Science JeopardyRound #2

VocabularyMatter &

EnergyForce & Motion

Interactions w/

Living Organisms

Ecosystems

Universe

10 10 10 10 10 10

20 20 20 20 20 20

30 30 30 30 30 30

40 40 40 40 40 40

50 50 50 50 50 50

#1

What term describes the tool used to place common organisms into proper

kingdoms for identification?

#1

Answer:

Classification Key

#2

What term describes the basic unit of life?

#2

Answer:

Cell

#3

What word describes the process that ensures that individuals with certain traits are more likely to survive and

have offspring of the same species?

#3

Answer:

Natural Selection

#4

What word describes the form of the sun’s energy that

actually reaches the Earth?

#4

Answer:

Light

#5

What word describes the result when minerals replace the

soft parts of original organisms after thousands of

years?

#5

Answer:

A Fossil

What particle of an atom has a positive charge?

#6

#6

Answer:

Proton

#7

What three things determine the physical state of matter?

#7Answer:

1. Arrangement of molecules

2. Motion of molecules

3. Interaction of molecules

#8

Complete the sentence:

Chemical changes occur at the _____ level to form new substances with different properties.

#8

Answer:

atomic

#9

Static electricity is what kind of energy stored in a

collection of separated negative and positive

Charges?

#9

Answer:

Potential Energy

#10

What is required to produce changes in matter and to

do work?

#10

Answer:

Energy

#11Complete the following sentence:

Simple machines can be used to change the force on an

object, its

_______ , or its direction of movement.

#11

Answer:

Speed

#12

The overall effect of many forces acting on an object at the same time is called

what?

#12

Answer:

Net Force

#13

What two things determine the change in motion of an

object?

#13

Answer:

Size and direction of

net force

#14

Give two examples of simple machines and explain the

mechanical advantage they provide.

#14Answer:(Any 2)

Lever: reduces the force needed to lift heavy objects

Pulley: reduces the force needed over a larger distance

Wedge: when placed between objects, splits, tightens or secures a hold

Wheel & Axle: reduces frictionInclined plane: reduces the amount of effort required

to move an object from a lower to a higher elevation

Screw: grooved track on shaft reduces effort required to turn object

#15

Complete this sentence:

The ___ the slope of an inclined plane, the easier it is to pull or push an object

up an inclined plane.

#15

Answer:

longer

#16

Green plants are important to animals because the plants ___?

a. Consume food and give off oxygen

b. Consume food and give off carbon dioxide

c. Produce food and give off oxygen

d. Produce food and give off carbon dioxide

#16

Answer:

c. Produce food and give off oxygen

#17

What do the following items have in common?

A fish, a dog, and a bird

#17

Answer:

A backbone

#18

In the food chain, which are the most efficient users of solar energy?

#18

Answer:

Herbivores

#19

When modern disease-controlling medicines and practices are introduced in

developing countries, the first major change is ___?

#19

Answer:

The death rate falls

#20Why were these animals placed in these groups?

Group A Group B

Grasshopper

Deer

Robin

Beaver

Owl

Opossum

Moth

Bat

#20

Answer:

One group is active during the day (diurnal) and one group is

active at night (nocturnal)

#21Snakes feed on mice, mice feed on grain crops.

When grain crops are plentiful, what will most likely happen?

#21

Answer:

The mouse population will increase

#22

Complete the following sentence:

A ____ is where each living organism in the ecosystem

lives.

#22

Answer:

Habitat

#23

Describe what the niche of a toad might be in a garden

ecosystem.

#23

Answer:

The toad’s niche would be to eat bugs that harm plants and

create waste that makes the soil more fertile.

#24

The first step in a food chain is the producers (plants) who convert the sun’s energy into

food for themselves. The next step is a primary consumer that eats the plants

(organism) What do we call the organisms that are then eaten by other organisms?

#24

Answer:

Secondary Consumers

#25How would the following organisms be

organized to show a food chain?

Trout

Algae

Eagle

Minnow

#25Answer:

#26

Earth is the _____

planet from the sun.

#26

Answer:

third

#27

What are the names of the four giant gas planets?

Answer:

Jupiter, Saturn, Uranus, Neptune

#27

#28

What celestial body has the strongest gravitational force in

our solar system?

#28

Answer:

The Sun

#29

What causes the phases of the Moon?

#29Answer:

The amount of the Moon that we can see changes over time in a cyclic period that

repeats itself approximately once a month. The cause of these phases is the relative positions of the Sun, Earth, and Moon. No matter what phase the Moon is in, HALF of it is ALWAYS lit by the Sun. As the Moon moves in its orbit, different portions of it appear to be lit up as we look at it from

Earth.

#30

What advantage does the Hubble Space Telescope have

over all other telescopes?

#30

Answer:

Although it is not the largest ever built, it has the advantage of working outside the Earth’s

atmosphere so that images it receives are not blurred.