7th Grade Fall Semester Exam

Front

What was the name of the one supercontinent in the past?

Back

Pangaea

Front

The amount of matter in an object is called?

Back

Mass

Front

A ____________ substance has a definite volume and shape.

Back

Solid

Front

What is a huge ball of hot gases that gives off heat and light?

Back

A star

Front

Which of these is an element? Salt (NaCl), Water (H2O), Oxygen (O), Carbon Dioxide (CO2)

Back

Oxygen (O)

Front

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

Back

Photosynthesis

Front

What is the term for the force that pulls objects toward each other?

Back

Gravity

Front

What is the basic unit of life?

Back

Cell

Front

What is the term for a change in an organism that makes it better suited to its environment?

Back

Adaptation

Front

What is the name of the gas that plants take in during photosynthesis?

Back

Carbon Dioxide (CO2)