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Lesson 46 of 84 ยท Chemical Reactions

Lesson

Acids and Bases (Part 2)

What You'll Learn

Acids have a pH below 7 and taste sour, while bases have a pH above 7 and feel slippery. A pH of 7 is neutral, like pure water.

Key Words

  • isotope
  • chemical bond
  • molecular formula

Steps

Step 1 โ€” Read

Read and learn: Acids have a pH below 7 and taste sour, while bases have a pH above 7 and feel slippery. A pH of 7 is neutral, like pure water.

Step 2 โ€” Do

Build your model using the materials provided.

Step 3 โ€” Observe

Look for patterns in your observations.

Step 4 โ€” Record

Make a graph or chart showing your results.

Check Your Understanding

Question 1

1 of 3

What happens to water when it freezes?

Acids and Bases (Part 2) โ€” Chemical Reactions | 7th Grade Science | LittleActivity | LittleActivity