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Keycap Digit One

Theme D - Continuity & Change

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Direct Hit

Theme A - Unity & diversity

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Page Facing Up

Theme B - Form & Function

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Pill

Theme C - Interaction &  Interdependence

Hey future Biologists! 🌿 Let&#39;s dive into the super awesome world of water movement, concentration, and OSMOSIS. Trust me, it&#39;s cooler than it sounds. 😎

<ul>
	<li>Water molecules are always moving. But they are so into each other (thanks to hydrogen bonds) that they don&#39;t drift away.</li>
	<li>These bonds break and form continuously as the molecules move around.</li>
</ul>

🌟 Fun Fact: Think of water molecules as a tightly-knit group of friends at a party&mdash;they dance around, but always come back together!

<ul>
	<li>When you add stuff like salt or sugar into water, they form strong attractions with water molecules.</li>
	<li>This makes the water more viscous (thicker).</li>
</ul>

🛠 Real-World Example: Ever try making lemonade? When you add sugar, it takes a while to stir and dissolve because of these attractions!

Osmosis is the net movement of water across a membrane due to attractions between solutes and water.

<ul>
	<li>Certain solutes like sodium, potassium, chloride ions, and glucose are &#39;osmotically active&#39;&mdash;they form attractions with water.</li>
</ul>

🐠 Real-World Example: Ever heard of fish tanks? Well, getting the salt concentration right is crucial for fish to survive. This is osmosis in action!

<ul>
	<li>
	Hypotonic Solution: Less concentration of active solutes. Water likes to move away from here.
	</li>
	<li>
	Hypertonic Solution: High concentration of active solutes. Water loves to move here.
	</li>
	<li>
	Isotonic Solutions: Equal concentrations of active solutes. Water just chills and moves back and forth without a net change. That&#39;s called dynamic equilibrium.
	</li>
</ul>

🍇 Real-World Example: Ever leave a grape in salty water? It shrivels because water moves to where there&#39;s more salt!

<ul>
	<li>
	Volume: Measured in cubic metres (m&sup3;) or decimetres (dm&sup3;). Liters (1L = 1dm&sup3;) are also used.
	</li>
	<li>
	Amount of Solute: Measured in moles.
	</li>
	<li>
	Concentration: Amount of solute per unit volume. For example, a 0.5molesdm⁻&sup3; sodium chloride solution has half a mole of NaCl in a liter.
	</li>
</ul>

🍹 Real-World Example: Think of concentration like the strength of your lemonade. More sugar? That&#39;s a higher concentration!

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And there you have it! Now you&#39;re a mini-expert on water movement, solutes, and the magic of osmosis. Keep studying, and stay hydrated! 💧📚

Theme D - Continuity & Change

Explore Osmosis Water’s Mystical Movement!

Table of content

Water Molecule Shenanigans 🌊

What Happens with Water Molecules?

Intermolecular Attractions 🧲

Solutes and Water - The Power Couple

Unlock the Full Content!

Theme D - Continuity & Change

Explore Osmosis Water’s Mystical Movement!

Table of content

Water Molecule Shenanigans 🌊

What Happens with Water Molecules?

Intermolecular Attractions 🧲

Solutes and Water - The Power Couple

Unlock the Full Content!