Structures & Properties of Matter
What is an example of a heterogeneous mixture?
Salad, bowl of cereal, oil and water, etc
The name for heat transfer between two solids which are in direct contact or touching one another is
Conduction
This is the SI (metric) unit of force.
Newton
An echo is an example of sound wave's
Reflection
Static charges can be applied to neutral objects by friction, induction or conduction. What do all of these methods utilize to create this charge?
Electrons
20g of sugar is stirred into a beaker containing 100 g of water. After the sugar has completely dissolved, the solution is put on the scale. What is the mass of the solution ?
120g
The process by which hot and cold air are transferred in the atmosphere is
Convection
This is a force that resists all motion.
Friction
Sound travels in waves. Sound waves cannot travel through
Space
You rub a balloon on your head and it becomes negatively charged. The balloon will be MOST attracted to
positively charged hair
What is the positively-charged sub-atomic particle in the nucleus.
Proton
On Halloween, you take a glow stick, crack the capsule inside and shake it until it glows. This is an example of light energy being transformed from which type of energy?
Chemical
A child had a 600g basketball, a 500g football, a 150g baseball, and a 50g yo-yo.
If the child had to throw one of the four, which one would take the MOST force to throw?
Basketball
· sound
· parallel
· mechanical
· not a vacuum
· needs a medium
· compressions and rarefaction
What type of wave is being described?
Longitudinal
After turning off the television, you approach it. As you get close, but not touching it, the hairs on your arm start to stand up. This is an excellent example of static charge built up by
Induction
When two or more substances combine, but each keeps its own properties, the new combination is called a(an)
Mixture
What form of energy does a compressed spring have?
Potential energy
Net force is the total of all forces acting on an object. When a force is balanced and the object does not move, the net force is equal to what
0
The top of a wave is known as the ______
Crest
Two magnets with the same charge will
Repel
The majority of the mass of the atom is located in the _______.
Nucleus
This is energy of motion
Kinetic Energy
Newton's First Law of Motion states that an object will remain at rest or in uniform motion in a straight line unless acted upon by an external force change the motion. This is sometimes called the law of
Inertia
In an electromagnetic wave, an electric field exists perpendicular to a magnetic field, and both fields are perpendicular to the direction of travel of the wave. These characteristics indicate that an electromagnetic wave is which of the following wave types?
Transverse
One way for objects to lose or gain electrons is through _______, or rubbing against other objects
Friction