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Tuesday, 11 April 2017

Which One Makes The Best Bubble?

Chewing gum experiment

You will be in groups of 3 students to test the which gum is the best for bubble, stretch and taste.

Aim: To see which bubble gum makes the best Bubbles, has the best elasticity and keeps its taste for the longest.

Hypothesis: I think that the Extra will make the largest bubble and have the longest stretch. The Extra will have the longest taste.

Equipment:
  • 3 different chewing gum brands
  • stop watch
  • ruler
  • graph to record detail.
Method:
  1. Place the first piece of chewing gum in your mouth and time how long it takes to keep its taste.
  2. Chew the gum and record this time on the chart.
  3. Using the same piece of gum blow a bubble. Record on the chart as 'no bubble', 'small', 'medium', 'large'.
  4. Test for elasticity. Keep all of the gum in your mouth and see how long you can stretch it. Measure it and record its length.
Findings:

Type of gum
Taste
Bubble size
Length
Hubba-bubba
4 minutes and 10 secondsMedium980mm
Extra
1 minute and 51 secondsSmall480mm
PK
1 Minute and 46 SecondsSmall300mm

Habba-Bubba Lasts for 4 minutes in your mouth, it is medium in bubble size and stretches out to 980mm.
Extra Last for 1 minute in your mouth , it is a small bubble size and stretches to 480mm.
Pk lasts for 1 minute, it is a small




Conclusion: Hubba Bubba is the best gum to buy!

Tuesday, 4 April 2017

Welcome To 2017


Image result for 2017

Hi everyone welcome back to my blog and the new year. I know this is a bit late but any ways keep coming back to my blog and also my Science blog! My favourite animal is a horse what is yours?
Oh and my favourite colour is of course blue! But there will be amazing things coming up on this blog and my Science blog! Post soon!


Science Blog-http://hhsaaleshat.blogspot.co.nz/

Bouncing Balls

 Bouncing Balls
Aim:
I want to find out if there is a relationship between how high a ball is dropped from and how high it bounces up.

Hypothesis:
I predict that the higher the ball is dropped from, the higher it bounces.

Method:
The equipment that I will need is:
  • Bouncy ball
  • Ruler
  • Stand with boss head and clamp


  1. Attach the clamp to the stand.
  2. Clamp the ruler onto the stand so that the zero mark is on the ground.
  3. Hold the bottom of the ball on 50cm and drop.
  4. Record the height of the bounce measuring the bottom of the ball.
  5. Repeat the experiment twice more and record the average measurement.
  6. Repeat the whole experiment using heights of 60cm, 70cm, 80cm, 90cm, 100cm
                                      
Variables:

Independent (changing) Variable = The height of the drop
Dependent (measured) Variable = The height of the bounce

    Results:
    Height of DropHeight of Bounce
    On Carpet
    Height Of Bounce on Concrete
    80cm35cm50cm
    90cm30cm62cm
    100cm46cm56cm
                                                                        The ball at 80cm on the carpet only bounced up to 35cm compared to 50cm on the concrete. The ball that got dropped at 90cm on the carpet only bounced up to 30cm until it bounced up to 62cm on the concrete! WOW! Last but not least is the ball that got dropped from 100cm so a whole huge ruler and on the carpet it bounced up to 46cm and on the concrete it bounced up to 56cm.




    Findings: I found out that the ball dropped at 90cm on the concrete bounced the highest on the concrete.

    Conclusion: Carpet is not as hard as concrete so that is why the ping pong balls bounced higher on the concrete.
    _________________________________________________________________Early Finish Activity

    Find the 10 fastest vehiclies in the world and why they are fast

    Image result for north american x-15  
    The North American X-15
    Max Speed: Mach 6.72
    (4,520 mph : 7,274 km/h)
    Country of Origin: U.S.A
    I think this is fast because it is looks like it has a great shape which means good engines. Also because it is a bit small.


    Image result for sr-71 blackbird
    SR-71 Blackbird
    Max Speed: Mach 3.3-3.5
    (2,200+mph, 3,540+ km/h)
    Country of Origin: U.S.A
    I think this is one of the fastest aircraft's is because look at those engines!Image result for maglev train
    Maglev Train.
    Country Of Origin: Japan

    To See More Fastest things click this link!-
    https://www.youtube.com/watch?v=ZDFpvmVdxLg