8th Grade Skills Quiz
There is no doubt that you have learned in this year as an 8th grader. How attentive have you been in the class? Take up the quiz below and get to see if you have what it takes to ace the upcoming finals? Take up the quiz below and get to find out for sure. All the best!
- 1.Which of the following scenarios does not involve a chemical change?
- A.
Melting ice
- B.
Burning wood
- C.
Frying eggs
- D.
Rusting metal
- 2.Your family is driving to Forks to attend Bella and Edward's wedding. If you live 800 miles from Forks, and your average driving speed is 60 mph, about how long will the drive take?
- A.
13 hours
- B.
5 hours
- C.
8 hours
- D.
26 hours
- 3.How is a gas different from a liquid or solid?
- A.
The particles in a gas are closer together.
- B.
The particles in a gas move more slowly.
- C.
Both liquids and solids have definite volumes.
- D.
Substances can move between liquid and solid states.
- 4.While riding her bicycle, you little sister goes from a full stop to 9 m/s in 3 minutes. How fast is she accelerating?
- A.
3.0 m/s
- B.
3.0 m/s2
- C.
0.05 m/s
- D.
0.05 m/s2
- 5.Which quality affect an object's inertia?
- A.
The direction in which it is moving
- B.
How much friction it encounters
- C.
Its mass
- D.
Whether or not it is moving
- 6.Bella weighs 50 kg. The swing that she is sitting on weighs 2 kg. How much force will Edward need to push Bella on the swing to make Bella accelerate at 4 m/s2?
- A.
13 N
- B.
25 N
- C.
200 N
- D.
208 N
- 7.When a car skids on ice, what kind of friction is acting on the wheels?
- A.
Icy friction
- B.
Static fricton
- C.
Sliding friction
- D.
Rolling friction
- 8.When Emmet jumps up to make a basket, which force returns him to the ground?
- A.
Mass
- B.
Inertia
- C.
Gravity
- D.
Friction
- 9.Bella wants to know the best location in Charlie's house is best for growing African violets. She has three African violets. She puts one by her window, one by the kitchen window, and one next to Charlie's chair in the living room. Each plant has the same size pot and the same soil, and Bella gives each plant the same amount of water. In this experiment, what is the independent variable?
- A.
Type of plant
- B.
Type of soil
- C.
Plant location
- D.
Amount of water
- 10.For Mr. Banner's class, Bella and Edward have to find out how temperature affects plant growth. Edward already knows the answer, but refuses to tell Bella. Bella thinks that warmer temperatures will promote faster plant growth. She stores four plants of the same type in locations with different temperatures. Edward reminds her to control all the other variables. Bella records the growth of each plant every week for two months. What is the next step that Bella should take?
- A.
Analyze her data
- B.
Test her hypothesis
- C.
Identify the problem
- D.
Form her hypothesis
- 11.Renee thinks her kindergarten students might learn to read faster if she uses a teaching method focused on the sounds different letters make. For two months, she teaches half the class using this method. She keeps teaching the other half of the class by reading aloud with them. What is the control of this study?
- A.
The number of new words the students learned to read
- B.
The two-month time period
- C.
The students Renee reads to
- D.
The students Renee teaches about letter sounds
- 12.The particles in motion around the nucleus of a carbon-12 atom are called _______.
- A.
Quarks
- B.
Protons
- C.
Neutrons
- D.
Electrons
- 13.Carbon-14 differs from carbon-12 in terms of
- A.
Atomic number
- B.
Number of protons
- C.
Number of neutrons
- D.
Number of electrons
- 14.Which type of element is sodium?
- A.
Halogen
- B.
Noble gas
- C.
Alkali metal
- D.
Alkaline earth metal
- 15.Why do we see only one side of the moon?
- A.
The moon is only visible at night.
- B.
The sun only lights one side of the moon.
- C.
The shadow of the earth blocks the other side of the moon.
- D.
The rotation and orbit of the moon take the same amount of time.
- 16.Which of the following planets is closest to the earth?
- A.
Mars
- B.
Saturn
- C.
Mercury
- D.
Neptune
- 17.Before the 1500's, most people believed the center of the universe was ____________.
- A.
The sun
- B.
Earth
- C.
The moon
- D.
A black hole
- 18.What causes a star to shine?
- A.
Energy released from the fusion of hydrogen atoms
- B.
Reflected light from the sun
- C.
A collapse of the core to the point that it has no volume
- D.
Gradual combustion of the elements making up the core
- 19.Before Jacob became a shapeshifter, he weighed 60 kg. He gained 40 kg. How many grams does he weigh now?
- A.
100,000 g
- B.
0.1 g
- C.
0.01 g
- D.
10,000 g
- 20.Which of the following best describes the paths of the planets in our solar system?
- A.
Elliptical
- B.
Circular
- C.
Triangular
- D.
Horizontal
- 21.Which of the following accurately discribes the shape of the earth?
- A.
A circle
- B.
A sphere
- C.
An ellipse
- D.
A parabola
- 22.The density of a substance determines its ________________.
- A.
Texture
- B.
Buoyancy
- C.
Mass
- D.
Conductibility
- 23.All of the following will sink in pure water except ________________.
- A.
Lead
- B.
Edward Cullen (Edward is basically a large mass of solid stone)
- C.
Gold
- D.
Olive oil
- 24.Which of the following stubstances is held together by physical rather than chemical means?
- A.
Water
- B.
Soil
- C.
Oxygen
- D.
Gold
- 25.The periodic table can be divided into three basic categories. Which of the following is not one of the three major categories used on the periodic table?
- A.
Metals
- B.
Alloys
- C.
Nonmetals
- D.
Metalloids
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