PSSA Prep #6

Front

Which question could best be investigated using scientific inquiry?

Back

How does the amount of sunlight received affect the growth of flowering plants?

Front

Unintended effect of overusing chemical pesticides on crops?

Back

insect pests becoming resistant to certain pesticides

Front

A family adopts a pet dog from the local animal shelter. The family does not know the breed of the dog. To help determine the breed, the family compares the traits of the dog to the traits of known dog breeds. The family concludes that the dog’s parents were two different breeds. Which scientific concept did the family most likely use to form this conclusion?

Back

Mendelian genetics

Front

How do grassland ecosystems benefit from periodic fires?

Back

Ash left over from fires provides plants with additional nutrients.

Front

See attached diagram

Back

D

Front

See attached diagram

Back

A

Front

Tools to measure the volume of a rectangular object?

Back

ruler or graduated cylinder

Front

See attached diagram

Back

B

Front

Which list correctly shows characteristics of fungi and animals?

Back

Fungi: have a cell wall, break down dead organisms Animals: have no cell wall, feed on other organisms

Front

Solution for cleaning up fallen tree leaves with the most positive environmental impact: piling the leaves to burn them, piling the leaves to compost them, raking the leaves into plastic bags to store them, raking the leaves into trucks to transport them to a landfill.

Back

piling the leaves to compost them