Science Concepts Final 8th grade 2025

Front

A student examined a rock sample and described it as having particles of various colors that were 1 millimeter to 12 millimeters in size. The student was making

Back

an observation

Front

What is a hypothesis for an experiment to determine if the temperature of water affects how well laundry detergent cleans clothing?

Back

If the water is hotter, then the detergent will make the clothes cleaner.

Front

A student placed a rock in a graduated cylinder containing water, causing the water level in the cylinder to increase by 20 mL. This increase represents the rock’s

Back

volume

Front

Compared to material A, material B has a different

Back

density

Front

Which process in an apple tree primarily results from cell division?

Back

growth

Front

Which term is used to describe the sum of all the chemical processes in the human body?

Back

metabolism

Front

What are genes composed of?

Back

DNA

Front

The numbers in the drawing represent the number of: genes, cells, chromosomes, DNA

Back

chromosomes

Front

What model is used to show the pattern of traits that are passed from one generation to the next in a family?

Back

pedigree chart

Front

What percentage of the offspring’s genetic information is the same as the genetic information of the parent?

Back

100%