Science

New Science Stars

IMG_0396Congratulations to our newest Science Stars! These Year Sixes have shown great team work skills and scientific knowledge. Well done you!

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Electricity is a wonderful thing #2

What have we been learning?

“We’ve been learning about circuits and how they work.” – Cayleigh

“How much electricity we use in our school and at home.” – Hashim

“We have learned how to create our own circuit.” – Bradley

“We’ve looked at different components which build circuits.” – Jack

“We now know the difference between a parallel and a series circuit.” – Lucyanne

“You could find a parallel circuit in your house.” – Vaclav

“You would find other parallel circuits in your school.” – Ellie

“A series circuit is when one light goes out, the rest of them go out.” – Ethan

What facts can we remember about electricity?

“Did you know that electricity can travel at 186,000 miles per second?” – Robbie

“Did you know lightening strikes have 3 million volts and happen in less than once second?” – Ellis

“After the show Coronation Street, there used to be a large surge of electricity when people went to make a cup of tea!” – TJ

“Electricity can be made using the wind, water and the sun.”- Zuzanna

“The speed of light is 186,282 miles per second.” – Declan

” If a bird sits on power lines, they don’t get electrocuted unless they touch another power line and make the circuit complete.” – Finley

“Did you know that flames can conduct electricity?” – Kasey

Today’s Task:

We’re going to be completing an investigation into electricity and circuits. We’ve discussed the difference between materials which are conductors (such as metals) or insulators (such as plastics).

Group Planning

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What could we change about our circuit?

Here are some of our ideas:

  • BATTERY – the size/number of volts
  • BULB – the size/number/type/colour
  • WIRES – the length/thickness/number/colour
  • CIRCUIT TYPE – parallel/series
  • MOTOR – the size/speed/number
  • BUZZER – the volume/number/sound/size/colour/frequency
  • SWITCH – with/without/type

What could we measure/observe?

We discussed what we could look at or measure during our experiment:

  • the brightness of the bulb
  • the voltage of the battery
  • the volume of the buzzer
  • the speed of the motor
  • the length of the wire
  • the time it takes from turning on the switch to the bulb lighting up
  • how many beeps per second from the buzzer?
  • the lifespan of the bulb
  • how many volts actually travel to the bulb?
  • how long before the wire stops working?
  • how many different components can you get into your circuit with just one battery?

We will change…

We will change the number of wires in our circuit (independent variable).

What we will measure…

We’ve been given the option to measure one of these three things:

  1. the brightness of the bulb
  2. the volume of the buzzer
  3. the speed of the motor

Miss Hall decided to observe the brightness of the bulb (dependent variable).

Our question is…

Some possible questions are:

  1. How does the number or wires affect the volume of the buzzer?
  2. How is the speed of the buzzer affected by the number of wires?
  3. What happens to the brightness of the bulb when you add more wires?
  4. Do more wires make the bulb brighter or do fewer wires make the bulb dimmer?

Miss Hall decided to go with Question #3 for her investigation.

To be continued after break…

We will keep these things the same…

It’s important to keep the rest of the elements of our circuit the same to make it a fair test.

Some things to keep the same are:

  • BATTERY – the size
  • CIRCUIT TYPE – parallel/series
  • the same BULB (if applicable)
  • the same MOTOR (if applicable)
  • the same BUZZER (if applicable)

THE ONLY COMPONENT WE ARE CHANGING IS THE NUMBER OF WIRES.

Predictions

Ellie thinks the brightness of the bulb won’t change because the volts from the battery are still the same.

However, Finley thinks the bulb will become dimmer because the electricity has further to travel and is stretched over a longer distance.

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Electricity is a wonderful thing #1

What is electricity? Why is it important? How was it invented? How is it made?

These are just a few questions that Year Six are investigating in their science work today. Did you know that electricity can be measured in both volts and amps? Some people already know a lot about electricity; others have quite a bit to learn.

Task #1: ‘Sticky Fingers’

Our first task of the day was to take part in a ‘Sticky Fingers’ activity. We had to read different facts all about electricity, which were positioned throughout our classrooms. Then, we had to learn our favourite fact and pass that fact on to out ‘sticky finger’ partner.

Task #2: Circuits & Symbols

Secondly, we were each given a pack with different photos, descriptions and symbols of components that are found in a basic electrical circuit. Our job was to match each symbol with correct picture and description. Sound easy? It’s not! Frustratingly, many of the symbols are so similar that it was difficult to tell which symbol belonged to which circuit component.

Task #3: Circuit Challenge

The final task of the day was to collect a challenge card and build the circuit described on the card. Some circuits included bulbs and the aim was to create light; others had buzzers or motors which needed to be switched on. We had lots of fun experimenting with different size batteries and different amounts of wires etc…

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Year Six can’t wait for the next Science Day!

 

 

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Science Stars

Congratulations to our amazing Science Stars from today’s Science session. They’ve been working really hard and making some great scientific discoveries!

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Light Experiment Day

Year Six are having a fantastic day taking part in lots of science experiments all about… light!

“I loved this lesson. Science is one of my favourite subjects. I learnt that a transparent coloured object (a blue bottle) will make a blue shadow!” Blake – Y6 Quartz.

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“We had to do an experiment about light today and I worked with Louie. We had to predict whether the distance between the light and the object had an impact on the size of the shadow created. We predicted that the shadow would become larger, the closer to the object the light source became… And we were right!” – Red, Year Six Opal.

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Scientists of the Day!

Congratulations to our newest ‘Scientists of the Day’!

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Here’s what we’ve been up to in Science today…

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Scientist of the Day

Congratulations to our first ever Scientist of the Day! She has shown excellent enthusiasm, concentration and interest during her science work today – well done!

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It’s Time for Science!

Light, light, light! Did you know that the Sun, fires and lamps are all sources of light? Mirrors and other objects reflect light. They do not make their own light.

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Year Six have started a new topic today – Light!

Over the next two days, we’re going to learn all about: sources of light; how we see; how light travels and complete a series of ‘light’ experiments.

First, we discussed what we already know about light and what we’d like to learn. Here we are filling in our tables:

Then, we walked around the classroom and corridor, reading all the light facts that we could see. Afterwards, we had a go at ‘Sticky Fingers’ and shared all the facts we’d learned.

Once we’d shared our facts, we took part in a quick quiz all about light. We’ll have another go at the end of this topic, to see how much we’ve learned.

Now it was time to complete some experiments. Some people were researching light in text books from the library; others were experimenting with light, mirrors, torches and shadows.

Later on, we came back together to watch a quick video about how light travels in a straight line and completed some diagrams which showed how we see light. The light travels from the source, then reflects off the object and into the person’s eyes so they can see the object.

Once we’d completed that task, we started to learn about the human eye and how the eye functions. We learned all about the different parts of the eye and Mr Sieczkarek came in and taught us how the eye allows us to see!

 

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Electricity Experiment

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Electricity Investigations

Currently, our science topic is electricity. We’ve learned lots of facts about electricity today such as who invented the lightbulb and how electricity can be made.

Interesting, fun, technical – we’ve been creating our own series and parallel circuits using some of the school’s science equipment. Some of us completed out challenge really quickly; others found creating a successful circuit more difficult – perhaps our batteries were dead or our bulbs blown?

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