all difficult and complicated?
300
No, scientists can only have one independent variable in a controlled experiment.
Can scientists have more than one independent variable?
300
The formula for measuring density is mass divided by volume.
What is the formula for measuring density?
300
The formula for measuring the volume of a well-shaped object is length x width x height.
What is the formula for measuring the volume of a well-shaped object?
300
No, engineers can not just skip testing their prototype and communicate their results because the prototype might need to improve.
Can engineers skip testing their prototype and just communicate their results? Why?
300
The knowledge of physics, electronics, microprocessors, and software are needed to make newer, complex technology.
What are required knowledge to make new and expensive technology?
400
The first step is observation. You observe by collecting information using your five senses.
What is the first step of scientific investigations and how does this step work?
400
The density amount of water is 1 g/cubic cm.
What is the density of liquid water?
400
Objects with similar volume do not have the same mass.
Will objects with similar volume have the same mass?
400
Needed skills for engineering design are thinking creatively, thinking methodically, using math and models, using technology, and using science.
What are needed skills for engineering design?
400
The engineering design process is a method used to develop new technology.
What is a method used to develop new technology?
500
1) Observing, which is obtaining information by using your 5 senses. (Sight, Smell, Touch, Sound, Taste) 2) Forming Hypothesis, which is an testable, possible, and educated explanation or answer. 3) Experimenting, which is testing out your hypothesis with a independent and dependent variable. Also, record data. 4) Data, which is the information that is recorded when observing the experiment. Evaluate and analyze data. 5) Conclusion, which is putting an end to your investigation, seeing if the experiment worked or not and if your hypothesis is correct. 6) Presentation, which is creating a display and showing it to people.
What are all the steps that scientists go through to do scientific investigations?
500
The density of an object will only change when the mass and volume changes. Otherwise, it will never change.
Will the density of an object ever change?
500
After the cylinder is filled with measured water, drop the object into the cylinder to see how much the water have increased. The volume is how much the water increased.
How to use a water displacement?
500
The first step is identifying a need. The second step is researching and understanding the problem. The third step is brainstorming solutions when you understand the problem. The fourth step is finding and selecting the best solution that fits the problem. The fifth step is testing out the solution, build and designing a prototype. The sixth step is to test your prototype and judge it. The seventh step is to redesign in order to improve your prototype. The last step is to communicate with other people or the public to share your design.
What are all the steps in the engineering design process?
500
Technology include products, process, and systems.
What are things technology include?