Atoms & Properties of Matter
This law explains why mass stays constant during a chemical reaction.
What is the Law of Conservation of Mass?
Sodium chloride is classified as what type of substance?
What is a compound?
Burning wood supports which scientific law?
What is the Law of Conservation of Mass?
Which statement is part of the cell theory?
What is all organisms are made of one or more cells?
What is the lowest level of organization in the human body?
What is the cell?
Two liquids form layers in a container. Which one floats on top?
What is the less dense liquid?
Why can elements form many different compounds?
What is atoms can combine in different ratios?
Which change is a chemical change: ice melting or a wick burning?
What is a wick burning?
Which organelle uses light energy to make sugar?
What is the chloroplast?
Which systems work together to deliver oxygen to cells?
What are the respiratory and circulatory systems?
Which particle has a negative charge?
What is an electron?
Which household substance is a base?
What is bleach?
How does temperature affect chemical reactions?
What is higher temperatures increase reaction rate?
Which structure is found only in plant cells?
What is the cell wall?
During exercise, which system increases blood flow?
What is the circulatory system?
What happens to freezing point when salt is added to water?
What is the freezing point decreases?
Salt dissolved in water is best described as what?
What is a solution?
In a rusting experiment, what is the dependent variable?
What is the amount of rust formed?
What is homeostasis?
What is internal balance?
How do parasites differ from viruses?
What is parasites feed on hosts, viruses use host cells?
Why do elements in the same group behave similarly?
What are similar chemical properties?
What distinguishes compounds from mixtures?
What is a solution?
Why use a control group in an experiment?
What is to compare results?
Which organelle holds DNA?
What is the nucleus?
Why are bacteria beneficial?
What is they help digestion?