Marbles in Motion
In our "Marbles in Motion" test, we decided that we could make a small "marble run" with the measuring tape. Pulling this tight made a marble rail on which we could see the distance of the spheric object. Here is the table:
Small Marble / Distance: 347 cm / height: 2 cm / Estimate: 100 cm / Stayed to the end
Ping Pong Ball / Distance: +347 cm / height: 3 cm / Estimate: 300 cm / Stayed to the end
Golf Ball / Distance: 147 cm / height: 3.5 cm / Estimate: 350 cm / Fell off
Giant Foam Ball / Distance: 170 cm / height: 7.5 cm / Estimate: +347 cm / Fell off
Tennis Ball / Distance: 50 cm / height: 5.4 / Estimate: 190 / Fell off
Medium Marble / Distance: 188 cm / height: 2 cm / Estimate: +347 / Fell off
Large Marble / Distance: 144 cm / height: 3 cm / Estimate: 100 / Fell off
Small Foam Ball / Distance: +347 cm / height: 1.5 cm / Estimate: +347 / Stayed to the end
Metal Marble / Distance: +347 cm / height: 1 cm / Estimate +347 / Stayed to the end
Sunday, May 22, 2011
Sunday, May 15, 2011
Rocky Reflection
Unit Question: How valuable is a rock?
The value of a rock depends on what rock it is. If its volcanic cinder, you could make some weird floating thing from it (it floats when still boiling hot) or if its obsidian, you could make a foot scrubby factory based on a single product.
Living near a volcano or fault line near the edge of a tectonic plate gives some Pro's and Con's. Some Pro's are that you have tons of fertilizer due to all the nutrients from volcanic ash and debris (if you live near a volcano) and the fact that it's (sometimes) comlpetely quiet due to loss of life tends to scare people unless you live near the Himalayas (GIANT fault line)
The uses of volcanoes help people a lot. Scientists got interested in volcanoes and due to the heat volcanoes are great geothermal spots. They also have nutrients so farmland is excellent there. The rocks that they give off helps us every day. Our toes would get all covered in dead skin if volcanoes weren't around. Obsidian is used to do just the job. Many more rocks help us to get through out everyday life.The more we learn about volcanoes and their uses, the more interesting they get. We are truly lucky to live on a planet like this.
The value of a rock depends on what rock it is. If its volcanic cinder, you could make some weird floating thing from it (it floats when still boiling hot) or if its obsidian, you could make a foot scrubby factory based on a single product.
Living near a volcano or fault line near the edge of a tectonic plate gives some Pro's and Con's. Some Pro's are that you have tons of fertilizer due to all the nutrients from volcanic ash and debris (if you live near a volcano) and the fact that it's (sometimes) comlpetely quiet due to loss of life tends to scare people unless you live near the Himalayas (GIANT fault line)
The uses of volcanoes help people a lot. Scientists got interested in volcanoes and due to the heat volcanoes are great geothermal spots. They also have nutrients so farmland is excellent there. The rocks that they give off helps us every day. Our toes would get all covered in dead skin if volcanoes weren't around. Obsidian is used to do just the job. Many more rocks help us to get through out everyday life.The more we learn about volcanoes and their uses, the more interesting they get. We are truly lucky to live on a planet like this.
What I Want to Know About Forces and Motion
- What will happen when the planets align COMPLETE
- Is it possible for a centrifuge to throw itself off it's axis?
- If so, what will be the consequence of it?
- Is it possible to make a centrifuge helicopter with centrifugal blades?
Science Lab Report On Foot To Fathoms
Foot to Fathoms Report
BY ALEX THOMAS WATTS
Guiding Question: What are some advantages of using the Metric measurement system over the old English system?
Hypothesis: It uses a specific length rather than an “unstable” one.
Steps:
1. Write down all the separate old English measurements (and the way you measure with it) in your notebook. These include fathoms (longest finger to longest finger with outstretched arms), Egyptian cubit (elbow to forefinger), “feet” (one foot), pace (walk with stretched legs), palm (horizontal palm) and span (thumb to pinkie)
2. Create a small chart with “Measuring Type”, “1”, “2”, “3”, “Average” and “Actual” in order and on the northern side with what you’re measuring on the western side. I measured a crayon box, a whiteboard, a hallway, a table and a Stonehenge book
3. Use the Old English system to measure the objects and then measure with a tape measure. Write your findings in your notebook. Also write down how long your Old English measurements were.
4. Write down your conclusion in your notebook, or in a book report.
Conclusion:
My hypothesis was correct. My O.E measurements were smaller than those of my group; therefore the measurements may vary in the world, so this method is “unstable”. The reason why we use the metric system today is because it’s the same no matter which ruler you take. If we still used fathoms today, we would certainly have a lot of problems. Our buildings would be wonky, the leaning tower of Pisa would be the fallen tower of rubble and some things would look a bit like the pictures in Dr Seuss.
My Table:
Measuring Type | 1 | 2 | 3 | Average | Actual | |
Crayon Box | Fingertip 1cm | 6 | 5 | 6 | 5.66 | 7cm |
Whiteboard | Fathom 160cm | 1.5 | 2 | 2 | 1.83 | 25cm |
PEEP | Palm 8cm | 2 | 2 | 2 | 2 | 13cm |
Hallway | Pace 146cm | 8 | 8 | 10 | 9 | 1010cm |
Table | Foot 22cm | 5 | 5 | 6.3 | 5.444333 | 137cm |
Stonehenge Book | Span 19cm | 2 | 2.5 | 2 | 32cm |
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