Mix It Up: teacher key

Mixing and Reactions, grade K edition, written for Pre-K and kindergarten. What happens when you mix things? Some things fizz, and some things go right in.

Read the book. Print this page for the key.

Questions and answers

1. What happens when you mix baking soda and vinegar?
   • Nothing
   • It fizzes (answer)
   • It gets cold
2. Which one goes right in with water?
   • Salt (answer)
   • A cake
   • Rust
3. What is fizz?
   • Rust
   • A cake
   • A gas in a bubble (answer)
4. What can make a cake rise?
   • Gas (answer)
   • Rust
   • Salt
5. Iron sits in air and water. What does it get?
   • Fizz
   • A cake
   • Rust (answer)

Words

• fizz: bubbly mix
• gas: air-like stuff
• rust: iron's red flakes