- Sugar is a kind of pure substance
- Water is a kind of substance
- Lemon juice is a kind of substance
- So, water, lemon juice, sugar are three substances

- Water, lemon juice, sugar are three substances
- Lemonade is made of water, lemon juice, and sugar
- So, lemonade is made of at least three substances

- Lemonade is made of at least three substances
- An mixture is formed by two or more substances combined together physically
- Hence, lemonade is a kind of mixture

Hence, lemonade is a kind of mixture
Mark wants to make lemonade for his friends. He uses water, lemon juice, and sugar. Which of these best describes the lemonade?
- Sugar is a kind of pure substance 
- Water is a kind of substance 
- Lemonade is made of water, lemon juice, and sugar 
- Lemon juice is a kind of substance 
- An mixture is formed by two or more substances combined together physically