PeTa in Science 7 (made by Frhinzes Zhanaia f Bautista)

What is motion?

• ▪Change in position in relation to

  a reference point.

• Object

• Velocity

• None of the above

What are motion graphs?

• Velocity at which is speed

• Object

• Is a useful tool for visualizing and communicating information about an object’s motion

• Speed

A wave that does not need a medium?

• Electromagnetic wave

• Longitudinal wave

• EM wave

• N

A wave that needs a medium?

• Mechanical wave

• Compressional wave

• Longitudinal wave

• Em wave

3 types of sound wave

• Pitch,loudness,timbre

• Loudness,pitch and timbre

• Pitch

• Timbre

Soundwave requires a?

• Medium

• Nothing

• A sound wave is a mechanical wave that requires a medium

• Velocity

How fast does light travel?

• 300,000 km/s in space and 197,000 in glass

• 288,396,467

• 456,456,456

• 299,792,458 km/s

3 effects happen when light strikes an object

• Can be absorbed,reflected or transmitted

• Nothing

• Opaque,translucent,transparent

• Velocity

3 ways heat can move!🤔

• Conduction, convection and radiation

• Speed,distance,velocity

• Conduction

• Friction,contact,i

last question! 3 ways heat can move?🤔

• Friction,contact,induction

• Conduction,friction,induction

• None of the above

• Conduction,convection,radiation