Y5 Autumn Block 1 TS6 Plan - water resistance.pptx

This slide is to plan water resistance using clay and measuring cylinder

1. Teacher guidance In the slide notes, you can discover extra teaching guidance. There are additional resources at the end of the slides to support with your teaching. Resources required for this small step tall measuring cylinder scales water modelling clay stopwatch ruler Safety notes  There are no safety implications in this step.

2. What is an anomalous result? 2) Which piece of equipment can be used to measure mass? 3) True or false? Using the brakes on a bike reduces the amount of friction. 4) What liquid softens food in the mouth? a result that does not fit the pattern saliva false – it increases the friction, slowing the bike down

3. Water resistance is a friction force on objects moving through water. water resistance

4. water resistance Which direction is water resistance acting on the dolphin when it is moving? water resistance What do you notice about the shape of the dolphin? It has a smooth, slim body with a rounded nose. The dolphin’s shape can be described as streamlined.

5. Having a streamlined shape reduces water resistance.

6. We are going to investigate whether the shape of an object affects the time it takes to fall through water. cylinder cube sphere Which shape do you predict will fall the quickest through water? Which shape is the most streamlined?

7. Does the shape of an object affect the time it takes to fall through water. What are the variables for our investigation? independent dependent controlled change measure keep the same shape of an object time it takes mass of each object volume of water height dropped from

8. How will the equipment be used in the investigation? stopwatch to measure time modelling clay to mould the shapes for the independent variable scales to measure the mass of each shape measuring cylinder to put water into and drop shapes into

9. We need to keep the volume of water the same in each measuring cylinder. Which type of variable is this? independent dependent controlled

10. Diddy has filled three measuring cylinders with water. What is the volume of each measuring cylinder? 150 ml 230 ml 190 ml

11. What are the variables in our investigation? independent changed dependent measured controlled same the shape of the object mass of each object time it takes for object to sink height objects dropped from

12. We need to keep the mass of the objects the same . Plan We are going to measure the time it takes for the objects to sink. Teddy Dexter Alex Sam We will change the shape of each object dropped into the water. ?

13. Have a go at questions # - #

14. The characters Annie Amir Alex Whitney Tommy Teddy Dexter Rosie Sam Max Mo Jo Kim Ron Jack Eva Tiny Diddy Eva