Forces and Motion
Work, Energy, & Power
Sound
Light
Heat
100

What is the unit used for force?

Newtons

100

Is there work done when a person pushes a wall? Explain.

There is no work done because the applied force was unable to make the object move.

100

True or False. Sound waves are transverse.

False. Sound is longitudinal. Light is transverse

100

Radiation that travels through a medium (or lack thereof), allowing objects to be visible.

Light

100

What is Thermal Energy?

The amount of energy possessed by particles in a system. These particles, when containing energy, move from one place to another.

200

Guess what is this based on the emojis: 🌌☄️🧲🌍

Gravity

200

The unit for work is Joules or...

Newton-meters

200

Travels through different types of medium, but cannot travel through a vacuum

Mechanical waves

200

What is the speed of light?

299,792,458 m/s

200

Occurs when an object absorbs heat from its surroundings, going from a denser to rarer state

Endothermic

300

When the car accelerates _______, the person by moving _______.

Forward-backwards

300

Gravity is always equals to 9.81 m/s^2.

False. Gravity is different in other planets.

300

Sound travels in a direction ______ to the material action.

Parallel

300
What are the highest and lowest points of a light wave called?

Crests and Troughs

300

Celsius = Farenheit - 32 (9/5) True or False?

False, 5/9

400

Give an example of Uniform Circular Motion (real life situation).

Motion of artificial satellites around the earth

400

What does the Greek word "kinetikos" mean?

Moving

400

Describe the particle space in the different state of matter.

Solids: closely packed Liquids: a bit distant Gases: far apart

400

What is the difference between time and period?

Frequency - the number of full waves that pass through in a second

Period - the time it takes for one full vibration

400

What are the three exothermic reactions?

 Freezing (L-S) Condensation (G-L) Deposition (G-S)

500

Explain the three laws of motion. Give examples.

Alam nyo na yan

500

ACTUAL EQUATION NERDS: A book (4.25kg) is lifted from the floor and placed on a 3.75 m tall table. What would be the potential energy?

PE = 156.35 J

500

Echoes can only be heard distinctively __ meters from the source.

17

500

What is the index of refraction of a diamond?

2.147

500

What does Q mean in the formula for heat?

Heat applied

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