Update app.py

app.py

@@ -1,49 +1,77 @@
-# app.py
-import streamlit as st
-
-def get_melting_boiling_points(matter_type):
-    data = {
-        "solids": {
-            "examples": "Iron, Gold, Ice",
-            "melting_point": "Typically high (e.g., Iron: 1538°C)",
-            "boiling_point": "Typically very high (e.g., Iron: 2862°C)"
-        },
-        "liquids": {
-            "examples": "Water, Mercury, Ethanol",
-            "melting_point": "Typically low (e.g., Water: 0°C)",
-            "boiling_point": "Moderate (e.g., Water: 100°C)"
-        },
-        "gases": {
-            "examples": "Oxygen, Nitrogen, Helium",
-            "melting_point": "Very low (e.g., Oxygen: -218.8°C)",
-            "boiling_point": "Very low (e.g., Oxygen: -183°C)"
-        },
-        "plasma": {
-            "examples": "Ionized gases (e.g., in stars or lightning)",
-            "melting_point": "Not applicable",
-            "boiling_point": "Not applicable"
-        }
-    }
-    return data.get(matter_type.lower(), None)
-
-# Streamlit app
-st.title("Matter Properties Explorer")
-st.write("This app provides the melting and boiling points of various types of matter: solids, liquids, gases, and plasma.")
-
-# Dropdown to select matter type
-matter_type = st.selectbox(
-    "Select the type of matter:",
-    ("Solids", "Liquids", "Gases", "Plasma")
-)
-
-# Fetch and display information
-if matter_type:
-    properties = get_melting_boiling_points(matter_type)
-    if properties:
-        st.subheader(f"Properties of {matter_type}")
-        st.write(f"**Examples:** {properties['examples']}")
-        st.write(f"**Melting Point:** {properties['melting_point']}")
-        st.write(f"**Boiling Point:** {properties['boiling_point']}")
-    else:
-        st.error("Information not available for the selected matter type.")
+    import streamlit as st
+
+# App title and introduction
+st.title("Understanding Melting and Boiling Points of Matter")
+st.subheader("Learn about the fundamental properties of matter!")
+
+st.markdown("""
+Matter exists in different states: **solids**, **liquids**, **gases**, and **plasma**. 
+Each state has unique properties influenced by temperature and pressure. 
+In this app, we explore the **melting points** and **boiling points** of various substances and states of matter.
+""")
+
+# Sidebar for navigation
+st.sidebar.title("Navigation")
+option = st.sidebar.radio("Choose a category", ("Introduction", "Solids", "Liquids", "Gases", "Plasma"))
+
+if option == "Introduction":
+    st.header("Introduction to Melting and Boiling Points")
+    st.write("""
+    - **Melting Point**: The temperature at which a solid turns into a liquid.
+    - **Boiling Point**: The temperature at which a liquid turns into a gas.
+    
+    These points depend on intermolecular forces, pressure, and the type of matter.
+    """)
+
+    st.info("Fun Fact: The boiling point of water is 100°C at sea level but decreases at higher altitudes due to lower atmospheric pressure!")
+
+elif option == "Solids":
+    st.header("Melting and Boiling Points of Solids")
+    st.write("""
+    Solids have strong intermolecular forces, resulting in high melting and boiling points. Examples include:
+    - **Iron**: Melting Point = 1,538°C, Boiling Point = 2,862°C
+    - **Gold**: Melting Point = 1,064°C, Boiling Point = 2,700°C
+    - **Ice (H₂O)**: Melting Point = 0°C, Boiling Point = 100°C (when melted to water)
+    """)
+
+    st.image("https://upload.wikimedia.org/wikipedia/commons/3/38/Crystalline_Structure.jpg", caption="Crystalline Structure of Solids", use_column_width=True)
+
+elif option == "Liquids":
+    st.header("Melting and Boiling Points of Liquids")
+    st.write("""
+    Liquids have moderate intermolecular forces, leading to relatively lower boiling points compared to solids. Examples include:
+    - **Water**: Boiling Point = 100°C
+    - **Mercury**: Boiling Point = 356.7°C
+    - **Ethanol**: Boiling Point = 78.37°C
+    """)
+
+    st.image("https://upload.wikimedia.org/wikipedia/commons/d/d4/Surface_Tension.jpg", caption="Surface Tension in Liquids", use_column_width=True)
+
+elif option == "Gases":
+    st.header("Boiling Points of Gases")
+    st.write("""
+    Gases have very weak intermolecular forces. Examples include:
+    - **Oxygen (O₂)**: Boiling Point = -183°C
+    - **Nitrogen (N₂)**: Boiling Point = -196°C
+    - **Helium (He)**: Boiling Point = -268.9°C
+    """)
+
+    st.image("https://upload.wikimedia.org/wikipedia/commons/3/31/Helium-filled_balloon.jpg", caption="Helium Balloon", use_column_width=True)
+
+elif option == "Plasma":
+    st.header("Understanding Plasma")
+    st.write("""
+    Plasma is a state of matter where gases are ionized, creating free electrons and ions. It doesn't have traditional melting or boiling points but exists at very high temperatures.
+
+    Examples:
+    - **Sun's Core**: Millions of degrees Celsius
+    - **Lightning**: Around 30,000°C
+    """)
+
+    st.image("https://upload.wikimedia.org/wikipedia/commons/a/a9/Plasma_globe_60th.jpg", caption="Plasma Globe", use_column_width=True)
+
+# Footer
+st.markdown("---")
+st.markdown("Developed with ❤️ using [Streamlit](https://streamlit.io/) and deployed on [Hugging Face](https://huggingface.co).")
+