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7th Grade Science Course Questions
Introduction to Biology
How is the scientific method an essential process in solving problems?
What are the different types of tools a scientist uses to gather data?
What are the steps to the scientific method?
How can you set up a procedure to test a hypothesis for a problem?
What is the difference between the variable and control group?
What is the difference between the independent and dependent variable?
What should you do if your hypothesis is correct or incorrect?
How can new findings change existing beliefs?
How are scientific theories developed?
What is a scientific theory that is currently being debated?
What are three types of models used by scientists to help develop theories?
The Cell
What makes up all matter (living and nonliving )?
What is the difference between an element and a compound?
What molecules are found in living things?
What is the difference between a chemical and a physical change?
What does a chemical equation represent?
How does the structure of a cell relate to its function?
What is a cell?
Where do cells come from?
How do cells vary?
What are the organelles of a plant cell and describe their function?
What are the organelles of an animal cell and describe their function?
How do plant and animal cells differ from each other?
Is there an advantage to being a unicellular or multi-cellular organism?
What are the cellular levels of organization of a multi-cellular organism?
What is the function of the Respiratory system?
Using the Respiratory System, what is an example of each cell level of organization?
How do the cells, tissues, organs, and organ systems work together to serve the organism as a whole?
Characteristics of a Living Thing
How do living things carry out life processes?
How do molecules move into and out of cells?
What life processes does a cell perform?
What are the different types of reproduction?
Why do organisms go through mitosis?
What are the stages of mitosis?
How do organisms respond to their environment?
How does a sea star reproduce?
Explain the cellular organization of a sea star?
How do eyespots help sea stars survive?
How does a sea star obtain its food?
How does respiration occur in a sea star?
How does a sea star grow?
Genetics
How are genetic traits inherited?
What determines our traits?
What are Mendel’s three laws of inheritance?
What is the difference between phenotype and genotype?
What is the difference between homozygous and heterozygous?
What is the difference between a dominant and recessive gene?
Are all traits inherited the same way?
How do mutations affect an individual/population?
What are the types of mutations?
What are causes of mutations?
What are examples of mutations?
How can mutations be helpful? Harmful?
How has genetic knowledge affected the quality of life for organisms?
How do scientists try to achieve desired traits?
What are some products which have been genetically engineered?
Adaptation/Classification
Why are some animals more likely to survive to adulthood than other animals?
What are some examples of adaptations?
How does a particular environment affect how a species looks or acts?
How has the process of natural selection affected the population of the peppered moth and other
organisms?
What biotic and abiotic factors contribute to the change or extinction of a species over time?
What knowledge did Darwin lack that modern scientists now use to hypothesize evolution?
Why is biological diversity important?
What are some of the benefits for having a diverse population of plants and animals?
What positive and negative affects do people have on biodiversity?
What can be done to protect biodiversity?
How are the levels of classification dependent on the similarities and differences between organisms?
What are the Kingdoms?
What are characteristics for each Kingdom?
What are the subdivisions of a Kingdom?
How is a dichotomous key used to identify an organism?
Why are scientific names important?
Animal Kingdom- Invertebrates 1
How does the structure of simple invertebrates help them function effectively in specific ways?
What is the difference between vertebrates and invertebrates?
What is the simplest phylum of the Animal Kingdom?
What features do Cnidarians have that sponges do not?
How do the three phyla of worms differ from each other?
How do you tell the difference between the dorsal and ventral side of the earthworm?
How do you tell the difference between the anterior and posterior region of the earthworm?
Explain how food travels through the earthworm?
How does the exchange of oxygen and carbon dioxide take place in the earthworm?
Explain the Circulatory System of the earthworm?
How do earthworms benefit the soil?
Invertebrates II
How does the structure of complex invertebrates help them function effectively in specific ways?
What are the similarities among all mollusk?
What are the features of each class of mollusk?
How does food travel through the bivalves?
How do bivalves breathe?
What makes a phylum successful?
How are arthropods classified?
What characteristics separate the five classes of arthropods?
Why do arthropods molt?
What are the advantages/disadvantages of an exoskeleton?
What are the body regions of the arthropods?
What structures do crayfish use to obtain food?
How do you tell the difference between a male and female crayfish?
What is the digestive pathway of the crayfish?
How complex is the crayfish’s nervous system?
How does blood flow through the crayfish?
What is the difference between complete and incomplete metamorphosis?
Is complete or incomplete metamorphosis and advantage? Explain.
How is the organization of the colony of social insects beneficial to their survival?
How does oxygen reach an insect’s body cells?
How can you tell the difference between a male and female grasshopper?
How does food travel through the grasshopper?
What type of circulatory system does a grasshopper have?
Why is a grasshopper not considered a beneficial insect?