Ch 9,10,11 Science

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A substance that cannot be separated into simpler substances by chemical changes is known as which of the following? A compound A mixture An atom D. An element

An element

Which of the following serves as the definition of acceleration? A. The speed of an object B. The changes in velocity of an object C. The direction in which an object is traveling D. The distance an object travels in a given unit of time

B. The changes in velocity of an object

Which of the following is a characteristic of a plant? Can move freely Can produce food internally Possesses excretory organs Responds quickly to environmental changes

Can produce food internally

Which of the following would not be classified as a mammal? Seal Mouse Chicken Bat

Chicken

Which of the following organelles found in cells is considered to be the packing material of the cell? Nucleus Cell membrane Cytoplasm Mitochondria

Cytoplasm

Which of the following describes the result of two ova being fertilized by two sperm? Quadruplets Identical twins Siamese twins Fraternal twins

Fraternal twins

In which of the following arenas does the greatest amount of debate concerning climate change take place? Education Religion Health Politics

Politics

The oxygen the body needs to produce energy from food is contained in the air we breathe, which consists of which of the following percentages of Oxygen and Nitrogen, respectively? 40% and 59% 59% and 40% 21% and 78% 78% and 21%

21% and 78%

The nucleus of a human sperm cell and the nucleus of a human egg cell contain how many chromosomes each? 20 21 22 23

23

Which of the following are vessels that carry blood from the ventricles to various parts of the body? A. Veins B. Arteries C. Ventricles D. Capillaries

Arteries

List each of the 7 body systems.

Digestive system, skeletal-muscular system, respiratory system, nervous system, excretory system, circulatory system, and reproductive system.

Which of the following is a characteristic of Fungi? A. Gains nutrition by absorbing nutrients from surroundings B. Only reproduces sexually C. Stores energy as starch D. Is solely multicelled

Gains nutrition by absorbing nutrients from surroundings

Which of the following is most closely related to Newton's first law of motion? Physical changes always precede chemical changes. If you cause a mass to accelerate, you are not changing its velocity. C. The force of attraction between two masses does not depend on the distance between them. D. If we apply a force to an object that is at rest, the object will apply an equal and opposite force.

If we apply a force to an object that is at rest, the object will apply an equal and opposite force.

Which of the following hold the bones of joints together in the human body? A. Hinges Pivotals Ligaments Balls-and-sockets

Ligaments

Which of the following materials, of which human blood is made, consists of 90% water? Plasma Clotting agent Red blood cell White blood cell

Plasma

Which of the following is a correct statement? A. If you cook an egg you have caused a physical change. B. A piece of iron rusting is an example of a physical change. C. Liquid water changing to solid water is an example of a physical change. D. If you observe a roasting marshmallow turn brown and black, you are observing a physical change

Liquid water changing to solid water is an example of a physical change.

This chapter explores the difference between living and nonliving things. In at least three sentences, describe what distinguishes living things from nonliving things.

Living things are composed of cells, use energy, grow, and reproduce.

Which of the following is not a component of the law of conservation of matter? A. Matter cannot be created Matter cannot be destroyed Matter is made of atoms Matter can change its form

Matter is made of atoms

Which of the following is used to facilitate energy production in your body's cells and then remains in the body? Heat B. Water C. Oxygen D. Carbon dioxide

Oxygen

Which of the following careers could be most closely associated with this chapter? Geologist Paleontologist Optologist Meteorologist

Paleontologist

Which of the following accurately defines atoms? Parts of a molecule Heavy particles having no electrical charge Heavy particles having a positive electrical charge Substances that cannot be separated into simpler substances by chemical changes

Parts of a molecule

Considering just the classification system presented in this chapter, into which of the Kingdoms would you place moss? Plantae Fungi Protista Bacteria

Plantae

Which of the following would be most closely associated with the term voluntary muscle? Skeletal muscle Cardiac muscle A muscle that lines the arteries A muscle that lines the stomach

Skeletal muscle

Which of the following organs is responsible for excreting urea? Skin Lungs Small intestine Large intestine

Skin

The distance an object travels in a given unit of time is known as which of the following? A. Speed Velocity Motion Force

Speed

Which of the following is the best description of a flower's pistil? The male reproductive organ Found at the tip of the stigma The female reproductive organ A green leafy structure that protects the growing flower

The female reproductive organ

Read the following statement and then select the response that properly describe the action of forces: "A book is lying on the lawn on a moonlit night." The book and the earth are repelling The book and the moon are repelling The book is exerting an attractive force on the earth The moon is exerting an attracting force on the book

The moon is exerting an attracting force on the book

Which of the following defines the atomic number of an element? The weight of its protons plus the weight of its neutrons The number of protons it contains The number of shells in which its electrons exist The number of isotopes it has

The number of protons it contains

Which of the following is most closely related to an accurate explanation of why an airplane is able to rise in the air? The pilot's control of the rudder Drag has the effect of increasing thrust The shape of the wings and the manipulation of ailerons both contribute to lift The air pressure above the wing's surface is more than the air pressure below the wing's surface

The shape of the wings and the manipulation of ailerons both contribute to lift

Which of the following provides a definition of homeostasis? The means by which living things respond to stimuli The state of internal balance maintained by all living things The way in which living organisms get rid of their waste products The smallest structural unit of an organism capable of working independently

The state of internal balance maintained by all living things

Which of the following is not a result of natural selection? The coloration of a deer mouse in Nebraska Gray treefrogs living in a wooded habitat in the north Variations such as brown fur color Giraffes with long necks

Variations such as brown fur color

Which food group identified on the U.S. Department of Agriculture's MyPlate guide is the group from which a person should eat the most servings daily? A. Fruits B. Dairy C. Protein D. Vegetables

Vegetables


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