1st Semester Review - 6th Grade Science

Front

What is the control center of the cell?

Back

The nucleus is the large oval structure that acts as the control center of the cell, directing all of the cell's activities.

Front

What is air pressure?

Back

Air pressure is the force exerted on an object by the weight of the air above and around it.

Front

Why do plant cells have chloroplasts?

Back

Plant cells have chloroplasts because they need to make their own food through photosynthesis.

Front

What is the geosphere?

Back

The geosphere refers to the solid part of the Earth, including rocks, soil, and landforms.

Front

Where is there a high concentration of water in a plant?

Back

There is a high concentration of water in the vase.

Front

What is the function of vacuoles in plant cells?

Back

Vacuoles store nutrients and waste products, helping maintain turgor pressure in plant cells.

Front

What is the role of ribosomes in a cell?

Back

Ribosomes are responsible for protein synthesis in the cell.

Front

What is the difference between plant and animal cells?

Back

Plant cells have a cell wall and chloroplasts, while animal cells do not.

Front

What is photosynthesis?

Back

Photosynthesis is the process by which plants use sunlight to convert carbon dioxide and water into glucose and oxygen.

Front

What is the biosphere?

Back

The biosphere is the global sum of all ecosystems, where life exists on Earth.