Science ASTS Exercise

Forces that support the ball to stay stationary

According to the result, which piece of paper that has a larger surface area ... explain your answer

When an object is unbalanced, there will be change in the speed and

• the direction

• the type of moving object

• the color of moving object

• the wheels

What is vibration

• a circular movement

• a back and forth movement

• something that pulls us towards the center of earth

• push or pull

Linda makes an investigation about volume in library. She discovered that the volume of sound there was 37. How to write volume with its unit correctly

• 370 DB

• 370 Db

• 37 dB

• 37 db

Explain how we can hear sound

If you pluck the guitar string harder, then the pitch will be higher

• TRUE

• FALSE

The boat is staying. What force acting on the boat when the boat is staying

• Upthrust and normal force

• Upthrust and gravity

• Upthrust and water resistence

• Upthrust only

If you knock the door harder, so the pitch will be

Volume depend with the

• speed of vibration

• type of vibration

• strength of vibration