S6 Final Test Flashcards
What do we call mixtures in which the individual parts cannot be seen as separates?
Homogeneous
What do you call mixtures in which individual parts can be seen?
Heterogeneous
Which law states that objects at rest tend to stay at rest and objects and emotions tend to stay in motion in a straight line unless act upon by force
Newton first law of motion
Which law states the forever action there’s an equal and opposite reaction
Newton third law of motion
True or false friction is a force resist movement between two objects
True
True or false lubrication in increases friction to make something difficult to move
False lubrication increases how easy something is to move
(Yes, or no) can energy be created or destroyed?
No
True or false kinetic energy is stored energy
False
True or false stored energy is preferred as potential energy
True
Name two kinds of renewable energy
The sun ,wind ,and water
Name two forms of energy we get from fossil
Oil and methane (nature gas)
What do you call vibrations at travel through a material from a source
Sound
True or false ultrasound is too low for our ears to hear
False ultrasound is too high-pitched for our ears to hear
What is ROY G. BIV stand for
Red, orange, yellow, green, blue, indigo and violet
What are two kinds of invisible light at each end of the spectrum
Ultraviolet and infrared
What are three things needed to start a fire?
Fuel ,oxygen and,heat
True or false electricity flows into your house through a direct current
True
What is the region around a magnet that produces a magnetic force?
The domain
True or false the Earth core is made out of marshmallows
Boss, it is made out of liquid iron and some liquid nickel
What letter has a fulcrum in the center and a load and effort on opposite end?
A first class ever
What must a wheel have to work?
An axle
Which pulley system makes work easier a single pulley system or double pulley system
A double pulley system
True or false radiant heat can travels through space
True
True or false a magnet powered biological current that can be turned off. It’s called an electromagnetic.
True
