Middle School Science Quiz

A fertilized egg grows into a tadpole and then grows into a frog. This shows that for frogs

Which process occurs during the growth and development of a fertilized human egg?

If running water formed a large, deep channel in the ground surface, what process is responsible for the soil removal?

Which gas is used by humans in the process of cellular respiration?

All of the plants and animals living in the same area make up a

What cell structure do nutrients pass through to enter a cell?

The formation of rock fragments and soil is mostlikely the result of

All matter is made up of

Abnormal cell division results in

A habitat changes from grass, to shrubs, to softwood trees, and finally to hardwood trees gradually over time. This is

The primary purpose of which human organ system is to produce hormones that regulate body functions?

The carbohydrates, proteins, and minerals that are vital to an organism’s survival are found in

A food web shows mice, foxes, green plants, and bacteria. Which is the decomposer?

In Missouri there is a greater snow chance in January than in March because in January the Northern Hemisphere is tilted

A car's catalytic converter makes gases the car releases less harmful. The catalytic converter was developed because

A group of tissues that work together to perform a specific function is called

During mechanical digestion, food is being

Two insects are similar but cannot sexually reproduce with each other to produce offspring. They most likely belong to:

Which change would most likely cause a decrease in the number of squirrels living in an area?

During the process of photosynthesis, greenplants produce