7th Grade Science Full Year Pre-Test

Front

What is the smallest unit of life that is capable of carrying out all life functions?

Back

The cell.

Front

What is the tendency of objects to resist a change in motion called?

Back

Inertia.

Front

Cells with a nucleus and membrane-bound organelles are called what?

Back

Eukaryotes.

Front

What is the independent variable in a graph that shows the number of frogs over the years?

Back

Year.

Front

What are the three key ingredients needed for photosynthesis?

Back

Sunlight, water, carbon dioxide.

Front

What is the process by which plants make their own food using sunlight?

Back

Photosynthesis.

Front

What is the function of the mitochondria in a cell?

Back

To produce energy (ATP) through cellular respiration.

Front

What is the difference between prokaryotic and eukaryotic cells?

Back

Prokaryotic cells do not have a nucleus or membrane-bound organelles, while eukaryotic cells do.

Front

What is the role of chlorophyll in photosynthesis?

Back

To absorb sunlight.

Front

What is the force that pulls objects toward each other called?

Back

Gravity.