The independent variable is something that is changed to make a base experiment so you can compare them.
The dependent variable is how you measure the effects of your experiment. E.g. Time, amount of something, etc.
The control is something that is left unchanged to record the information. E.g. Photo, room temperature, etc.
But I couldn’t find the egg! I looked everywhere, but I still couldn’t find it! I crawled through the long grass, parting the blades and peered through the undergrowth. I looked desperately for an oval-shaped, dull grey object. I saw it fall into the long grass from the tree and now I’m trying to find it. Then I saw it. It was lying open on the grass, its sticky centre spread over the ground, glowing a brilliant yellow colour. I fell to the ground in despair, knowing that I had failed my mission, and failed the bird in the egg.
The process of rusting is when H2O meets metal. When metal, hydrogen and oxygen react together, a chemical reaction happens and it then forms something called rust. When iron and oxygen meet, they form iron oxide. When the rusting process happens, the metal becomes weak because their bonds are broken by the reaction. You can tell when rust forms on metals because it is a reddish-brown colour and can be broken easily. Some metals will rust after time and some will take longer than others. There are ways to prevent rust, like covering the metal in something protective, like paint.
Corrosion: The process of corroding.
Impervious: Cannot be damaged or affected by.
Permeable: Allowing gases and liquids to get through.
Oxidation: The process of being oxidized.
Galvanizing: Coating iron or steel with zinc.
The suffragette’s protesting was about voting.
Jim’s treacherous cat was asleep.
Maxwell’s house was trespasser free.
Sarah’s brother was galvanizing their letterbox.
Will’s sister was checking for corrosion on her car.
But that’s what happens in Brazil when I’m about to play. Their whole country is cheering for them when they come on, because they know the same thing I do. We were going to lose. Then I wake up. I rush to the TV, to see if the dream was true. It was. We had lost. The Brazilians were celebrating. I was so disappointed. I was so sure we would win. But I guess the dream I had was real. What if all the dreams I had were real? The next night I wake up from a dream about winning.
Question 24: Each letter represents a different digit from 0 to 9. If E=5, what number does SPEED stand for?
Predict: I thought this would be about addition.
Clarify: I had nothing to clarify.
Find the big picture: What number does SPEED stand. for
Solve: Firstly I guessed that D would be 4, so then that would be 12, and S would be 2.
Then I worked out that if E=5, then 5+5+5+1 would be 16, so L would be 6.
Next I did the same thing with the next column, carried the one, and then went to the next.
Then I guessed that P was 3, so 3+3+3 is 9 plus 1 is 10, so I is 0 and then I carried the one.
Finally, I new that S had to be 2, so 2+2+2 is 6 plus 1 is 7, so K=7
So SPEED is 23554.
Summary: I used the guess, check and improve strategy.
Recycling: Re-using old products to produce new ones.
Comprehension: To be able to understand something.
Cooperative: Doing something together well to achieve a goal.
Molecular: Relating to or consisting of molecules.
Desalination: Any process that removes salt or minerals to make fresh water.
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Everyone lived a quiet, peaceful life in Tinytown. Nothing much happened apart from the occasional mouse. But this day was different. While people walked through the busy streets, a large egg-like projectile smashed into the ground, sending its gooey centre all over the side walk and onto passing citizens. Soon, workers were on the scene, cleaning up the mess it made. Soon after that police were there trying to put together the puzzle of where it came and what it was. The goo was dangerous was all they could work out. A day after, another large egg fell, and another…
Chromatography: A way of separating two dissolved substances with different colours.
Filtration: A way of separating solids from a liquid by putting it through a filter.
Distillation: A way of separating a liquid from a solution, like salt from water. The water gets heated up the cooled downs in another place, leaving the salt behind. It works because things have different boiling points.
Evaporation: Good for separating a soluble solid from a liquid by evaporation a liquid (heating it up).
Hydrochloric: An acid that is colourless and is a mix of hydrogen chloride in water.
He used distillation.
He hurriedly used distillation.
He hurriedly and absentmindedly used distillation.
He hurriedly and absentmindedly used distillation in his experiment.
He hurriedly and absentmindedly used distillation in his experiment of all times.
Bob liked evaporation.
Bob really liked evaporation.
Bob really liked and enjoyed evaporation.
Bob really liked and enjoyed watching evaporation.
Bob really liked and enjoyed watching evaporation happen.
Question 22: A single digit number belongs in each circle, and it must equal the difference between the two numbers it sits on. What is the largest number that can go into the shaded circle?
Predict: I though this would be about addition and subtraction.
Clarify: I had nothing to clarify.
Find the big picture: What is the biggest number that can go into the shaded circle?
Solve: First I found the difference between 1 and 0 and that was 1.
Then I found the difference between 0 and 6 and that was 6.
Next I found the difference between 1 and 6 and that was 5.
Then I found the biggest difference between 6 and something and that was 6, so I put a 0 in the bottom row.
Then I found the difference between 6 and 6 and that was 0.
Finally I found the difference between 5 and 0 and that was 5.
So 5 is the biggest number that can go into the shaded box.
Summary: I used the guess, check and improve strategy