Exploration In Physical Science

Question 1

a push or pull upon an object resulting from the objects interaction with another object

Answer 1

force

Question 2

water is an example of _____ in the rocket car activity

Answer 2

matter

Question 3

something in motion tends to stay in motion

Answer 3

law of inertia

Question 4

for every _____ there is an equal and opposite _____

Answer 4

action and reaction

Question 5

the alka seltzer and water mixing together is an example of ____ _____ in the rocket car activity

Answer 5

mechanical energy

Question 6

any object that hangs freely and swings back and forth from a fixed poing

Answer 6

pendulum

Question 7

measures how far the pendulum is pulled back on the first swing

Answer 7

amplitude

Question 8

someone that helped discover the pendulum

Answer 8

Galileo Galilei

Question 9

something that a harmonograph produces. a graph of a system with parametric equations

Answer 9

Lissajous curve

Question 10

a mathematical expression of waves

Answer 10

signs and co-signs

Question 11

the length of time it takes for a pendulum to take one full swing back and forth

Answer 11

period of a pendulum

Question 12

the swing down caused by the pull of gravity and the swing up caused by inertia

Answer 12

the working of a pendulum

Question 13

9.8 meters per second

Answer 13

the acceleration due to gravity on Earth

Question 14

the object swinging from the base of the string of a pendulum

Answer 14

the bob of a pendulum

Question 15

2π x √l/g

Answer 15

equation to find the period of the pendulum