7th Grade Science Benchmark Review

Front

What are synthetic materials?

Back

Synthetic materials are man-made fabrics created through chemical processes, often designed to mimic the properties of natural materials.

Front

What is the environmental impact of synthetic materials compared to natural materials?

Back

Synthetic materials can cause more harm to the environment than natural materials, despite often being less expensive.

Front

What is the cardiovascular system?

Back

The cardiovascular system is the system in the body that circulates blood, consisting of the heart, blood vessels, and blood.

Front

What are blood cells?

Back

Blood cells are the cells in the blood that perform various functions, including transporting oxygen and fighting infections.

Front

What is the relationship between population growth and water usage?

Back

Growing populations worldwide are correlated with increasing amounts of water supply usage.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances where each substance retains its own properties and can be separated.

Front

How can you identify a mixture?

Back

A mixture can be identified if the substances can be separated by physical means, such as filtering.

Front

What is a unicellular organism?

Back

A unicellular organism is an organism that consists of a single cell, performing all life functions within that one cell.

Front

What evidence indicates an organism is unicellular?

Back

If an organism cannot be seen without a microscope, it may be unicellular, as it performs all life functions within one cell.

Front

What is the significance of using environmentally friendly fabrics?

Back

Using environmentally friendly fabrics helps reduce the negative impact on the environment and promotes sustainability.