| Properties of Matter |
| #1 |
Flammability and combustibility are this type of property? |
chemical |
| #2 |
What physical property would be the best to use to tell the difference between powdered sugar and baking soda in your kitchen at home? |
taste |
| #3 |
If you poured a red liquid, blue liquid and green liquid into a glass and the blue liquid formed a layer on the top of the others, what could you say about its density? |
It had the lowest density |
| #4 |
Describe the shape and volume of a liquid. |
indefinite shape, definite volume |
| #5 |
Most metallic elements have these properties. |
high melting point, good electrical conductors, shiny luster |
| Physical and Chemical Changes |
| #1 |
This happens to the identity of matter during a chemical change. |
it changes |
| #2 |
Crumpling a piece of paper is a physical change because this physical property is the only thing that changes. |
shape |
| #3 |
Evidence of a chemical change includes these pieces of evidence. |
gas formation, temperature change, color change, precipitate formation, odor change |
| #4 |
Baking soda and vinegar combine and gas and water are produced. This is what type of change? |
chemical |
| #5 |
What is evidence that food digesting is a chemical change? |
color and odor change |
| Heat Transfer and Particle Motion |
| #1 |
How is the particle motion of a liquid different from the motion of a solid? |
Liquid particles are moving faster with enough space to slide past each other |
| #2 |
Which way does heat transfer between substances? |
from warmer to colder |
| #3 |
What happens to the energy of particles when a substance changes from a gas to a liquid? |
decreases |
| #4 |
What are the three ways that heat is transferred? |
conduction, convection, radiation |
| #5 |
What happens to the temperature of a substance when it goes through a phase/state change? |
stays the same |
| Elements, Compounds and Mixtures |
| #1 |
When electrons are transferred between atoms to form a bond, it is this type of bond that forms. |
ionic |
| #2 |
Covalent bonds form between these classes of elements. |
non-metal and non-metal |
| #3 |
Why noble gasses do not normally form bonds. |
They have 8 valence electrons or a full outer shell |
| #4 |
If 5 g of baking soda reacts with 20 g of vinegar, carbon dioxide, water and salt is produced. If there is 1 g of carbon dioxide produced, and 3 g of salt produced, how much water is produced? |
21 g |
| #5 |
Which of the following compounds are covalently bonded? CO2, NaCl, H2O, MgI |
CO2, H2O |
