English National Curriculum Science

4. Compare pressure in liquids and gases

Mission Objectives

Recall that pressure in liquids increases with depth

Calculate pressure

Explain how gases can exert pressure

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Keywords

Words and meanings to learn

Pascal

the unit of pressure, equivalent to a Newton per squared metre

compress

to squeeze together; make more compact

density

the degree of compactness of a substance

submerge

cause (something) to be under water

depth

the distance from the top or surface to the bottom of something

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Dr Shannon Weldon

Shannon started her journey with Developing Experts by completing PHD placement while studying for her Doctorate in Developmental Biology at the University of East Anglia. Shannon has since joined the team full-time as a Project Manager working with the company's industry partners. Shannon knows a lot about chickens!

Kate Richards

Kate’s journey as a science educator spans over 15 enriching years. Her passion for unravelling the complexities of the human body led her away from medicine (as she hates blood but loves medical t-shows) and into the world of teaching. She’s had the privilege of nurturing young minds in KS3 and KS4 science, guiding A-level Biology students, and even taught year 4 students in Spain, broadening her teaching horizons early in her career. Kate holds a Masters in Teaching (MTeach) and specialises in biology. Her research for her Master's degree focused on the profound impact of self-efficacy on classroom learning. Beyond the classroom, she finds solace in leisurely family walks and exploring new destinations through travel. She finds that the most rewarding aspect of teaching is witnessing those magical "light bulb moments" when students grasp the intricacies of science right before her eyes. 

Required Resources

Resources: 4 x 5ml syringes, 3mm plastic tubing and the handout. 

Handout: An experiment sheet for the students to compare the pressure and responsiveness of a gas and liquid system. 

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