PHYSICS MIDDLE SCHOOL

All of the following would be questions that could be scientifically investigated except: A. What is the proper number of children to have in today's family?
B. Will equal sizes of Styrofoam and wood have the same mass?
C. Does adding salt to water raise its boiling point?
D. Does lack of sunlight affect plant growth?

Answers

Answer 1
Answer:

Answer: option A: What is the proper number of children to have in today's family?

A scientific investigation includes a scientific method to approach a problem. There is a systematic approach is used to address a problem. It generally includes five steps: first a problem needs to be identified. Thereafter, a background research is important to form a hypothesis. Fourthly, an experiment, observation or measurements are done in order to draw conclusions at last.

From the given questions, option A is a question which cannot be scientifically investigated. This is because, it varies from individual to society to the economy of a state.  The conclusion would not be generalized solution.

option B.Will equal sizes of Styrofoam and wood have the same mass?  can be scientifically investigated. The given quantities can be measured and tested.

C. Does adding salt to water raise its boiling point?  This can be scientifically tested

D. Does lack of sunlight affect plant growth? This can also be scientifically measured.


Answer 2
Answer: All of the following would be questions that could be scientifically investigated except A.
That is an opinion and cannot become a fact.

Related Questions

HIGH SCHOOL

A car uses ____________________________ to move. Select one: a. energy b. pulls c. motion d. work

Answers

Answer:

Option A.

Explanation:

The correct answer is Option A.

The car uses energy to move.

A car is a machine that converts energy locked in fuel like petrol or diesel and turn it into mechanical energy.

The energy produced from the combustion of gasoline is then used to move the shaft, which sends the power to the rear axle and the wheel starts to move.

MIDDLE SCHOOL

Work is done on an object when an applied force causes the object to move in the same direction as the force.

Answers

Answer:yes

Explanation:

Work is done on an object when an applied force causes the object to move in the same direction as the force

MIDDLE SCHOOL

A stunt car with a mass of 1000 kg crashes into a tree on a movie set during the collision acceleration of the car with 3 m what was the force of impact of the collision on the car

Answers

F=m•a=1000•3=3000 N=3kN

MIDDLE SCHOOL

You spill a bucket of soapy water on a marble floor accidentally.Would it make it easier or difficult for you to walk on the floor? and why ? (Briefly describe your answer)

Answers

Answer:

It would make it difficult for you to walk on the floor.

Explanation:

Spilling a bucket of soapy water on a marble floor will significantly reduce the coefficient of friction between the floor and your shoes. In this way, even though your weight puts pressure on the floor, the contact surface between the material of your shoes and the floor won't be enough to safely walk on it without losing stability. The layer of soapy water will become a barrier between the two materials.

Answer:

Of course harder

Explanation:

Just imagone the floor is wet and you walk on it, do u feel it hard or easy to walk? :D

Random Questions
PLEASE HELP ASAP mark brainiest and 30 points...You will read a historical fiction text and a historical nonfiction text. Then you will compare and contrast the texts in a written paragraph. Text 1: Benjamin Franklin Flies a Kite by Eduardo Mata In 1752, Benjamin Franklin had a theory that lightning was electricity. He wanted to prove that the power could be transferred to other objects. He grabbed a kite and experimented on a stormy afternoon. Franklin believed that thunder clouds contained electrical charges. He planned to fly the kite into the clouds so that electricity passed down the wet kite string. With his son, William, as his assistant, he went to work. First, he tied an iron key to the silk kite string. Next, he ran a metal wire from the key into a jar designed to store electrical charges. Once the kite was in the air, he stood in a barn to keep safe and dry. Soon, electrical charges from the clouds passed into the kite. They traveled along the wet string, to the key, down the wire, and into the jar. When Franklin reached his hand toward the key, he received a mild shock. The electricity had been captured and transferred. The experiment was a success. At least it was for Benjamin Franklin. Other scientists were killed trying to duplicate his efforts. Looking back, it was not the safest way to test his theory. In this case, it worked out and paved the way for future discoveries about electricity. Text 2: A Shocking and Stormy Night by Prentice Newton I saw a shocking thing last night that I can’t quite explain. On the street outside my window, a man stood in the rain. Twas strange to see him all alone on such a stormy night. Who goes out in a thunderstorm and tries to fly a kite? He tied a key around the string then looked up to the sky. He showed no fear as thunder crashed then launched the kite up high. I found the whole thing frightening from the safety of my room. I watched each flash of lightning with a growing sense of doom. Then a burst of light struck the kite. It glowed as if on fire. The string lit up as if it were a red-hot piece of wire. And in the midst of all of this, my eyes beheld the key. It danced upon the kite string as if filled with energy. Down on the ground, quite safe and sound, the man was dancing, too. The reason for his happiness? I have not got a clue. Was he just pleased that he survived or was it something more? My curiosity was sparked, but I’ll never know for sure. In a separate document, you will write a paragraph in which you compare and contrast the following features from the two texts: -Purpose -Characters in each piece -Setting -Plot events -Point of view -Mood -Word choice Remember to include evidence from the text to support your writing. Save your paragraph.