Science 10 Exam Review #2
1. Name the following symbols below:
2. Describe and draw the model of the atom that each scientist proposed:
a) John Dalton
b) JJ Thomson
c) Ernest Rutherford
3. How many protons, neutrons and electrons are in:
a) Potassium atom
b) Chloride ion
4. Draw the Bohr diagram and energy level diagram for a lithium atom.
5. Define:
Ionic compound
Molecular compound
Anion
Cation
Precipitate
6. What color will red or blue litmus paper turn in a(n)
a) Acid
b) Base
7. Identify the type of reaction, predict the products, and write balanced chemical equations for
each, including states of matter.
a) Solid cobalt(III) chloride reacts with aqueous sodium nitrate
b) Solid silver sulfate reacts with solid calcium
c) Strontium bromide decomposes
d) CH4(g) burns
e) Sulfuric acid reacts with sodium hydroxide (neutralization reaction – products are water and a salt)
8. What is the molar mass of bromine?
9. What is the mass of 0.250mol of zinc nitrite?
10. Label the group names for groups 1, 2, 17 & 18, draw in the staircase line, label/colour metals,
non-metals and metalloids
11. Jennifer walks 150 m [E] from her home to the grocery store, then walks another 80 m [E] to the
bank. She then walks back home to put the groceries away, before walking to a friend’s house
for tea, which is 25 m [W].
a) What is the total distance that Jennifer walks?
b) What is her total displacement?
12. A car slows from 22.2 m/s to 8.33 m/s in 7.00s. What is its acceleration?
13. A truck driver is driving 9.00 m/s and decides to accelerate for 8.00 s at a rate of 5.00 m/s2.
What is the truck’s final velocity?
14. Determine which of the following are scalar or vector quantities:
a. Speed
b. Velocity
c. Distance
d. Force
e. Work
15. What is the difference between mass and weight?
16. What will happen to the kinetic energy of an object if the mass is halved and the velocity is
doubled?
17. A girl lifts her 30 kg backpack a through a height of 50 cm. She then carries it 10 m across the
park to the water fountain. How much work has she done?
18. If a 50.0 g ball is released from a height of 10.5 m, what is the speed of the ball as it strikes the
ground?
19. State the function of the organelles on the cell diagram below. Is this a plant cell or an animal
cell?
20. Define:
Active transport
Diffusion
Facilitated Diffusion
Osmosis
Endocytosis
Exocytosis
Hypertonic
Hypotonic
Isotonic
Plasmolysis
Positive gravitropism
Negative gravitropism
Positive phototropism
Negative phototropism
21. Label the following cross-section of a leaf:
22. Describe how water moves into the roots of a plant, then up to the leaves through the xylem
tissue.