Transcript SOL 6.1 39. What is the mass of the rock? a. 335.6 g b.
SOL 6.1
39. What is the mass of the rock?
a.
b.
335.6 g 350.6 g c.
d.
354.6 g 356.0 g Answer: C
SOL 6.1
40. The picture shows the results of putting a drop of orange ink from a marking pen on a piece of filter paper and allowing the colors in the ink to separate. About how much farther on the filter paper has the yellow pigment moved than the red pigment?
a.
b.
0.5 cm 1.6 cm c.
d.
2.7 cm 3.5 cm Answer: B
SOL 6.2
30.
Fossil fuels such as gas, oil, and coal have what kind of energy?
a. Mechanical energy b. Chemical energy c. Electrical energy d. Nuclear energy Answer: B
SOL 6.2
28. What type of energy does the windmill use to do work?
a.
b.
Mechanical Nuclear c. Chemical d. Electrical Answer: A
SOL 6.2
31.
Water stored behind a dam is an example of what type of energy?
a. Kinetic b. Potential c. Solar d. Chemical Answer: B
SOL 6.2
34.
Which of the following could best be used to demonstrate energy being transformed from electricity to heat?
a. A magnifying glass b. A triple beam balance c. A toaster d. A gas oven Answer: C
SOL 6.2
47.
Which of the following is an example of kinetic energy?
a.
b.
A baseball moving from c.
the pitcher to the catcher A rock sitting on the top of a large hill d.
A pendulum at the top of its swing A new flashlight battery Answer: A
SOL 6.2
44.
Because burning fossil fuels creates much pollution, alternatives are being investigated. What might limit the use of wind as a major energy source?
a.
The strength of the wind varies.
b.
Wind machines have huge blades to capture the wind.
c.
d.
Turbines and generators in the wind machines create electricity.
Wind power does not create pollution.
Answer: A
SOL 6.3
33.
Insulation materials reduce heat loss because they -
a. are poor conductors b. block out the sun c. reduce evaporation d. promote convection Answer: A
SOL 6.3
29.
After fishing in the ocean, a student left his fishing gear in the sun to dry. Later, he noticed that small white crystals had formed on the rod, reel, and fishing line. Which of these is the best explanation of what occurred?
a. The water evaporated from the fishing gear, and sand was attracted to it.
b. The fish that were caught left scales on the fishing gear.
c. The salt in the ocean water reacted with the fishing gear and caused it to rust.
d. The water evaporated from the fishing gear, and salt from the ocean was left behind.
Answer: D
SOL 6.4
38. The atom is composed of electrons, protons, and neutron. What is the electric charge on the neutron?
a.
b.
-1 +1 c.
d.
0 +2 Answer: C
SOL 6.4
43.
Mercury is a liquid metal that is used in many thermometers. The mercury in the thermometer rises because it -
a.
b.
is sucked upward by vacuum expands when heated c.
is compressed by air pressure d.
increases in density when heated Answer: B
SOL 6.4
32.
Which process is a physical change?
a.
b.
Rusting iron Burning coal c. Tarnishing silver d. Melting ice Answer: D
37. Which of the following elements belongs to the family indicated?
SOL 6.4
a.
b.
Nitrogen blongs to the halogen family.
Helium belongs to the noble gas family.
c.
d.
Calcium belongs to the alkali family.
Sodium belongs to the alkaline earth family.
Answer: B
SOL 6.4
26.
In the chemical formula for ammonia, NH 3 , what does the subscript 3 represent?
a.
b.
The number of nitrogen and c. The number of ammonia hydrogen atoms in each molecules that will bond molecule of ammonia The number of hydrogen atoms in each molecule of ammonia together d. The number of nitrogen atoms in each molecule of ammonia Answer: B
SOL 6.4
45.
Which of the following is a physical property of copper?
a.
Ductile, can be drawn into wire b.
Liquid at room temperature c.
Readily reacts with water to form an acid d.
Readily reacts with oxygen Answer: A
SOL 6.4
48.
Which of these is a change in chemical composition?
a.
b.
A lake freezes solid.
Gravel, sand, and water are mixed.
c.
d.
A copper bar is rolled into a flat sheet.
Vinegar bubbles when baking soda is added.
Answer: D
SOL 6.5
36. Which of these will cause water to change to ice?
a.
b.
Removing heat from the water Stirring the water c.
d.
Adding salt to the water Putting the water in the sunlight Answer: A
SOL 6.8
46. At which of these points is it 12:00 noon?
a.
b.
1 2 c.
d.
3 4 Answer: D
SOL 6.8
49. According to this chart, which planet will most likely have the highest temperatures?
a.
b.
Earth Mars c.
d.
Mercury Venus Answer: C
SOL 6.8
50.
The time in which Earth makes one revolution around the sun is approximately on -
a.
year b.
season c.
month d.
day Answer: A
SOL 6.8
41.
The science of astronomy is concerned with the observation and analysis of the movements of celestial objects. The invention of which instrument was most helpful to the advancement of astronomy?
a.
b.
Telescope Microscope c.
d.
Camera Geiger counter Answer: A
SOL 6.8
35.
Venus, the moon, Mars, and the sun are all visible in our sky. All but one of these reflect light from another source. Which of the following produces its own light?
a. Venus b. The moon c. Mars d. The sun Answer: D
SOL 6.8
27. According to the chart, on which planet would a ball fall the fastest?
a. Earth b. Jupiter c.
d.
Neptune Saturn Answer: B
SOL 6.9
42.
There are many reasons why the use of oil needs to be managed carefully. Which of the following is these reasons?
not one of
a.
b.
There are only limited supplies of oil in the Earth.
Oil spills at sea have killed many marine animals.
c.
d.
Burning oil contributes to acid rain and the greenhouse effect.
Oil was created by plants and animals.
Answer: D