FAST 1-2

Astronomy

100

See question 4 page 4

Question 4 page 4

200

Which of the following correctly lists the structures in space from smallest to largest? A. star, galaxy, solar system, universe B. star, solar system, galaxy, universe C. star, solar system, universe, galaxy D. star, universe, solar system, galaxy

B. star, solar system, galaxy, universe

300

Which of the following pictures shows the appearance of the Moon when a solar eclipse occurs?

See pictures page 22-question 25

400

Which of the following diagrams best represents the relationship between galaxies, the universe, and solar systems? See page 5 question 5

See page 5 question 5

500

The solar system containing Earth consists of a sun and planets. Which statement best describes the motion of the planets in our solar system? A. The planets rotate around the sun. B. The sun rotates around the planets. C. The planets revolve around the sun. D. The sun revolves around the planets.

C. The planets revolve around the sun.

Chemistry

100

1. How do the elements magnesium (Mg) and fluorine (F2) produce the compound magnesium fluoride (MgF2)? A. by nuclear connection B. by physically combining C. by magnetic connection D. by chemically combining

D. by chemically combining

200

When 1 gram of water is evaporated, the volume of the water vapor increases but the mass remains constant. Why does the mass of the water remain constant? A. The temperature of the water remains constant. B. The pressure acting on the water remains constant. C. The number of atoms in the water remains constant. D. The distance between water molecules remains constant.

C. The number of atoms in the water remains constant.

300

What is the smallest unit of a chemical compound that still has the properties of that compound? A. a nucleus B. a molecule C. an element D. an atom

B. a molecule

400

When Chemical X is added to a certain liquid, the chemical breaks into Substances Y and Z. It is not possible to break Substances Y and Z into simpler particles. Which statement is best supported by this evidence? A. Chemical X is an element. B. Chemical X is soluble in water. C. Substances Y and Z are elements. D. Substances Y and Z are compounds.

C. Substances Y and Z are elements.

500

Which statement best explains why silver nitrate (AgNO3) is classified as a compound? A. Silver nitrate contains a metal. B. Silver nitrate chemically reacts with copper. C. Silver nitrate forms when three elements chemically combine. D. Silver nitrate forms a solution when mixed with water.

C. Silver nitrate forms when three elements chemically combine.

More Astronomy

100

The period of rotation for each planet in our solar system is different. The period of rotation for Earth is: A. 24 hours B. 28 days C. 13 weeks D. 1 year

A. 24 hours

200

See question 16 page 15

See question 16 page 15

300

Which of the following statements best explain why the tilt of Earth on its axis causes summer to be warmer than winter in the Northern Hemisphere? A. The warm ocean currents flow from the tropics to the Northern Hemisphere in the summer. B. The rays of the Sun strike the Northern Hemisphere more directly in the summer. C. The greenhouse effect increases in the Northern Hemisphere in the summer. D. The Northern Hemisphere is closer to the Sun in the summer.

B. The rays of the Sun strike the Northern Hemisphere more directly in the summer.

400

Which of the following diagrams best shows the relative positions of Earth, the Moon, and the Sun during a lunar eclipse? See page 10 question 10

Page 10 question 10

500

Which statement best describes the sunlight that affects the Northern Hemisphere on May 2? A. Earth is positioned on the hottest side of the sun during the spring. B. Earth is closer to the sun on this date than at any other time of year. C. The tilt of Earth on its axis causes sunlight to strike this area most directly. D. The position of Earth in its orbit causes sunlight to strike the area indirectly.

C. The tilt of Earth on its axis causes sunlight to strike this area most directly.

More Chemistry

100

A student has one liter of feathers and one liter of iron nails. Which statement best compares the masses of the two samples? A. The masses cannot be compared without a balance. B. The mass of the feathers is less than the mass of the nails. C. The mass of the feathers is the same as the mass of the nails. D. The mass of the feathers is greater than the mass of the nails.

B. The mass of the feathers is less than the mass of the nails.

200

A student is given a sample of an unknown liquid to test in the laboratory. The student thinks that the liquid is water. Which of the following physical properties of the sample is most helpful to determine if the liquid is water? A. color of the liquid B. mass of the liquid C. volume of the liquid D. boiling point of the liquid

D. boiling point of the liquid

300

Which of the following is produced when two or more elements combine in a chemical reaction? A. atom B. compound C. mixture D. solution

B. compound

400

See question 19-page 17 A. mass B. weight C. volume D. boiling point

D. boiling point

500

Which of the following is a characteristic of all chemical changes? A. A different state of matter is produced. B. Some mass is converted to energy. C. Some form of light is given off. D. A new material is formed.

D. A new material is formed.

Experiments

100

Scientists perform experiments to test hypotheses. How do scientists try to remain objective during experiments? A. Scientists analyze all results. B. Scientists use safety precautions. C. Scientists conduct experiments once. D. Scientists change at least two variables.

A. Scientists analyze all results.

200

A teacher asks her students the following question: How does the air pressure inside a soccer ball affect the distance the soccer ball travels after the ball is kicked? Which statement below is the best hypothesis for this investigation? A. If a soccer ball is large, then the soccer ball will travel a farther distance than a small soccer ball. B. If a soccer ball has a high internal air pressure, then the ball will travel a farther distance than a soccer ball with less internal air pressure. C. If a soccer ball travels a distance of 15 meters, then the ball is traveling faster than a soccer ball that travels a distance of 20 meters. D. If a soccer ball has 0.5 atmospheres of internal pressure, then the ball will travel slower than a ball with 0.8 atmospheres of internal pressure.

B. If a soccer ball has a high internal air pressure, then the ball will travel a farther distance than a soccer ball with less internal air pressure.

300

Biologists conduct investigations to learn about living organisms. Which method helps reduce bias during an investigation? A. developing a hypothesis after collecting data in the Investigation. B. limiting the amount of background research before the Investigation. C. designing an investigation with repeated trials during the Investigation. D. obtaining other opinions concerning what should happen during the investigation.

C. designing an investigation with repeated trials during the Investigation.

400

Biologists conduct investigations to learn about living organisms. Which method helps reduce bias during an investigation? A. developing a hypothesis after collecting data in the investigation B. limiting the amount of background research before the investigation C. designing an investigation with repeated trials during the investigation D. obtaining other opinions concerning what should happen during the investigation

C. designing an investigation with repeated trials during the investigation

500

See screen shot-question#20 (2007)

See question 20