3.A food scientist is experimenting with sugar crystals that will instantly dissolve in water. She adds the sugar crystals to water. In her experiment, what is the scientist attempting to do?

1.Lemonade is an example of ------------------ ?

2- A mixture contains salt, sand, water, iron filings, and marbles. Ernesto carries out the following investigation to separate the parts of the mixture:

1-Chicken noodles can be separated from the water using the ----------------------------

4.Dissolving sugar in water can be faster by -----------------------------

4. In a mixture of sand and iron filings , iron filings can be separated by filter paper.

1. Salt is a solvent in seawater.

3.Sugar powder can ------------------------ in water, but sand can’t.

2.Different materials placed together but keeping their own properties is called -------------------

2. In the mixture the materials change their properties.

3. Different materials in the mixture can’t be separated easily.