Objective 1: Measuring Matter
1. Why is mass more useful than weight for measuring matter? Mass is the same no matter where you are, but weight can vary based on gravity.
2. A plastic box is 15.3 cm long, 9.0 cm wide and 4.5 cm high. What is the volume? Include units. The volume is 619.65cm^3
3. What is the unit of measurement for density? It is g/cm^3
4. Please write the formula for finding density. D=m/v
5. What is the formula for finding volume? v=LWH
Objective 2: Changes in Matter
1. What is the main difference between a physical change and a chemical change? Physical change is just changing the state of matter, but the item is still the same. A chemical change is when the actual atoms are broken down or combined differently.
2. What are the four ways that chemical changes can occur? They are single displacement, double displacement, synthesis, and decomposition.
5. Please give an example of an exothermic reaction and an endothermic reaction. An exothermic reaction produces energy/heat. An endothermic reaction needs energy/heat.
Objective 3: Energy and Matter
1. What are some of the forms of energy related to changes in matter? They are kinetic,potential,chemical,electromagnetic,electrical,and transforming
2. A rolling bowling ball has ____________ energy. It would be kinetic.
3. A bowling ball sitting still has ____________ energy. It would be potential.
4. What is electromagnetic energy? It is the energy coming from light waves and radio waves.
5. What is the energy of electrons moving from one place to another? Please give an example. It would be electrical and an example would be lightning.
Objective 4: State Changes
1. How does the thermal energy of particles at a warmer temperature compare to the thermal energy of particles at a cooler temperature? The thermal energy increases at warmer temperature and decreases at cooler temperature.
2. Why does ice cream melt on a warm summer day? The kinetic energy increases.
3. What does the melting point of particles have to do with vibrating particles? The particles vibrate more when they reach the melting point.
4. When does condensation occur? After evaporation, when gases are cooling down they loose kinetic energy and condensation forms.
5. Sublimation results under which conditions? Sublimation is going straight from solid to gas with no liquid phase in between.
Objective 5: Boyle's Law (Click Here for More Info)
1. What relationship is described by Boyle's Law?
2. Why do scientists only HALF fill high-altitude balloons?
3. What is the formula for Boyle's Law?
4. How does Boyle's Law apply to physicians?
5. SCUBA divers rely on Boyle's Law for what purposes?
Objective 6: Charles' Law (Click Here for More Info)
1. What is Charles' Law? Charles' law, also known as the law of volumes, is an experimental gas law. It describes how gases tend to expand when heated.
2. As the temperature of a gas increases, the gas molecules move more ___quickly___.
3. Who was the first person to fly in a hydrogen balloon? His name was Acques Alexandre César Charles.
4. What happened to Charles' balloon after his first flight in 1783? After their success, the brothers went to Paris and built another larger balloon. On September 19, 1783, in Versailles, the Montgolfiers flew the first passengers in a basket suspended below a hot-air balloon—a sheep, a rooster, and a duck. The flight, which lasted eight minutes, took place in front of Louis XVI, Marie Antoinette, and the French court, as well as a crowd of about 130,000. The balloon flew nearly 2 miles (3.2 kilometers) before returning the occupants safely to earth.
5. What factor is kept unchanged when demonstrating Charles' Law? The conditions that are changed are volume and temperature. For Charles' Law to work, the other variables that affect gases must be kept constant.
1. Why is mass more useful than weight for measuring matter? Mass is the same no matter where you are, but weight can vary based on gravity.
2. A plastic box is 15.3 cm long, 9.0 cm wide and 4.5 cm high. What is the volume? Include units. The volume is 619.65cm^3
3. What is the unit of measurement for density? It is g/cm^3
4. Please write the formula for finding density. D=m/v
5. What is the formula for finding volume? v=LWH
Objective 2: Changes in Matter
1. What is the main difference between a physical change and a chemical change? Physical change is just changing the state of matter, but the item is still the same. A chemical change is when the actual atoms are broken down or combined differently.
2. What are the four ways that chemical changes can occur? They are single displacement, double displacement, synthesis, and decomposition.
3. What is the Law of Conservation of Mass? Who created the law? Antoine Lavoisier said that “mass is neither created nor destroyed in any ordinary chemical reaction.”
4. How are temperature and thermal energy different? Thermal energy is the total amount of kinetic energy and temperature is the average amount of kinetic energy.5. Please give an example of an exothermic reaction and an endothermic reaction. An exothermic reaction produces energy/heat. An endothermic reaction needs energy/heat.
Objective 3: Energy and Matter
1. What are some of the forms of energy related to changes in matter? They are kinetic,potential,chemical,electromagnetic,electrical,and transforming
2. A rolling bowling ball has ____________ energy. It would be kinetic.
3. A bowling ball sitting still has ____________ energy. It would be potential.
4. What is electromagnetic energy? It is the energy coming from light waves and radio waves.
5. What is the energy of electrons moving from one place to another? Please give an example. It would be electrical and an example would be lightning.
Objective 4: State Changes
1. How does the thermal energy of particles at a warmer temperature compare to the thermal energy of particles at a cooler temperature? The thermal energy increases at warmer temperature and decreases at cooler temperature.
2. Why does ice cream melt on a warm summer day? The kinetic energy increases.
3. What does the melting point of particles have to do with vibrating particles? The particles vibrate more when they reach the melting point.
4. When does condensation occur? After evaporation, when gases are cooling down they loose kinetic energy and condensation forms.
5. Sublimation results under which conditions? Sublimation is going straight from solid to gas with no liquid phase in between.
Objective 5: Boyle's Law (Click Here for More Info)
1. What relationship is described by Boyle's Law?
2. Why do scientists only HALF fill high-altitude balloons?
3. What is the formula for Boyle's Law?
4. How does Boyle's Law apply to physicians?
5. SCUBA divers rely on Boyle's Law for what purposes?
Objective 6: Charles' Law (Click Here for More Info)
1. What is Charles' Law? Charles' law, also known as the law of volumes, is an experimental gas law. It describes how gases tend to expand when heated.
2. As the temperature of a gas increases, the gas molecules move more ___quickly___.
3. Who was the first person to fly in a hydrogen balloon? His name was Acques Alexandre César Charles.
4. What happened to Charles' balloon after his first flight in 1783? After their success, the brothers went to Paris and built another larger balloon. On September 19, 1783, in Versailles, the Montgolfiers flew the first passengers in a basket suspended below a hot-air balloon—a sheep, a rooster, and a duck. The flight, which lasted eight minutes, took place in front of Louis XVI, Marie Antoinette, and the French court, as well as a crowd of about 130,000. The balloon flew nearly 2 miles (3.2 kilometers) before returning the occupants safely to earth.
5. What factor is kept unchanged when demonstrating Charles' Law? The conditions that are changed are volume and temperature. For Charles' Law to work, the other variables that affect gases must be kept constant.
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