Name: ______Period:______Due Date______Page # :______
Guided Reading Chapter 10 Section 1 and 2
1. What is Brownian motion? How does it provide evidence that matter is made of atoms and molecules?
2. ______is anything that has mass and takes up space.
3. A(n) ______is the smallest bit of matter that is pure and can’t be broken down into any other smaller substance by physical or chemical means.
4. A(n) ______is the single smallest particle of an element that retains the chemical identity of that element.
5. A compound is a substance that contains ______or more different elements joined chemically, and has the same composition throughout.
6. Sketch the picture of an element, compound, and mixture at the bottom of page 230.
7. Using words and looking at the diagram from pg 230 describe how elements, compounds and mixtures are different from each other.
8. The three units used to measure temperature are ______, ______and ______(last one is found on pg 238).
9. ______is caused by the back and forth “jiggling” of molecules.
10. A ______is an instrument that measures the exact temperature.
11. Digital thermometers work by measuring a change in ______which changes with a change in temperature.
12. While there is no upper limit to temperature there is a lower limit called ______. It is the temperature at which molecules ______.
Vocabulary Chapter 10 Section 1 and 2
Be careful some terms are closely related to other terms.
Name: ______Period:______Due Date______Page # :______
· absolute zero
· atom
· Celsius
· compound
· element
· Fahrenheit
· heterogeneous mixture
· homogeneous mixture
· intermolecular forces
· Kelvin scale
· matter
· mixture
· molecule
· pure substance
· temperature
· thermal energy
· thermometer
Name: ______Period:______Due Date______Page # :______
1. ______is anything that has mass and takes up space.
2. A pure substance that cannot be broken down into simpler substances by physical or chemical means is a(n) ______.
3. The smallest particle of an element is a(n) ______.
4. A(n) ______is a substance that contains two or more elements that are chemically joined.
5. A(n) ______is a group of two or more atoms joined together by chemical bonds.
6. A(n) ______cannot be separated into other types of matter by physical means.
7. Matter that contains a combination of different elements and/or compounds and can be separated by physical means is called a(n) ______.
8. A(n) ______is a mixture that is the same throughout.
9. A(n) ______is a mixture that is not the same throughout.
10. ______is the measure of the average kinetic energy of the particles in matter
11. ______is a temperature scale in which water freezes at 32 degrees. This is used in everyday life.
12. ______is a scale in which water freezes at 0 degrees. This is used in science.
13. Energy due to temperature is called ______
14. You measure temperature with a(n) ______
15. The lowest possible temperature is called ______
16. The______is a temperature scale that starts with absolute zero.