SCIENCE 8 (3RD 9 WEEKS EXAM)

SOUND WAVES ARE____.

• LONGITUDINAL

• TRANSVERSE

WHICH OF THE FOLLOWING IS NOT AN EXAMPLE OF A MECHANICAL WAVE?

• SOUND WAVE

• RADIO WAVE

IN AN ATOM, ELECTRONS ____.

• TRAVEL OUTSIDE THE NUCLEUS

• ARE LOCATED IN THE NUCLEUS

SOUND WAVES DO NOT TRAVEL THROUGH A(AN) ______.

• SOLID

• EMPTY SPACE

WHICH OF THE FOLLOWING BEST COMPLETES THE PHRASE?

FOR EVERY ACTION THERE IS _______.

• A REACTION

• AN EQUAL AND OPPOSITE REACTION

WHEN THE AMPLITUDE OF A LONGITUDINAL WAVE _____,

THE PARTICLES IN THE MEDIUM _____ IN THE COMPRESSIONS.

• DECREASES,

  GET CLOSER TOGETHER

• INCREASES,

  GET CLOSER TOGETHER

WHICH OF THE FOLLOWING IS NOT AN EXAMPLE OF CIRCULAR MOTION?

• CAR TURNING A CORNER

• CAR ACCELERATING ONTO HIGHWAY

THE ENERGY LEVELS OF AN ATOM ARE OCCUPIED BY _____.

• ELECTRONS

• PROTONS

AN OBJECT OF LARGE MASS HAS _____ THAN AN OBJECT OF SMALL MASS.

• LESS MOMENTUM

• MORE MOMENTUM

IF GRAVITY DID NOT AFFECT THE PATH OF A HORIZONTALLY THROWN BALL,

THE BALL WOULD _______.

• GO STRAIGHT UP

• TRAVEL HORIZONTALLY