Science Mind Challenges Easy Round

In Charles' Law, which of the following is constant?

• Volume

• Pressure

• Temperature

• Amount of gas

1. Which of these statements best describes Boyle's Law?
   

• 1. The pressure of a gas is inversely proportional to its temperature.

• 1. The volume of a gas is directly proportional to its temperature.
     

• 1. The volume of a gas is inversely proportional to its pressure.
     

• 1. The pressure of a gas is directly proportional to its volume.

1. Which of these following gas laws explains the graph on the left?

• Boyle's Law

• Charles' Law

• Ideal Gas Law

• Combined Gas Law

Which of these statements best compares Charles and Boyle's Law?

• 
  Charles' Law relates the pressure and volume of a gas, while Boyle's

  Law relates the volume and temperature of a gas.
  

• Charles' Law relates the volume and temperature of a gas, while

  Boyle's Law relates the pressure and volume of a gas.

• Both Charles' Law and Boyle's Law relate the pressure and volume of

  a gas, but in different ways.

• Both Charles' Law and Boyle's Law relate the volume and temperature

  of a gas, but in different ways.
  

Which of the following groups are classified as polysaccharide? A. glycogen, sucrose, and maltose

• sucrose, glucose, and fructose

• glycogen, sucrose, and maltose
  

• maltose, lactose, and fructose

• glycogen, cellulose, and starch
  

What class of biomolecule does Oleic Acid which roles include energy storage and insulation fall under?

• Carbohydrates

• Nucleic Acid

• Lipids

• Proteins

A special coating on the duck’s feather keeps them from getting wet. What biomolecule making up the keratin coating of the duck’s feather?

• Carbohydrate

• Lipid

• Protein

• Nucleic Acid

How can a chemical equation be balanced?

• Adding elements

• Adding coefficients

• Changing Subscripts

• Erasing elements

What are the reactants in this equation?

• Carbon dioxide and Oxygen

• Glucose and Carbon dioxide

• Carbon dioxide and water

• Glucose and Oxygen

Which of these statements distinguishes a balanced chemical equation?

• The equation shows the temperature and pressure conditions of the reaction.

• The reactants and products are listed in alphabetical order.

• The equation represents a reversible reaction.
  

• The number of atoms on both sides of the equation is equal.