TEST 5/17 - Forces/Motion/Simple Machines
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| Acceleration | A change in speed or direction of an object's motion
🗑
|
||||
| Force | A push or pull
🗑
|
||||
| Friction | Force that resists motion, relative to each other, of objects that are touching
🗑
|
||||
| Speed | The change of position during a unit of time
🗑
|
||||
| Velocity | The speed and direction of an object
🗑
|
||||
| Simple Machine | A machine with few or no moving parts to make work easier
🗑
|
||||
| Wedge | Two inclined planes placed back to back
🗑
|
||||
| Fulcrum | The fixed point on a lever
🗑
|
||||
| Pulley | A wheel with a line around it
🗑
|
||||
| Lever | A bar that pivots on a fixed point
🗑
|
||||
| Screw | A post with threads wrapped around it
🗑
|
||||
| Inclined Plane | A slanted surface
🗑
|
||||
| What is the measurement of the force of gravity on an object? | Weight
🗑
|
||||
| Two friends exert a force on each other's hands and the hands don't move. Describe the forces | The forces are balanced
🗑
|
||||
| A heavy ball and a light ball are rolling at the same speed on the same surface. Why will the heavy ball be harder to stop? | It has greater momentum
🗑
|
||||
| What simple machine raises a flag on a flag pole? | Pulley
🗑
|
||||
| What other kind of simple machine do you need to make a wedge? | Inclined plane
🗑
|
||||
| What type of simple machine is a fishing rod? | Lever
🗑
|
||||
| Which part of a fishing rod is a fulcrum? | Your hand holding the rod
🗑
|
||||
| Which types of simple machines change the direction of a force? | Wedge, inclined plane, pulley
🗑
|
||||
| Screws have threads that are simple machines. What kind of machine are the threads on screws? | Inclined planes
🗑
|
||||
| If someone is pushing a box across the floor and someone else is pushing on the box with equal force, but in the opposite direction - what is the outcome? | The box stays in the same place
🗑
|
||||
| Which simple machines are also an inclined plane? | A screw, wedge
🗑
|
||||
| What simple machine opens draperies or blinds when you pull a cord? | Pulley
🗑
|
||||
| Which simple machine would you use to slice celery? | Wedge
🗑
|
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:
she4thgrade
Popular Science sets