Miscellaneous Science 1
Does sound travel faster in the air or in water?
water
Attractive force puling everything down is called _____.
Gravity
The first law of motion states that an object at rest will _______ if no outside forces are applied.
stay at rest
Vocabulary word: Force between an object and surface causing the object to slow down or resist
friction
Does doubling the mass or doubling the speed of a moving object produce more kinetic energy?
Doubling the speed of a moving object
Dilcia wants to know how drinking milk affects how tall a Monica grows. Which is the independent variable?
drinking milk
When a cell phone drops on the ground, what is pushing on what? (Does the phone push on the ground, does the ground push on the floor, or does the phone push on the ground and the ground push up on the floor- both)
The phone pushes on the floor and the floor pushes up on the phone
Which organ in the human body is the only one that can float on water?
Lungs
Which country are you visiting if you are in the Taj Mahal?
India
What is the only planet that spins clockwise?
Venus
Suppose you are pushing a wall, and as expected, the wall does not move and neither do you. It means that you and the wall are exerting a __________ force on each other.
balanced
The first law of motion states that objects in motion will __________________ unless acted on by an external force.
stay in motion
Vocabulary word: The maximum extent a solid can bend or stretch without permanent deformation
elastic limit
What type of energy is a rubber band being stretched back?
Potential
Ramone wants to know: Does the distance a person kicks a soccer ball effect how well they will do on their math test. What is the dependent variable?
How well they do on the math test
In the lab that we did, which substance had a higher (greater) elastic limit: foam or wood? How did you discover this? (You need to have both answers correct to get the points.)
Wood
(When we used the push-pull spring scale and it read more Newtons when we pushed down on the objects. More force was needed to deform the wood. The foam deformed more easily.)
Which is the only planet in our solar system whose rotation is almost at a right angle to its orbit (i.e., it spins on its side)? The largest moon of this planet is Titania.
Uranus
What does a camel store in its hump?
Fat
What is the only part of the human body that can't repair itself?
teeth
unbalanced
This law of motion states that heavier objects need a larger force to make them move.
2nd Law of Motion
Vocabulary word: As the material is stretched further, it eventually reaches a point at which it can no longer sustain the tension, and it breaks
breaking point
On a roller coaster, where is maximum potential energy?
At the top of the tallest hill
You are testing which type of paper airplane goes furthest. What is the INDEPENDENT variable?
the type of paper airplane
In the changes in kinetic energy investigation we found out that doubling the ___________ (mass or speed) increases the amount of kinetic energy produced.
speed
Now displayed in Chicago’s Field Museum of Natural History, 90 percent of the fossils from what massive theropod dinosaur was unearthed in South Dakota in 1990 and was nicknamed “Sue” after it was discovered by paleontologist Susan Hendrickson?
Tyrannosaurus Rex
True or False: NFL Super Bowl referees also get Super Bowl rings
True
Which freezes faster, hot water or cold water?
Hot water
(This is known as the Mpemba effect.)
A force going to the right at 300 N, an opposite force going to the left at 500N. What is the net force?
200 N
The risk of injury in a car accident is much greater if occupants do not wear a seat belt. Which of Newton's laws explain why this is true?
Vocabulary word: the maximum amount of force in a collision
peak force
What kind of energy is in a moving skateboard?
kinetic
Marcos wants to know: Does the type of gasoline put in a car effect how fast the car can drive? What is the independent variable?
type of gasoline
Which had the higher elastic limit in the reading, steel or aluminum? (You read this article in the deformation of materials lab.)
steel
At only one-half of one millimeter long, tardigrades are considered a micro animal found in marine environments which also happen to be one of the most resilient animals known. What is the more common two-word name for these animals based on their resemblance to a certain land-bound animal?
Hippopotomonstrosesquippedaliophobia is the fear of what?
The fear of long words
Roughly how long does it take for the sun’s light to reach Earth: 8 minutes, 8 hours or 8 days?
8 minutes
If we apply a force of 15 Newtons to the right and another 15 Newtons to the right on the same object, what will the net force be?
30 N
(15 N + 15 N)
Stacy is rowing a boat. She wants the boat to move forward. According to Newton's Third Law, in which direction should she move her paddle in the water?
Backwards
Vocabulary word: The variable changed each time you test
independent variable
The amount of kinetic energy in an object is determined by its
Nerline is doing an experiment to see which color of t-shirt gets the hottest when exposed to light for 30 minutes. What is the control (constant) variable?
keeping the t-shirt in the sun for 30 minutes, same size and material that makes up the t-shirt, or same amount of sunlight
In lesson 5, we did a lab where you increased the speed of the cart. As the speed increased, you saw an increase in ________ force.
peak
Prior to Hayley Arceneaux’s 2021 flight on SpaceX's Inspiration4 mission, who was the youngest American astronaut to fly into space at 32 years old – who also became the first American woman to fly into space in 1983?
Sally Ride
Name the three bones found in the inner ear
Hammer, anvil, and stirrup
What is mycology?
The study of mushrooms
What is the measurement of the amount of gravity on an object?
Weight
A student inflates a balloon attached to a plastic straw. A string is threaded through the straw and tied to opposite ends of the room. When the air in the balloon is released, the balloon travels the length of the string. Which of Newton's laws explain this?
3rd Law of Motion
Vocabulary word: the variable you measure
dependent variable
Which would have the greatest gravitational potential energy-
A 4 pound rat on a school desk, A 14 pound platypus on a swing, a 45 pound dog in an oak tree, or a 45 pound child on a bike?
A 45 pound dog in an oak tree
These are variables that are kept the same throughout all experimental groups to prevent error in the experiment.
controlled variables
What two things slow down the speed of an object in motion?
Air resistance and friction
What are the only two mammals known to lay eggs?
The duck-billed platypus and the echidna
What is another name for an octothorp?
Hashtag, pound sign, or number symbol