a periodic disturbance in a solid, liquid, or gas as energy is transmitted through a medium
What is a wave?
100
a change in matter from one form to another without a change in chemical properties
What is a physical change?
100
a push or pull
What is force?
100
formula for velocity of a falling object
What is v= 9.8 m/s/s x t
(9.8 can be replaced by g)
200
an idea or explanation that is based on observations and that can be tested
What is a hypothesis?
200
needed in all waves
What is vibration?
200
band of colors produced when white light passes through a prism
What is a spectrum?
200
SI unit for force
What is a newton (N) ?
200
MA of a lever
What is input force over output force?
300
number of steps in the scientific method
What is 6?
300
2 types of waves
What is transverse and longitudinal?
300
a measure of gravitational force exerted on an object
What is weight?
300
2 types of friction
What is static and kinetic?
300
formula for acceleration
What is a=f/m?
400
possible explanations or answers to a question
What is data?
400
highest point of a transverse wave
What is the crest?
400
the first stage of mitosis and meiosis during which chromosomes condense
What is prophase?
400
force of attraction between objects that is due to their masses
What is gravity
400
formula for momentum
What is p=mxv
(mass times velocity)
500
every step in the scientific method
What is ask a question, form a hypothesis, test hypothesis, analyze results, draw conclusions, and communicate results?
500
difference between surface waves and transverse waves
What is the particles in the medium move in circles instead of up and down?
500
the law that states mass cannot be created nor destroyed in ordinary chemical and physical changes
What is the law of conservation of mass?
500
all 3 Newton's Laws (extra time for explaining)
What is 1. an object in motion must remain in motion unless acted on by an outside force, 2. the acceleration of an object depends on the mass of an object and the force applied, 3. whenever one object exerts a force on a second object, the second object exerts an equal and opposite force on the first?
500
formula for calculating average acceleration
What is final velocity - starting velocity/ time it takes to change velocity?