What should flammable materials, such as alcohol, never be used near?
What is an open flame?
What is the scientific term for any living thing?
What is an organism?
Is water a polar or nonpolar molecule?
What is polar?
Which macromolecule provides quick energy and includes sugars and starches?
What are carbohydrates?
What type of molecule is amylase, which helps break down starch?
What is an enzyme?
What does CER stand for in science?
What is Claim, Evidence, Reasoning?
What is the basic unit of structure and function in all living things?
What is a cell?
What does hydrophobic mean?
What is repelling water or not mixing easily with water?
Which macromolecule is primarily responsible for long-term energy storage and makes up much of the cell membrane?
What are lipids?
What do enzymes lower to speed up chemical reactions?
What is activation energy?
What type of graph is best for showing changes in temperature over time?
What is a line graph?
A cow eats grass and uses its nutrients to build molecules and power its body. Which characteristic of life does this demonstrate?
What is obtaining and using energy?
What type of bond forms between neighboring water molecules because of their partial charges?
What is a hydrogen bond?
What are the monomers, or building blocks, of proteins?
What are amino acids?
What is the name of the specific location on an enzyme where a substrate binds?
What is the active site?
What is the purpose of evidence in a scientific explanation?
What is providing data or observations that support a claim?
What characteristic of life describes an organism reacting to changes in its environment?
What is response to stimuli?
What property of water allows certain insects to walk on the surface of a pond?
What is surface tension?
Which macromolecule stores and transmits genetic instructions for making proteins?
What are nucleic acids?
What happens when an enzyme becomes denatured because of extreme temperature or pH?
What is a change in the enzyme's shape that causes it to lose its ability to function properly?
A scientist records temperatures over 10 days. What belongs on the x-axis, and what belongs on the y-axis?
What are time (days) on the x-axis and temperature (°C) on the y-axis?
What is homeostasis, and why is it important for living organisms?
What is maintaining stable internal conditions so an organism can survive and function properly?
What property of water helps water travel upward from a plant's roots to its leaves?
What is capillary action?
What are the three components of a nucleotide?
What are a five-carbon sugar, a phosphate group, and a nitrogenous base?
In the reaction:
hydrogen peroxide → water + oxygen
Which substance is the reactant, and which substances are the products?
What is hydrogen peroxide as the reactant and water and oxygen as the products?