WALT appreciate that science is a way of explaining the world.
WALT build an prior knowledge to carry out experiments and simple investigations.
WALT build an prior knowledge to carry out experiments and simple investigations.
This frame is a useful graphic organiser to remind you of the steps to be completed when carrying out an experiment.
Writing In Science: The Scientific Method
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Step One: Title
What is your experiment called?
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Ball Dropping
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Step Two: Problem
What is the question you would like to answer? Write the problem as a question.
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What will happen if you put a tennis ball on a basketball or a soccer ball and drop them at the same time?
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Step Three: Hypothesis
Before you carry out your experiment what do you THINK will happen?
Your hypothesis is written as an ‘if, then’ statement.
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I think that when the basketball hits the ground it will bounce off the ground and the tennis ball will bounce up off the basketball.
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Step Four: Experiment
Explain how you are going to set up your experiment. What you will actually be doing. This must be written in procedures that can be repeated by others.
Will there be Independent Variables? What is the Dependent Variable?
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First we are going to get a tennis ball, a basketball or a soccer ball. Then we are going to place one hand on the top of the tennis ball and place the other hand on the bottom of the basketball or the soccer ball. Then raise the ball up a meter then drop both of them.
There will be an independent variable if the wind blows the tennis ball and changes the place where it's supposed to land.
A Dependent variable is when you can choose to make something happen. One is when we could drop the ball because we can control where the ball gets dropped. We are also going to drop the ball from 0.5m 1m 1.5m and 2m high.
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Step Five: Materials
The things you need to complete the experiment.
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A basketball/soccer ball and a tennis ball.
a 1 meter ruler.
a piece of paper to show how many attempts in meters
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Step Six: Procedure
The steps you actually take to do the experiment.
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First we put a tennis ball on a soccer ball or a basketball and hold it 1m high. Then place hand on top and bottom and drop them.
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Step Seven: Recording the Data. Showing what happened during the experiment using tables or charts.
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#Step Eight: Analysis
Reviewing the graphed data or by using a graphic organiser like a Venn diagram.
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This data that we recorded we didn’t know what was going to happen. First we did a drop from 0.5m above the ground and it went really high. So when we finished doing the 4 tests we recorded this data in the tally chart at the bottom of this document.
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Step Nine: Conclusion
What do you now know having done the experiment.This must be written as a paragraph, with a topic sentence and supporting sentences. Did your results support your hypothesis or not? What would be the next question for investigation?
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The tennis ball went a lot higher on the 2m drop than the 0.5m drop. There was a 4 - 5m difference from the 0.5 drop to the 2m drop
What I thought was going to happen was exactly what happened
At the start of this experiment I had no idea what would 100% happen but this is what I hypothesised. Now I know that different heights leave different results. Also I know that different types of air pressure in the basketball makes the tennis ball go higher.
An interesting question is what would happen if we drop the basketball on the tennis ball instead of the way around we did it for this test.
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Observation
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Why
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0.5m
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The tennis ball went south west of the basketball
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It happened because of the way we dropped it
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1m
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The tennis ball went south and about 1 - 2.5m high
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It went south because of the placement of the tennis ball on the basketball
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1.5m
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The tennis ball went about 2.5 - 3.5m high and went in between north and north west
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It went about 2.5m - 3.5m because of the force of the basketball when it bounced
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2m
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The tennis ball went north and went about 5 - 6 m high
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It went 5 - 6m high because of the height we dropped it from
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