What is Friction?
What is friction?
The force that resists motion between two surfaces.
Which has more friction: ice or sandpaper?
Sandpaper.
What type of motion creates vibrations?
Back-and-forth motion
What continent is the largest?
Asia
How many planets are in our Solar System?
8
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
Pluto is now a Dwarf Planet
Does friction make objects move faster or slower?
Slower.
Name a surface that has low friction.
Ice, tile, smooth glass, etc.
How does the strength of a vibration affect loudness?
Stronger vibrations create louder sounds
What type of animals only eat plants?
Herbivore
In terms of land mass, this is the largest country in the world
Russia
If you push a toy car on a smooth surface and a rough surface, which one will go farther?
The smooth surface.
What would happen if there was no friction between your shoes and the ground?
You would slip and fall and never stop sliding until you slammed into something!
How does vibration speed relate to pitch?
Faster vibrations produce higher pitch
How many hours are there in one week?
168
This is the name of the genetic material in your body that determines what genes or traits you carry and pass on to your children
DNA
Deoxyribonucleic Acid
True or False: Friction only happens when two objects touch.
True.
Why do astronauts in space have trouble stopping their movement?
There is no friction in space to slow them down.
Why do smaller instruments often produce higher sounds than larger ones?
They vibrate faster because they are small and lighter
Which country do koalas come from?
Australia
There are only 3 words in the English language that begin with the letters DW. Name 1 of them
Dwell, Dwarf, Dwindle
Name one way friction is helpful in everyday life.
e.g., walking, braking a bike, gripping objects.
A 5kg rubber ball rolls against Titanium and rolls for 17m before stopping.
The same 5kg rubber ball rolls against Oak wood and rolls for 14m before stopping.
Which surface has the higher friction
Oak Wood
From slowest to fastest, list the states of matter that sound travels in.
Fastest: Solid --> Liquid --> Gas :Slowest
Which Roman Numeral represents the number 5?
V
This is the only fruit with the seeds on its outside!
The Strawberry