Science Unit 1 Test
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| Engineering Design Process | Series of steps that engineering teams use to guide them as they solve problems. It's cyclical, meaning that engineers repeat the steps as many times as needed, making improvements along the way.
🗑
|
||||
| Method to use if project involves making observations | Scientific Method
🗑
|
||||
| Steps in the Scientific Method | Question, Research, Hypothesis, Experiment, Analyze data, Communicate results
🗑
|
||||
| Control | Items that remain the same or is compared to in an experiment.
🗑
|
||||
| Independent variable | Item that you change.
🗑
|
||||
| Dependent variable | Item you are measuring.
🗑
|
||||
| Observation | Information gathered using your 5 senses.
🗑
|
||||
| Inference | Interpretation of your observations (involves an opinion).
🗑
|
||||
| When to use the Engineering Design Process | When the project involves designing, building, and testing something.
🗑
|
||||
| Steps in the Engineering Design Process | Problem, Research, Requirements (brainstorm), Solution, Develop prototype, Test (experiment), Solution works?, Communicate results
🗑
|
||||
| Criteria | A standard for evaluating or testing something.
🗑
|
||||
| Target population | An identified group intended to be served by the design.
🗑
|
||||
| Constraint | A restriction on the degree of freedom one has in providing a solution to the problem.
🗑
|
||||
| Brainstorm | A group technique for solving problems, generating ideas, stimulating creative thinking, etc. by participation in discussion.
🗑
|
||||
| Protoype | A full-scale working model used to test a design concept by making actual observations and necessary adjustments.
🗑
|
||||
| Evaluate | To judge or determine the significance, worth, or quality of a design.
🗑
|
||||
| Mass | Amount of matter in an object.
🗑
|
||||
| Unit of mass | Grams
🗑
|
||||
| Instruments used to measure mass | Triple beam balance, electronic scale
🗑
|
||||
| How to measure mass on an electronic scale | Before measuring, hit the tare button to set the scale to zero.
🗑
|
||||
| Volume | Amount of space that an object takes up.
🗑
|
||||
| Unit of volume | Liters
🗑
|
||||
| Instrument used to measure volumes | Graduated cylinder, beaker
🗑
|
||||
| Meniscus | When the liquid is curving downwards in a graduated cylinder or beaker.
🗑
|
||||
| Temperature | Measure of the movement of molecules.
🗑
|
||||
| Unit of temperature | Celsius (fahrenheit)
🗑
|
||||
| Instrument used to measure temperature | Thermometer
🗑
|
||||
| How to measure temperature on a thermometer | Allow thermometer time to stop moving before reading the temperature.
🗑
|
||||
| Length | Distance from one point to another.
🗑
|
||||
| Unit of length | Meters
🗑
|
||||
| Instrument used to measure length | Ruler
🗑
|
||||
| Time | Measure of a particular interval.
🗑
|
||||
| Unit of time | Seconds
🗑
|
||||
| Instrument used to measure time | Stopwatch
🗑
|
||||
| One Place Beyond | Make all measurements one place beyond the smallest measurement available on the instrument you are using.
🗑
|
||||
| Why metrics | It gives scientists a common language so they can communicate with one another.
🗑
|
||||
| Graduated cylinders | Used to measure the volume of liquids.
🗑
|
||||
| Why create graphs | To display the data that is collected during an experiment (line graphs).
🗑
|
||||
| Line graph | Show the relationship between two variables as those quantities are changing.Show data over time (rate).
🗑
|
||||
| Best-fit line | Line that does't connect the dots.
🗑
|
||||
| Why use best-fit lines | They show the general trend of the data and are used to predict.
🗑
|
||||
| Why calculate slope | It gives us information such as speed, acceleration, etc.
🗑
|
||||
| Which axis variables go on | Independent variable goes on the x axis and the left side of the data table. Dependent variable goes on the y axis and the right side of the data table.
🗑
|
||||
| Steps to create a graph | Identify variable, determine range, determine scale, number/label axis, plot data, draw graph, title graph.
🗑
|
||||
| All units for length | Meters, centimeters, feet, inches, miles, kilometers
🗑
|
||||
| All units for mass | Kilograms, grams, pounds
🗑
|
||||
| All units for time | Hours, minutes, seconds, days, months
🗑
|
||||
| All units for volume | Cups, teaspoons, liters, milliliters, gallons, quarts
🗑
|
||||
| All units for currency | Dollars, cents, dimes
🗑
|
||||
| Dimensional Analysis | Tool used to convert units in everyday life.
🗑
|
||||
| Why use dimensional analysis | It reduces error because it allows you to check your work.
🗑
|
||||
| Steps of Dimensional Analysis | Draw grid, given information, conversion factor, cross out units, multiply top and bottom, divide final two numbers
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
1962116900
Popular Science sets