Clues in a Cup: teacher key
Mixing and Reactions, grade 1 edition, written for 1st grade. Mixing can make a new thing. Bubbles are one clue, and oil and water show another.
Read the book. Print this page for the key.
Questions and answers
- What can bubbles of gas tell you?
- The cup is full
- The mix is hot
- Mixing made a new thing (answer)
- What is baking soda?
- A base (answer)
- An acid
- An oil
- What floats on top of water?
- Salt
- Vinegar
- Oil (answer)
- What happens to shaken oil and water after a short time?
- They get bigger
- They come apart (answer)
- They turn to salt
- Which one mixes right in with water?
- Oil
- Both
- Salt (answer)
Words
- acid: like in vinegar
- base: like baking soda
- react: change together
- dissolves: mixes right in