1: Introduction to Matter
2: Physical & Chemical Properties
3: Physical & Chemical Changes
4: States of Matter
100
energy, heat, light, sound
What is not matter?
100
Properties that can be observed without changing the identity of a substance.
What is physical properties?
100
Plants growing
What is a chemical change?
100
Particles are close together
What is a solid?
200
A cube has the following dimensions: 6 cm, 5 cm, and 10 cm. It has a mass of 400 grams. What is the density of the block? (must include units)
What is 1.3 g/cm3
200
The ability to burn
What is flammability?
200
Carrots are cut into small pieces and mixed into a salad.
What is a physical change?
200
Definite volume
Not a definite shape
What is a liquid?
300
This property of matter changes when you travel to Venus.
What is weight?
300
Which of these pairs of properties would be most helpful in identifying the unknown compound?
A. color, mass
B. boiling point, volume
C. flammability, volume
D. melting point, reactivity with water
What is melting point, & reactivity with water? (D) Characteristic Properties
300
Sodium metal and chlorine gas are combined to form sodium chloride, or table salt.
What is a chemical change?
300
What happens to the attractive force during sublimation?
What is attractive force decreases?
400
The density of aluminum is 2.7 g/cm3. What is the volume of a piece of aluminum if its mass is 8.1 grams?
What is 3 cm3?
400
Properties that when observed or measured change into a new substance
What is chemical properties?
400
When paper is burned, the mass of the remaining ash is less than the mass of the original paper. What best explains this result?
What is the law of conservation of mass? What is the paper was transformed into gas?
400
What happens to the temperature of a substance as it changes states?
What is the temperature stays the same?
500
When a helium balloon rises in the air, it expands. If the volume of the balloon doubles, what happens to the density of the helium inside it?
What is the density decrease by half?
500
Stretching material into a thin wire
What is ductility?
500
Students grow over the summer
What is chemical change?
500
Freezing temperatures can destroy citrus crops. Citrus growers sometimes spray water on the fruit to protect it from freezing. How can spraying the trees with water protect the fruit?

a. The temperature of the water changes as it freezes.
B. The water releases energy to its surroundings as it freezes.
C. The water takes in energy from its surroundings as it freezes.
D. Ice coats the fruit, protecting it from cold air.
What is B?
M
e
n
u