science semester one test
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| what is the job of an engeneer? | to imagine a design, write it down on a blue print, build it test it then find the problems then improve it
🗑
|
||||
| what is the idea of a black box? | its something scientest use to describe something that cant be physically examined.
🗑
|
||||
| what was the idea of the humdingger? | was to create another black box or to guess what was inside.
🗑
|
||||
| heat is the flow of energy from warmer matter to cooler matter | true
🗑
|
||||
| thermal energy is the total energyof the particlesthat make up any matter | true
🗑
|
||||
| what is the difference between heat and tempatrue. | heat is the the moving particles in an objct tempatuer just mausures the heat in an object
🗑
|
||||
| tempature is a measurment of the avarage motion of the particles in a substance or object | true
🗑
|
||||
| expand is to take up more space ; to get larger | true
🗑
|
||||
| contract to take up less space; to get smaller | true
🗑
|
||||
| conduction is the flow of heat from one object to anotherby direct contact between the objects. | true
🗑
|
||||
| conducter is a substance through which energy travels. | true
🗑
|
||||
| insulator is a substance that slows down the transfer of heat. | true
🗑
|
||||
| convection is the flow of energy that occurs when warm liquid or gas moves from one place to another. | true
🗑
|
||||
| radiation is the transfer of energy from one place to another without the use of matter. | true
🗑
|
||||
| what is a model? | a model is a reprentation of something sometimes on a smaller scale
🗑
|
||||
| what is the difference between a physical and conceptual model? | a physical model is something like a model car in 3-D a conceptual model is like a blue print in 2-D.
🗑
|
||||
| if three people are collarating, what are they doing? | working together.
🗑
|
||||
| if the group that was collaborating had a problem and they came to a consensus, what did they do | they agreed.
🗑
|
||||
| what is a circut? | a circuit is a closed path that electrons can travel through.
🗑
|
||||
| what happens when you flip a switch? | it opens a circuit so electrons cant pass through.
🗑
|
||||
| What is an axle? | a shaft on whitch a wheel rotates.
🗑
|
||||
| true or false, a bearing is another word for a tire | false, a bearing is a surface that another surface rets on.
🗑
|
||||
| define a hub. | the hole or shaft through whitch an axle passes.
🗑
|
||||
| true or false, a tire is a hat. | false, a tire is a wheel that rolls.
🗑
|
||||
| what is friction? | friction is the force that slows down an object on contact.
🗑
|
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:
100000501688326
Popular Science sets