Germs and Theories
What is the germ theory of disease?
Answer: The idea that microorganisms cause disease.
What is the goal of basic science?
Answer: To understand how things work and increase human knowledge.
Who invented the first compound microscope?
Zacharias Janssen and his son Hans.
Name one thing all living organisms need to carry out life processes.
Answer: Energy.
Who invented the two-part naming system for organisms?
Answer: Carl Linnaeus.
What is a hypothesis?
Answer: A proposed explanation that tries to explain an observation.
What is the goal of applied science?
Answer: To solve practical problems using scientific knowledge.
Who first discovered and named “cells” when looking at cork?
Answer: Robert Hooke.
What is the smallest unit of life?
Answer: The cell.
What is the two-part scientific name of an organism called?
Answer: Binomial nomenclature.
What is the difference between a scientific law and a scientific theory?
Answer: A law describes what always happens; a theory explains why it happens.
A scientist studies how glucose turns into energy. Is this basic or applied science?
Who is called the “father of microscopy” and discovered bacteria?
Answer: Antonie van Leeuwenhoek.
What is the ability of organisms to maintain a stable internal environment called?
Answer: Homeostasis.
What are the three domains of life?
Answer: Bacteria, Archaea, and Eukarya.
Give an example of scientific evidence.
Answer: An apple falling to the ground (supports gravity) OR a bear skeleton (evidence of bears).
A doctor uses a drug to lower cholesterol. Is this basic or applied science?
Applied science.
Which type of microscope can magnify up to 2 million times?
Transmission electron microscope (TEM).
Name two ways living things reproduce.
Answer: Asexual and sexual reproduction.
Which is more specific: genus or species?
Answer: Species.
Name two other important scientific theories besides the germ theory.
Answer: The cell theory and the theory of evolution.
Why do scientists study plants and animals in the rainforest?
Answer: To discover new medicines and cures for diseases.
Which microscope uses sound waves to scan specimens?
Scanning acoustic microscope.
List three of the five main characteristics of life.
Need energy, made of cells, respond to environment, grow/reproduce, maintain homeostasis.
How is a species defined?
A group of similar individuals that can interbreed and produce fertile offspring.