Stage 5 - Racing - Let's go!

Boat Race Photos

Stage 4 - Testing, Tweaking and adding detail.

• Test your boat and make any changes needed.

• Add paint, details and designs to your boat - remember to name them!

• Test and tweak unitl you are happy with your final product.

Stage 3 - Construction

• Review your design and materials list.

• Housekeeping - in your groups discuss the safety plan when working with the hit glue glue, craft knife, drill and other materials. Report back to class what you think we all need to do to keep us safe while we create our boats.

• Start collecting your materials and keep them all together. Find a box and name it so your materials don't get lost.

• Start your construction process. Remember to work together within your groups and be kind to each other when sharing resources like the glue guns or craft knives.

Good Luck!

Stage 2 DESIGN & TECHNOLOGY

• Reflect on the research and brainstorming your did last lesson.

• Is your design is innovative, functional and use appealing products that are fit for purpose?

• Generate, develop, a scale model with annotated sketches

• Finalise the list of tools and equipment to perform practical tasks [for example, cutting, shaping, joining and finishing], accurately

• What materials may you need to strengthen, stiffen and reinforce more complex structures

• Add you and your buddies name, the name of your project and a list of equipment needed here.

Stage 1 DESIGN & TECHNOLOGY

• Research and develop a design (this will be done in your Science Learning Books)

• Ensure your design is innovative, functional and use appealing products that are fit for purpose

• Generate, develop, model and communicate your ideas through discussion, labelled sketches and pattern pieces.

• Create a list of everyday materials you will need to build your prototype.

• Create a list of tools and equipment you will need to build your prototype. [for example, cutting, shaping, joining and finishing.

• Apply your understanding of how you will strengthen, stiffen and reinforce more complex structures to ensure your boat will float and move.

Watch the videos below to get some ideas. How can you level up these designs and personalise them, making your design your own.

Lessons 14 - The Great Boat Race

Let's get creative.

Using your Science and technology knowledge you are going to build a " boat”. You are going to explore the design of rubber band powered paddle boat. You can work with a buddy or individually to be “engineers” to design and build your own boat out of everyday items. You will test your boat, evaluate your results, make any improvements, re-test and present your final product to the class, sharing your process. You will have to document your process in your Science learning books.

Then it will be time for the BIG RACE!

Learning Intentions;

• Design and construct a boat using elastic potential energy

• Measure distance and calculate velocity (Velocity is equivalent to a specification of an object's speed and direction of motion)

• Test and refine your designs

• Communicate your design process and results

• Race your boat

Who can tell me what Newton's law of motion this applies to?

What we did...

Once we created our cotton ball launcher we tested it to get base line data of the distance it travelled, then we tweaked our designs and tested again. This process was repeated several times and each time in most cases the cotton ball travelled further.

What happened...

As you drew back on the pencil with the cotton ball loaded, you added potential energy to the system. ... As you pulled back farther on your launcher, more potential energy was added to the system. The more potential energy you stored, the more kinetic energy should have been released when you shot the cotton ball.

Lesson 9 - Welcome to Term 3!

Egg Drop Challenge with Miss Mcdonald.

Click on the Gslide below to learn all about the Egg Drop Inertia Challenge.

Lesson 8

Cold Balloon Test #3

From our last observation came lots of wonderings, can we create a bigger reaction by using a bigger bottle, more vinegar and baking soda.

The last observation caused the balloon to fill up with liquid then split the balloon where it joined onto the bottle.

Now let's try again! A bigger bottle, a bigger balloon... I wonder what will happen?

Stone stacking is a meditative artistic skill which can be produced anywhere, with a growing global movement. Stone stacking utilises the materials found in nature and balancing uses nothing more than the natural gravitational pull of the Earth. Other names for this practice are Rock Balancing, Cairn building, Rock Stacking and more.

How do you do it?

Stones are placed one on top of the other to produce sculptures which are held together by nothing other than gravity. More experienced practitioners of stone stacking are also famous for building archways and other interdependent structures from rocks and stones found in nature.

Lesson 6

Blog post check - have you updated your blog post?

Cold Balloon test #2

From our observation last week came lots of wonderings, can we create a bigger reaction by using a bigger bottle, more vinegar and baking soda. Well let's find out!

What happened...

The balloon was too small to fit over the larger bottle and kept ripping. On the second attempt it help with a small spilt. The reaction was so powerful it began to fill the balloon with liquid. This made the balloon tip, the reaction continued spewing out of the top of the bottle with quite considerable force. The liquid that spilled onto the concrete felt cold to the touch. This was the endothermic reaction.

What next...

We decided we need to do another test, this time finding a tall but narrow bottle and a bigger balloon. Watch this space.

Lesson 5

Before we begin, did you get your reflections and Blog posts up to date?

Remember to link your Blog post!

Science Observation # 5 - Have you ever heard of Newton's Laws of Motion?

Let's watch the Youtube clips to find out more. . .

Discuss with a buddy what you have learned about Newton's Laws of Motion.

Today we are focussing on the third law - 'for every action there is an equal or opposite reaction'

Science Observation # 4 - What do you think is a endothermic reaction?

Discuss with a buddy, share ideas with class.

Science Observation #3 - Molecules - Fatty acids, soap & minerals

Have you heard the words hydrophobic or hydrophilic before?

• Discuss your thoughts with your science buddy group.

• Share with another group.

Are there any clues in the name that might help you 'guess' what they mean?

What happened... Milk is mostly water, but it also contains vitamins, minerals, proteins, and tiny droplets of fat suspended in solution. Fats and proteins are sensitive to changes in the surrounding solution (the milk).

The secret of the bursting colors is in the chemistry of that tiny drop of soap. Like other oils, milk fat is a non-polar molecule and that means it doesn’t dissolve in water. When soap is mixed in, however, the non-polar (hydrophobic) portion of micelles (molecular soap structures in solution) break up and collect the non-polar fat molecules. Then the polar surface of the micelle (hydrophilic) connects to a polar water molecule with the fat held inside the soap micelle. Thanks to the soap connection, literally, the non-polar fat can then be carried by the polar water. This is when the fun begins.

The molecules of fat bend, roll, twist, and contort in all directions as the soap molecules race around to join up with the fat molecules. During all of this fat molecule gymnastics, the food coloring molecules are bumped and shoved everywhere, providing an easy way to observe all the invisible activity. As the soap becomes evenly mixed with the milk, the action slows down and eventually stops. This is why milk with a higher fat content produces a better explosion of color—there’s just more fat to combine with all of those soap molecules.

Lesson 3 - Brain Science with Mrs Crane

Scientists have discovered that learning is about creating and strengthening neural pathways in the brain that allow information to transfer between brain cells. Click here to learn more.

What Happened... oil stays above the water because the oil is lighter than the water or, more specifically, less dense than water. The oil and water do not mix because of something called “intermolecular polarity.” Molecular polarity basically means that water molecules are attracted to other water molecules. They get along fine, and can loosely bond together (drops.) This is similar to magnets that are attracted to each other. Oil molecules are attracted to other oil molecules, they get along fine as well. But the structures of the two molecules do not allow them to bond together.

When you added the tablet (Aspro Clear) piece, it sank to the bottom and started dissolving and creating a gas (carbon dioxide) . As the gas bubbles rose, they took some of the colored water with them. When the blob of water reached the top, the gas escaped and down went the water.

Lesson 1: What is Science?

Brainstorm what you think a scientist is? What do they do? What do you know about science?

Record your ideas using pictures and keywords.

In groups discuss your ideas. Are your thoughts similar or different?

What is the difference between Science and Technology? What kind of inquiry would you interested in exploring?

Share your ideas with others?

Click on the buttons below to explore the 2020 science elective groups mahi!