Integrated Science Spring Final

Question 1

The forces acting on a falling leaf are

Accepted Answer

weight and air resistance.

Question 2

Objects in free fall near the surface of the Earth experience

Accepted Answer

constant acceleration.

Question 3

The phase change in which a substance changes from a liquid to a gas is

Accepted Answer

vaporization.

Question 4

The rate at which velocity changes is called

Accepted Answer

acceleration.

Question 5

A small, intense storm formed when a vertical cylinder of rotating air develops is a

Accepted Answer

tornado.

Question 6

Speed is the ratio of the distance an object moves to

Accepted Answer

the amount of time needed to travel the distance.

Question 7

Day and night are caused by Earth's

Accepted Answer

rotation.

Question 8

A substance that has high reactivity

Accepted Answer

easily combines chemically with other substances.

Question 9

Most of Earth's liquid fresh water is found in

Accepted Answer

groundwater.

Question 10

A description of the pattern of weather over many years is a region's

Accepted Answer

climate.

Question 11

Which of the following is a heterogeneous mixture?

Accepted Answer

a jar of mixed nuts

Question 12

In general, if the temperature of a chemical reaction is increased, the reaction rate

Accepted Answer

increases.

Question 13

What is the speed of a bobsled whose distance-time graph indicates it traveled 100 m in 25 s?

Accepted Answer

4 m/s

Question 14

An object moves 100 m in 4 s and then remains at rest for 6 s. What is its average speed?

Accepted Answer

10 m/s

Question 15

The Periodic Table is composed of horizontal rows and vertical columns. Which is correct?

Accepted Answer

A row is a period, and a column is a group.

Question 16

The property of matter that resists changes in motion is called

Accepted Answer

inertia.

Question 17

A series of processes in which rocks are continuously changed from one type to another is

Accepted Answer

the rock cycle.

Question 18

During which phase change does the arrangement of water molecules become more orderly?

Accepted Answer

freezing

Question 19

Which is a balanced chemical equation for the synthesis of NaBr from Na and Br2?

Accepted Answer

2Na + Br2 --> 2NaBr

Question 20

An element's atomic number is the number of

Accepted Answer

protons.

Question 21

Caves are formed by erosion from

Accepted Answer

groundwater.

Question 22

The theory that continents move slowly over Earth's surface and once were one supercontinent is

Accepted Answer

continental drift.

Question 23

Deposits formed from windblown sand are called

Accepted Answer

dunes.

Question 24

A car traveled 60 km in 2 hours, 84 km the next 1 hour, and 68 km in 2 hours. Average speed?

Accepted Answer

42 km/h

Question 25

Which of the following describes changing conditions in the ocean as depth increases?

Accepted Answer

pressure increases, light decreases, temperature decreases

Question 26

Which of the following is a physical change?

Accepted Answer

sawing a piece of wood in half

Question 27

Rocks are classified as

Accepted Answer

igneous, metamorphic or sedimentary.

Question 28

The three main layers of Earth's interior are the

Accepted Answer

crust, mantle and core.

Question 29

An open parachute increases air resistance of a falling sky diver by

Accepted Answer

increasing surface area.

Question 30

Your weight equals your

Accepted Answer

mass times the acceleration due to gravity.

Question 31

Which of the following is NOT always true about a synthesis reaction?

Accepted Answer

There is only one reactant.

Question 32

Geologists could use what to compare the age of sedimentary rock layers in different canyons?

Accepted Answer

all of the above

Question 33

Stress in Earth's crust is caused by

Accepted Answer

plate movements.

Question 34

A substance that is made up of only one kind of atom is a(an)

Accepted Answer

element.

Question 35

As an astronaut travels far away from Earth, her weight

Accepted Answer

decreases because gravity decreases.

Question 36

What is the acceleration of an object moving at 30 m/s that takes 5 s to come to a stop?

Accepted Answer

-6 m/s2

Question 37

The tendency of an element to react is closely related to

Accepted Answer

the number of valence electrons in atoms of the element.

Question 38

What gas makes up about 78 percent of dry air?

Accepted Answer

nitrogen

Question 39

As you push a cereal box across a tabletop, the sliding friction acting on the cereal box

Accepted Answer

acts in the direction opposite of motion.

Question 40

Which of the following is an example of erosion?

Accepted Answer

all of the above

Question 41

As Earth completes one orbit around the sun, it has completed one

Accepted Answer

both year and revolution.

Question 42

A horizontal line on a distance-time graph means the object is

Accepted Answer

at rest.

Question 43

Which of the following climate changes is likely to be affected by human activities?

Accepted Answer

global climate change

Question 44

Which of the following is a chemical change?

Accepted Answer

water breaking down into hydrogen and oxygen

Question 45

Moving left-right across a row of the periodic table, which value increases by exactly one?

Accepted Answer

atomic number

Question 46

Which element is found in most of the compounds in your body except for water?

Accepted Answer

carbon

Question 47

The study of Earth's composition, structure and history is called

Accepted Answer

geology.

Question 48

As altitude increases,

Accepted Answer

air pressure and density decrease.

Question 49

An object that is accelerating may be

Accepted Answer

all of the above.

Question 50

What is the momentum of a 50-kg ice skater gliding across the ice at a speed of 5 m/s?

Accepted Answer

250 kg·m/s

Integrated Science Spring Final

Questions 50

Integrated Science Spring Final

Questions 50