Grade 7 Osmosis and Diffusion
Authored by K Thomas
Science
7th - 12th Grade
NGSS covered
Used 216+ times
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About
This quiz focuses on cellular transport mechanisms in biology, specifically covering osmosis and diffusion at the grade 7 level. Students need to understand that diffusion is the movement of particles from areas of high concentration to low concentration, while osmosis is specifically the movement of water across a selectively permeable membrane. The questions assess students' ability to distinguish between these two processes through real-world scenarios like perfume spreading through air, salt affecting cucumber cells, and water moving across cell membranes. Students must grasp the concept of concentration gradients, predict the direction of molecular movement, and understand how osmosis causes cells to shrink or swell based on water movement. The quiz requires students to apply these principles to everyday situations and interpret visual models showing molecular movement across membranes. Created by K Thomas, a Science teacher in Jamaica who teaches grades 7 and 12. This quiz effectively supports instruction by providing students with concrete examples that connect abstract cellular processes to familiar experiences like smelling neighbors' barbecue or watching vegetables plump up when watered. Teachers can use this quiz as a formative assessment tool to gauge student understanding before moving to more complex topics, or as review material to reinforce key concepts after initial instruction. The variety of question formats, from basic definitions to prediction scenarios, makes it suitable for homework assignments or warm-up activities that activate prior knowledge. The quiz aligns with NGSS standards MS-LS1-2, which requires students to develop and use models to describe how food molecules react to provide energy for body processes, and supports understanding of structure and function relationships at the cellular level.
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Student View
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The picture below is an example of _________________.
Tags
NGSS.MS-LS1-3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Osmosis is the movement of _____ across a membrane.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is DIFFUSION?
Tags
NGSS.MS-PS1-4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where is there a low concentration of dye?
Tags
NGSS.MS-PS1-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where is there a high concentration of barbeque smoke?
In the container
In the house
Two streets over
In the sky
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Is the image showing osmosis or diffusion?
diffusion
osmosis
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If salt is poured onto cucumber, what do you predict will happen?
Water will move out of the cucumber cells and the cells will shrink.
Water will move out of the cucumber cells and the cells will swell.
Water will move into the cucumber cells and the cells will swell.
Tags
NGSS.MS-PS1-2
NGSS.MS-LS1-5
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