7th Grade Semester Exam

Front

Newton's first law is also called the Law of ...

Back

Inertia

Front

According to the graph how far does the person travel in the first 5 seconds?

Back

5 m

Front

When one of the parts of the solution is water we call it _________.

Back

aqueous

Front

Which model has greater gravitational attraction (if any)?

Back

Model A

Front

Velocity =

Back

displacement / time

Front

What is the definition of inertia?

Back

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

Front

What is the formula for calculating speed?

Back

Speed = distance / time

Front

What is gravitational attraction?

Back

Gravitational attraction is the force that pulls two objects toward each other due to their mass.

Front

What is the difference between speed and velocity?

Back

Speed is a scalar quantity (magnitude only), while velocity is a vector quantity (magnitude and direction).

Front

What does a flat line on a distance-time graph represent?

Back

A flat line indicates that the object is at rest.