Science 8 Final Exam

Front

What is the measure of how far something moved divided by the time it took to travel that distance?

Back

Speed

Front

What is speed in a specific direction called?

Back

Velocity

Front

What is the change in velocity over time known as?

Back

Acceleration

Front

If Audrey applies a force of 62 N and Tony exerts a force of 75 N to the right, what is the net force?

Back

137 N right

Front

How fast would a spacecraft need to travel to reach the moon in 24 hours if the moon is 238,900 miles away?

Back

9954.2 mph

Front

A runner completes part of a trail at 8 km/h and accelerates to 9 km/h. If the trail is completed in 2 hours, what is the acceleration?

Back

0.5 km/h²

Front

What type of energy is stored energy based on the position of an object?

Back

Potential Energy

Front

What type of energy is associated with motion?

Back

Kinetic Energy

Front

How do potential and kinetic energy maintain a constant total energy in a system?

Back

By transferring between the energies

Front

What remains constant as a roller coaster cart moves along a track?

Back

Total energy