Matter
100 Points: What is the basic definition of matter?
Answer: What is anything that has mass and takes up space?
100 Points: If an object has a density of 3 g/cm^3 and is placed in water with a density of 1 g/cm^3, what can be concluded about its buoyancy?
Answer: What is it will sink?
100 Points: What does the law of conservation of mass state during a chemical reaction?
Answer: What is matter is not created or destroyed?
100 Points: What formula is used to calculate work done when a force of 10 N is applied over a distance of 5 m?
Answer: What is Work = Force times Distance ?
100 Points: Would cooking scrambled eggs be an example of a chemical change or a physical change?
Answer: Chemical change
200 Points: Which physical property describing how heaving something is changes depending on the current planets gravitational strength?
Answer: What is weight?
200 Points: If Object A has a mass of 27 grams and a volume of 3 cm^3, what is its density?
Answer: What is 9 g/cm^3?
200 Points: Does baking bread or boiling water involve a chemical change?
Answer: What is baking bread?
200 Points: How much work is done when pushing a 12-kg cart with a force of 25 N over a distance of 6 m?
Answer: What is 150 N·m?
200 Points: What must be true for a chemical change to have occured?
Answer: There must be a new substance
300 Points: Which physical property describes the amount of matter in an object?
Answer: What is mass
300 Points: If Object B has a density of 0.8 g/cm^3, will it float or sink in water?
Answer: What is it will float?
300 Points: During digestion, what type of energy transformation occurs when food is converted into energy for bodily functions?
Answer: What is chemical energy transforming into kinetic energy?
300 Points: What is the power used if a force of 50 N is applied over a distance of 2 m in 4 seconds?
Answer: What is 25 W?
300 Points: What kind of change occurs during the rusting process of iron exposed to water and oxygen?
Answer: What is a chemical change?
400 Points: What type of change occurs when wood is chopped into smaller pieces?
Answer: What is a physical change?
400 Points: How does the boiling point of water change at an altitude of 10,000 feet compared to sea level?
Answer: What is it decreases?
400 Points: What does the melting of candle wax at a temperature of 60 degrees C illustrate about states of matter?
Answer: What is the transition from solid to liquid?
400 Points:What must be true for work to have been done?
Answer: a force must be applied in the direction of displacement and the object must move
400 Points: What is the chemical formula for sulfuric acid?
Answer: What is H₂SO₄?
500 Points: What method does an air purifier primarily use to clean the air?
Answer: What is filtration?
500 Points: What physical property describes the resistance of motor oil to flow, related to its particle attraction?
Answer: What is viscosity?
500 Points: What happens to the volume of a gas when its temperature increases from 20 degrees C to 80 degrees C while pressure remains constant?
Answer: What is the volume increases?
500 Points: What factors influence the kinetic energy of a moving bobsled team with a mass of 200 kg traveling at a speed of 10 m/s?
Answer: What are speed and mass?
500 Points: What statement summarizes the energy transformations that occur when wood burns, producing heat and light?
Answer: What is chemical energy transforming into thermal and electromagnetic energy?