Scientific & Scientific & Technological Technological UnderstandingUnderstanding

‘‘It builds on a natural It builds on a natural curiosity, curiosity,

inventiveness & inventiveness & wonder & helps them wonder & helps them to make sense of the to make sense of the world around them.’world around them.’

‘‘Children learn to frame & Children learn to frame & answer questions & solve answer questions & solve

problems using problems using experimental methods & experimental methods &

other practical other practical techniques.’techniques.’

Which nappy is most absorbent?Which nappy is most absorbent?

Which lipstick lasts the longest?Which lipstick lasts the longest?

Which plaster is most waterproofWhich plaster is most waterproof

Which paper towel is best for Which paper towel is best for mopping up spills?mopping up spills?

Which hand wash is best for Which hand wash is best for getting rid of germs?getting rid of germs?

Which nappy is most Which nappy is most absorbent?absorbent?

Planning the Planning the investigationinvestigation

How do we measure How do we measure the affect?the affect?

‘‘It took a day or two to really plan it It took a day or two to really plan it and we asked lots of questions and we asked lots of questions but they didn’t all tell us the but they didn’t all tell us the information we needed to know.’information we needed to know.’

‘‘We wanted to find outWe wanted to find out which nappy which nappy absorbed the most water. absorbed the most water. We We thoughtthought we should put the nappies we should put the nappies in the water and looked at the in the water and looked at the amount of water that was missing amount of water that was missing when we took them out. when we took them out. WeWe had a had a long debatelong debate about if we were doing about if we were doing the right thing to help us answer the right thing to help us answer our our questionquestion.’.’

‘‘They develop valuable skills, They develop valuable skills, such as generating & such as generating &

testing ideas, gathering & testing ideas, gathering & making sense of evidence, making sense of evidence,

developing possible developing possible solutions, & evaluating solutions, & evaluating

processes and outcomes.’processes and outcomes.’

‘‘They distinguish They distinguish evidence from opinion & evidence from opinion &

communicate their communicate their findings in a variety of findings in a variety of

ways.’ways.’

What did we find out?What did we find out?

Huggies was the most absorbent nappy Huggies was the most absorbent nappy because it had the most gel which we because it had the most gel which we think was good for absorbing the water. think was good for absorbing the water. Pampers had gel in it didn’t stick together. Pampers had gel in it didn’t stick together.

The more we wet the Huggies the better it The more we wet the Huggies the better it stick together so we think this meant that stick together so we think this meant that it reacted with the gel and kept it together it reacted with the gel and kept it together - away from the baby & stopped leaks, - away from the baby & stopped leaks, unlike Pampers which had gel but didn’t unlike Pampers which had gel but didn’t form a ball so it wasn’t absorbing as much form a ball so it wasn’t absorbing as much liquid as the other brands.liquid as the other brands.

The Tescos brand was more absorbent than The Tescos brand was more absorbent than the Pampers because it had cotton and gel the Pampers because it had cotton and gel which helped to keep the liquid together which helped to keep the liquid together because you could shape it into a ball – it because you could shape it into a ball – it stuck together and was more absorbent.stuck together and was more absorbent.

ImprovementsImprovements

-repeat measurements further -repeat measurements further

-wider variety of brands-wider variety of brands

-carried out more test & use the -carried out more test & use the information collected to inform information collected to inform our decisionsour decisions

CommunicatingCommunicating

Persuasive AdvertPersuasive Advert

‘‘As their understanding grows, As their understanding grows, children gain awareness of children gain awareness of the ways that learning in the ways that learning in

science inform other areas of science inform other areas of learning, including historical, learning, including historical,

geographical and social geographical and social understanding.’understanding.’

Historical ContextHistorical Context

Scurvy story – present problemScurvy story – present problem ExperimentExperiment How could the findings be used?How could the findings be used? Write a letter from scientists point Write a letter from scientists point

of view to captain of the ship with of view to captain of the ship with recommendations.recommendations.

Who should have the Who should have the vaccine 1vaccine 1stst? ?

WHY?WHY?

Ranking & JustifyingRanking & Justifying

Doctors because

they need to

treat people.

Elderly people because they

are weak.

Children

because they

are young and

weak.

Who should have the vaccine 1st?

Dentists because they deal

with saliva which is full of

germs.