Matter 2019

If you have 15 grams of Baking Soda and 20 grams of Vinegar as products, what would you expect the mass of your reactants to be?

• 15 grams

• 20 grams

• 5 grams

• 35 grams

What happens to the number of atoms as it goes through a chemical reaction

• Doubles

• Changes

• Stays the same

Which is a physical change?

• burning match 
• vinegar in baking soda 
• melting butter
• cooking an egg

Is hammering wood together to build a house a chemical or physical change?

• chemical
• physical

Which of the following is NOT an example of chemical change?

• sour milk
• burning wood
• breaking a pencil
• rust

A process by which a gas changes to a liquid

• condensation
• evaporation
• boiling
• vaporization

Sugar can be separated from a homogeneous solution, such as apple juice by...

• Using a magnet

• Using a filter

• Evaporating the liquid

• Picking out the sugar

Heterogeneous mixture means...

• There is a solute and a solvent

• The mixture is a solution

• You can see the different parts of the mixture

• You can NOT separate the mixture

The two main types of mixtures are...

• Force and Motion

• Chex Mix and Trail Mix

• Suspension and Colloid

• Heterogeneous and Homogeneous

To separate some solutions, such as salt water, you must evaporate the water. To evaporate the water you have to...

• Boil the water

• Freeze the water

• Use a magnet

• Filter the water