Float ,sink, mix

1. Descriptive words for objects that doesn't sink.

• Float

• Density

• Molecule

2. An object floats or sinks in water depends on it .

• Density

• Molecule

• Solid

3. Objects such as balloon and feather float in water because they are heavier than water.

• True

• False

4. Metal is more dense than plastic.

• True

• False

5. All things in this world are made up of tiny particles called _________.

• Molecules

• Density

• Materials

6. Substances that dissolve in water.

• Soluble

• Insoluble

• Solution

7. Aquatic animals breathe in ____________ dissolved in water

• Carbon dioxide

• Oxygen

• Hydrogen

8. Is oil a soluble substance .?

• Yes

• No