Ch. 4.1-4.2 (Grade 7 Collins)

Which of the following is not a physical property?

• Boiling point

• mass

• flammability

• solubility

This is how easily something is dissolving in water.

• mass

• hardness

• solubility

• melting point

Water melts at 0 degrees and boils at 100 degrees. What form is it at 35 degrees?

• solid

• liquid

• gas

The water graph goes _____ as temperature increases.

Match the following

• solubility

• the ability of a substance to dissolve in another substance, such as sugar dissolving in water

• Physical properties

• Allows energy to pass through it easily

• relative density

• energy related to the temperature of an object or a substance

• thermal energy

• Properties of matter that can be observed, measured, or changed without changing the matter itself

• Conductor

• floating or sinking when compared to water

Sodium is a light gray metal that easily reacts with oxygen and water. Write 1 physical property

Sodium is a light gray metal that easily reacts with oxygen and water. What is its chemical property?

• color of the metal

• It is solid

• It reacts easily

• Can float in water

Which of the following is a chemical property?

• Does it sink or float?

• Hardness

• malleable

• Reactivity

Fruits are an example of what?

• Acid

• neutral

• alkali

Soaps are an example of what?

• Acid

• neutral

• alkali