7th grade 2nd 9 weeks test

Front

What is the formula for the area of a rectangle?

Back

Area = length × width

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

Define a prime number.

Back

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.

Tags

CCSS.4.OA.B.4

Front

What is the process of photosynthesis?

Back

Photosynthesis is the process by which green plants use sunlight to synthesize foods with the help of chlorophyll, converting carbon dioxide and water into glucose and oxygen.

Front

What is the law of supply and demand?

Back

The law of supply and demand states that the price of a good or service is determined by the relationship between its supply and demand.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form or appearance of a substance without changing its composition, while a chemical change results in the formation of new substances.

Front

What is the main function of the heart in the human body?

Back

The main function of the heart is to pump blood throughout the body, supplying oxygen and nutrients to tissues and removing waste products.

Front

What is an ecosystem?

Back

An ecosystem is a community of living organisms interacting with their physical environment.

Front

What is the Pythagorean theorem?

Back

In a right triangle, the Pythagorean theorem states that the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the other two sides: a² + b² = c².

Tags

CCSS.8.G.B.7

Front

Define inertia.

Back

Inertia is the tendency of an object to resist changes in its state of motion.

Front

What is the significance of the water cycle?

Back

The water cycle is significant because it describes the continuous movement of water on, above, and below the surface of the Earth, supporting all forms of life.