Questions LLC
Login
or
Sign Up
Ask a New Question
Physical Science
Page 2
Questions (1,499)
Whats force is pushing upwards on your body while you are standing?
7 answers
asked by
aw3som3K1d
88 views
How many valence electrons does a nitrogen atom have
2 answers
asked by
Bonia
75 views
Sound waves move the slowest through which medium?
water ice air wood
2 answers
asked by
Interesting...
156 views
When does the boiling point of a liquid occur?
when the vapor pressure of the liquid equals the atmospheric pressure only when a
7 answers
asked by
Hey..😙
95 views
A chemical reaction releases 2.34 kJ of heat and no work is done on the surroundings. What happens to the change in internal
4 answers
asked by
ezile
62 views
What volume of ethanol in a litre (L) having a density of 0.678 g/cm3 can be poured into a graduated cylinder to give 16.28 g of
2 answers
asked by
ezile
58 views
Which scenario shows radiation? (1 point)
O Eggs cook in a skillet. The air under a reading lamp is warmed. O Eggs boil in a pot
2 answers
asked by
ulyjh,b
101 views
explain the processes that ice water and water vapor go through in order to change water from one state to another
2 answers
asked by
s
76 views
Explain how to make an electrical charge.
2 answers
asked by
Milo
50 views
You want to push a table 5 feet across the floor. How would a decrease in the resistance caused by friction change the amount of
2 answers
asked by
abysssky14
94 views
Give me answers to Physical Science exam
4 answers
asked by
Joe
85 views
The speed at which gas molecules move can be described as Blank 1 and when the gas molecules collide at constant temperature the
2 answers
asked by
ezile
96 views
Use 1-2 sentences to describe a logical cause for the scenario.
We went to the park, and all of the bikes at the bike rack were
2 answers
asked by
weeb
90 views
Which best describes energy changes in a system?
a Energy is conserved, and it cannot be created or destroyed. b Energy is not
1 answer
asked by
kali
108 views
Which scenario shows radiation?(1 point)
Responses Air warmed by a floor radiator rises to the top of a room, forcing cooler air
3 answers
asked by
Water
100 views
student holds an ice cube in her hand. Which of the following BEST describes the movement of heat that will happen?
a Heat will
1 answer
asked by
T
79 views
A student holds an ice cube in her hand. Which of the following BEST describes the movement of heat that will happen?
a Cold will
1 answer
asked by
no name
213 views
When combing one's hair, the comb becomes positively charged. What happens to the hair being combed?
Responses It loses
7 answers
asked by
s
97 views
A pot is heated on a stove. Which process causes the metal handle of the pot to also become hot?
a conduction b radiation c
1 answer
asked by
no name
108 views
Waves are _________.
a matter b forces c vibrations d particles
1 answer
asked by
kali
153 views
How many of the following processes would you expect to be spontaneous at 298K and 1atm?
dissolving sugar in water decomposing
3 answers
asked by
Car
1,463 views
the pressure of hydrogen gas in a constant volume cylinder is 4.25atm at 0 degrees celsius. what will the pressure be if the
3 answers
asked by
Gurjot
1,360 views
Relative density bottle weighs 10g when empty, 60g when filled with water and 100g when filled with a liquid..
Find the relative
1 answer
asked by
Mr Izzy
75 views
Endothermic
1 answer
asked anonymously
32 views
Review the examples below. Which would be considered an example of convection.
a a glass of water on a counter at room
1 answer
asked by
no name
105 views
Which of the following are characteristics of a good conductor? (Select all that apply.)
a Poor conductor of electricity b
1 answer
asked by
social studies
134 views
Which statement describes how Earth compares to the moon?
Earth has more inertia than the moon. The moon has more gravitational
17 answers
asked by
alley cat
169 views
How many electrons will a lithium ion have? Why?
1 answer
asked by
....
54 views
In this experiment, you will measure mass and volume of various sport balls, both regularly shaped ball and irregularly shaped.
2 answers
asked by
maru
65 views
Mason notices that his boat sinks lower into the water in a freshwater lake than in the ocean. What could explain this?
The boat
2 answers
asked by
maru
67 views
Which can occur in a physical change?
The mass can increase. The particles can arrange in different ways. The mass can decrease.
2 answers
asked by
maru
63 views
Which statement about the physical change of liquid water boiling into steam is true?
The heat added represents an energy change.
2 answers
asked by
maru
78 views
Which scenario is an example of a physical change?
Wood is burned in a campfire and is turned into ash and smoke. A piece of
2 answers
asked by
maru
82 views
Use surface tension to explain the photographs below.
image one: Water droplets on a leaf image 2: cup of water
4 answers
asked by
Avrlix
72 views
Isabella makes an electromagnet by wrapping copper wire around an iron bolt and then connecting each end of the wire to a
1 answer
asked by
social studies
176 views
Is the following phase change endothermic or exothermic?
Freezing Kool-Aid exothermic endothermic
1 answer
asked by
CantSay
82 views
Is the following phase change endothermic or exothermic?
formation of snow in the clouds exothermic endothermic 6. Is the
1 answer
asked by
CantSay
205 views
Characteristics of matter
2 answers
asked anonymously
37 views
A student observes melting crayons. Which of the following describes what they saw?
2 answers
asked anonymously
58 views
Rank the phases of matter from the one with the least kinetic energy to the greatest kinetic energy for the particles in the
8 answers
asked by
Lily
1,888 views
Efficiency of Machines Quick Check Answers - Physical Science B
Which is the equation for a machine’s efficiency? ANSWER -
1 answer
asked by
korinthia
524 views
This includes answers to the following QUICK CHECKs for Physical Science: Momentum, The Moment of Impact, Using Vectors to
2 answers
asked by
korinthia
896 views
Which of the following are examples of a physical change?
a)change in physical state b)change in size or shape c)change in
5 answers
asked by
Sara
2,251 views
Which of the following is true about the relationship between energy and chemical reactions?
Activation energy is required for a
4 answers
asked by
ballamoney1
1,432 views
A mixture of gases is heated and rises to the top of its container. Which statement best explains this result?
A. Heated gases
1 answer
asked by
Chicken
476 views
Which statement correctly describes the conductivity of the specified material?(1 point)
Aluminum has a low conductivity. Copper
3 answers
asked by
teccahelp
336 views
In which example do the particles in water have the most kinetic energy?(1 point)
Responses steam rising from a kettle steam
2 answers
asked by
blu
169 views
The picture shows a child sliding down a plastic slide.
Which statement best describes why the child's hair stands up after he
6 answers
asked by
Red
174 views
Which of the following was a prediction of the photoelectric effect under the wave model of light?
a. The light could only be
1 answer
asked by
hi
102 views
A mother finds her daughter’s mug of hot cocoa on a table an hour after she had been drinking it. As the mother pours out the
2 answers
asked anonymously
249 views
Pages
1
2
3
4
5
6
7
8
9
10
Parent Categories (9)
Academic Subjects
Applied Science
Education
Science
Science and Education
Science and Mathematics
Science and Technology
Science Education
Science/Technology