https://padlet.com/p0185084/grade10science Post Questions and answers based on the unit you were assigned. one M/C and one short answer. Read other questions to ensure no repeats. en-us 2017-06-15 13:34:00 UTC 2025-06-05 01:46:00 UTC hello@padlet.com p0185084 https://padlet.com/p0185084/grade10science/wish/176550755 Question 1: A
Question 3: A
Question 4: a)
Question 5: The object in the water will look bent; due to the reason that the medium in air and the medium in water is different. 
Question 6: Refraction is when waves speed up or slow down due to 
Question 7: b)


]]> 2017-06-15 13:36:40 UTC https://padlet.com/p0185084/grade10science/wish/176550755 p0185084 https://padlet.com/p0185084/grade10science/wish/176550825 Abdullah - Question 1: What is NaCl an example of?
1. An ionic compound
2. A covalent bond
3. An element

Abdullah - Question 2: What is a liming agent an example of? 
1. An acid
2. A base
3. A polyatomic

Question 3: How many electrons are in the outermost shell of an atom? 
a) 2
b) 4
c) 8 
d) 16 

Answer: C Gurveer

Question 4:  What are 2 gases called when a bond? 
a) ionic 
b) covalent 
c) spongebob 
d) santa

Answer: B covalent Chris Paul 
Multiple Choice- Nucleus- Sarina
Answer- 5

Short answer- pH- Sarina



]]> 2017-06-15 13:36:57 UTC https://padlet.com/p0185084/grade10science/wish/176550825 p0185084 https://padlet.com/p0185084/grade10science/wish/176550833 1. c - forest fire
2. The seasons would never change
3. The ratio between radiation reflected to the radiation hitting the surface
4.
5.
6.
7.
8. c) All: continental drift, breaking up of landmasses, and changing 
9. a) rise because of melting glaciers and because of expanding water when it gets warmer
10. b]]> 2017-06-15 13:37:02 UTC https://padlet.com/p0185084/grade10science/wish/176550833 766426 https://padlet.com/p0185084/grade10science/wish/176552039 Question 1:  Which of these is Not a form of producing light?
1. Incandescence 
2. Triboluminescence
3. Titration 
4. Bioluminescence

Question 2:  What is the law of reflection?
1. Angle of incidence = Angle of reflection
2. Light bends towards to 

Question 3: Whats the speed of light?
a) 3.0 x 10^8 m/s 
b) 2.5 x 10^8 m/s
c) 3.0 x 9^8 m/s 
d) 2.5 x 9^8 m/s

Question(JW) 4: Which of the following is the correct thin lens equation?
a) 1/do+1/di=1/f
b) 1do-1/di=1/f
c) 1/di-1d0=1/f
d) 1/f+1/do=1/di

Question(JW) 5: What will happen when a object is placed in glass cup that is filled with pure water?

Question 6: Explain Refraction?

Question(JW) 7: Which lens brings the parallel light rays together to focus after refraction?
a) Diverging Lens
b) Converging Lens]]> 2017-06-15 13:45:10 UTC https://padlet.com/p0185084/grade10science/wish/176552039 564248 https://padlet.com/p0185084/grade10science/wish/176552346 1. If a tree stump has a black mark on one of the layers, what does that mean?
a) Dry season
b) Wet season
c) Forest fire
d) It died
2. What would happen to Earth's seasons if it orbited around the sun in a perfect circle?
________________________________
3. What is Albedo?
________________________________
4. ]]> 2017-06-15 13:48:02 UTC https://padlet.com/p0185084/grade10science/wish/176552346 560895 https://padlet.com/p0185084/grade10science/wish/176552389 Question 2:
Which of these statement is a part of a cell function?
A. Cell work together to perform basic life processes that keep organisms alive
B. Getting rid of body wastes
C. Making new cells for growth and repair
D.  All of the Above]]> 2017-06-15 13:48:16 UTC https://padlet.com/p0185084/grade10science/wish/176552389 https://padlet.com/p0185084/grade10science/wish/176552596 Abdullah - Name three indications of a chemical change?
Answer: Precipitate occurs, bubbling, gas is given off, colour changes, difficulty to reverse. 
Short Answer 2
Name three indications of a physical change?
Answer: Temperature, Color, Shape]]> 2017-06-15 13:49:36 UTC https://padlet.com/p0185084/grade10science/wish/176552596 629563 https://padlet.com/p0185084/grade10science/wish/176552643 Question 1:
What is metabolism
A. A single cell organism.
B. The chemical processes that occur within a living organism in order to maintain life.
C. The process in which plants use sunlight to synthesize food. 
D. None of the above.]]> 2017-06-15 13:49:59 UTC https://padlet.com/p0185084/grade10science/wish/176552643 764699 https://padlet.com/p0185084/grade10science/wish/176552780 a) tree rings
b)ice cores
c) coral reefs
d) rocks]]> 2017-06-15 13:50:44 UTC https://padlet.com/p0185084/grade10science/wish/176552780 772324 https://padlet.com/p0185084/grade10science/wish/176552951 a) hotter
b) colder
c) completely covered with water
d) the same as it is now]]> 2017-06-15 13:51:53 UTC https://padlet.com/p0185084/grade10science/wish/176552951 764699 https://padlet.com/p0185084/grade10science/wish/176553426 - Natural processes whereby gases and clouds absorb infrared radiation emitted from Earth’s surface and radiate it, heating the atmosphere and Earth’s surface.  ]]> 2017-06-15 13:54:00 UTC https://padlet.com/p0185084/grade10science/wish/176553426 764699 https://padlet.com/p0185084/grade10science/wish/176553763 - 65% 
- 75%
-33%
50%]]> 2017-06-15 13:55:06 UTC https://padlet.com/p0185084/grade10science/wish/176553763 8181591 https://padlet.com/p0185084/grade10science/wish/176553769 -no seasons]]> 2017-06-15 13:55:08 UTC https://padlet.com/p0185084/grade10science/wish/176553769 duaabidshares https://padlet.com/p0185084/grade10science/wish/176553924 a) CO2
b) continental drift
c) All: continental drift, breaking up of landmasses, and changing amounts of CO2
d) breaking up of large landmasses ]]> 2017-06-15 13:56:02 UTC https://padlet.com/p0185084/grade10science/wish/176553924 629563 https://padlet.com/p0185084/grade10science/wish/176554198 Question 4
Explain the process of photosynthesis.]]> 2017-06-15 13:57:21 UTC https://padlet.com/p0185084/grade10science/wish/176554198 764699 https://padlet.com/p0185084/grade10science/wish/176554368 a) atmosphere
b) hydrosphere
c) lithosphere
d) biosphere
e) trophosphere]]> 2017-06-15 13:58:22 UTC https://padlet.com/p0185084/grade10science/wish/176554368 772324 https://padlet.com/p0185084/grade10science/wish/176554900 a) rise because of melting glaciers and because of expanding water when it gets warmer
b) fall, because hot water evaporates
c) rise, because water expands when it gets warmer 
d) rise, because of melting glacier]]> 2017-06-15 14:01:41 UTC https://padlet.com/p0185084/grade10science/wish/176554900 564371 https://padlet.com/p0185084/grade10science/wish/176555115 Question 3
Which of these are not a cell organelle?
a. Nucleus
b. Mitochondria
c. Liver
d. Cell membrane]]> 2017-06-15 14:03:14 UTC https://padlet.com/p0185084/grade10science/wish/176555115 smacleod20 https://padlet.com/p0185084/grade10science/wish/176555181 1. What is the mass number of a carbon atom that contains six protons, eight neutrons and six electrons.
a) 6
b) 8
c) 14
d) 20]]> 2017-06-15 14:03:43 UTC https://padlet.com/p0185084/grade10science/wish/176555181 duaabidshares https://padlet.com/p0185084/grade10science/wish/176555784 a) flood
b) drought
c) desertification
d) endangering ]]> 2017-06-15 14:07:30 UTC https://padlet.com/p0185084/grade10science/wish/176555784 719397 https://padlet.com/p0185084/grade10science/wish/176555870 Question 5
What is the powerhouse of the cell?
a. Nucleus
b. Mitochondria 
c. Golgi Bodies
d. Cell Membrane]]> 2017-06-15 14:08:00 UTC https://padlet.com/p0185084/grade10science/wish/176555870 835408 https://padlet.com/p0185084/grade10science/wish/176556035 1. Mass number = protons + neutrons, 6 + 8 = 14]]> 2017-06-15 14:09:03 UTC https://padlet.com/p0185084/grade10science/wish/176556035 smacleod20 https://padlet.com/p0185084/grade10science/wish/176556064 What is a pH level? What is the neutral pH level?

]]> 2017-06-15 14:09:16 UTC https://padlet.com/p0185084/grade10science/wish/176556064 smacleod20 https://padlet.com/p0185084/grade10science/wish/176556168 1. Electrons
2. Protons
3. Neutrons
4. 1,3
5. 2,3
6. All of the above
7. None of the above]]> 2017-06-15 14:09:59 UTC https://padlet.com/p0185084/grade10science/wish/176556168 560895 https://padlet.com/p0185084/grade10science/wish/176556740
1. d.
2. d.
3. c.
4. Photosynthesis is the process by which plants, some bacteria and some protistans use the energy from sunlight to produce glucose from carbon dioxide and water. This glucose can be converted into pyruvate which releases adenosine triphosphate (ATP) by cellular respiration. Oxygen is also formed.
5. b.
6. d. (25 cm)
7. a.
8. The Study of living organisms
9. a.
10. c.

]]> 2017-06-15 14:14:05 UTC https://padlet.com/p0185084/grade10science/wish/176556740 719397 https://padlet.com/p0185084/grade10science/wish/176556841 Question 6
How long is the Esophagus?
a. 2 cm
b. 5 cm
c. 15 cm
d. None of the above 
 ]]> 2017-06-15 14:14:42 UTC https://padlet.com/p0185084/grade10science/wish/176556841 764699 https://padlet.com/p0185084/grade10science/wish/176556980 a) satellites, aircrafts, air balloons
b)thermometer, clouds, the air]]> 2017-06-15 14:15:37 UTC https://padlet.com/p0185084/grade10science/wish/176556980 719397 https://padlet.com/p0185084/grade10science/wish/176558223 Question 7
What are the tiny air sacs in the lungs known as?
a. Alveoli 
b. Fungi
c. Sesame
d. Eggs ]]> 2017-06-15 14:22:58 UTC https://padlet.com/p0185084/grade10science/wish/176558223 719397 https://padlet.com/p0185084/grade10science/wish/176559060 Question 8
Define Biology]]> 2017-06-15 14:28:03 UTC https://padlet.com/p0185084/grade10science/wish/176559060 https://padlet.com/p0185084/grade10science/wish/176559075 1. The total pH scale ranges from 1 to 14, with ___ considered to be neutral

2. State some repercussions of a pH level higher than 7 in a body of water.

3.  State some repercussions of a pH level lower than 7 in a body of water.]]> 2017-06-15 14:28:11 UTC https://padlet.com/p0185084/grade10science/wish/176559075 719397 https://padlet.com/p0185084/grade10science/wish/176560438 Question 9
What does not contain a nucleus?
a. Prokaryotes
b. Eukaryotes 
c. both a and c
d. None of the above

]]> 2017-06-15 14:37:32 UTC https://padlet.com/p0185084/grade10science/wish/176560438 719397 https://padlet.com/p0185084/grade10science/wish/176560729 Question 10
What are the stages of Mitosis?
a. Metaphase, Prophase, Anaphas, Telopahse
b. Prohase, Anapahse, Metaphase, Telophase
c. Prophase, Metaphase, Anaphase, Telophase
d. Prophase, Telophase, Metaphase, Anaphase]]> 2017-06-15 14:39:17 UTC https://padlet.com/p0185084/grade10science/wish/176560729