OST 8th Grade Science Library

Front

What does a steep straight line slope in a population graph indicate?

Back

A steep straight line slope shows a rapid decline in the population, indicating a rapid change in the environment.

Front

How do scientists determine when magnetic field reversals occurred in oceanic crust?

Back

Scientists measure the distance between the mid-ocean ridge and the ocean floor band to determine when magnetic field reversals occurred.

Front

What happens to box X and box Y when horizontal forces act on them?

Back

Box X starts moving, speeding up, while Box Y remains at rest.

Front

Which term is an example of force?

Back

Weight is an example of force.

Front

What is the definition of force?

Back

Force is a push or pull acting on an object.

Front

What is the relationship between mass and weight?

Back

Weight is the force exerted by gravity on an object's mass.

Front

What is the formula for calculating weight?

Back

Weight = mass × acceleration due to gravity (W = m × g).

Front

What is the definition of energy?

Back

Energy is the ability to do work or cause change.

Front

What is the difference between kinetic and potential energy?

Back

Kinetic energy is the energy of motion, while potential energy is stored energy based on an object's position.

Front

What is the principle of conservation of energy?

Back

Energy cannot be created or destroyed, only transformed from one form to another.