Question 1

The small leaves that form around the developing flower are the:

Accepted Answer

sepals

Question 2

Who invented the light bulb:

Accepted Answer

Thomas Edison

Question 3

Which plant part takes in water and nutrients?

Accepted Answer

roots

Question 4

Which part supports the plant and allows the movement of water and nutrients?

Accepted Answer

stem

Question 5

Which plant part makes food for the plant?

Accepted Answer

leaves

Question 6

The seed forms in the female reproductive part of the flower called the

Accepted Answer

pistil

Question 7

Pollen forms on the ends of the male reproductive parts of the flower called the:

Accepted Answer

stamen

Question 8

Most plants reproduce with seeds, but ferns and mosses reproduce with:

Accepted Answer

spores

Question 9

Green plants produce their own food in a process called:

Accepted Answer

photosynthesis

Question 10

Plants are green because of:

Accepted Answer

chlorophyll

Question 11

Many plants enter a period of ______ in the winter, which is similar to hibernation for animals. During this period most of their normal activities stop.

Accepted Answer

dormancy

Question 12

An organism's _____ provides food, water, shelter and space.

Accepted Answer

habitat

Question 13

All energy comes from the_____ , and then cycles through the food webs to all of the animals in the community.

Accepted Answer

sun

Question 14

_______ get energy directly from the sun and use it to make food.

Accepted Answer

plants

Question 15

Because plants produce their own food, they are called ___________ .

Accepted Answer

producers

Question 16

Organisms that get their energy from eating plants or other animals are called:

Accepted Answer

consumers

Question 17

All of the interrelated food chains in an ecosystem make up a:

Accepted Answer

food web

Question 18

Food chains and food webs always start with a:

Accepted Answer

plant

Question 19

The food chain starts with a producer (a plant) and ends with a:

Accepted Answer

decomposer

Question 20

Decomposers like ______ break down organisms and recycle them back to the nutrient pool.

Accepted Answer

fungi

Question 21

All of the living and nonliving things in an environment make up an:

Accepted Answer

ecosystem

Question 22

the role an oraganism plays in its environment

Accepted Answer

niche

Question 23

All organisms have _________ that allow it to survive in its environment

Accepted Answer

adaptations

Question 24

Structural adaptations are __________ that help an organism survive, like long beaks, webbed feet, camouflage.

Accepted Answer

body parts

Question 25

Behavioral adaptations are things that organisms do to survive. Two examples of behavioral adaptations are:

Accepted Answer

Migration and hibernation

Question 26

The measure of the amount of heat energy in the atmosphere is:

Accepted Answer

temperature

Question 27

The amount of moisture in the air is:

Accepted Answer

humidity

Question 28

The weight of the air causes:

Accepted Answer

air pressure

Question 29

Objects in motion have ______ energy.

Accepted Answer

kinetic

Question 30

Potential energy is ________ energy.

Accepted Answer

stored

Question 31

Due to the pull of gravity, the higher an object is off the ground, the more ____________ it has.

Accepted Answer

potential energy

Question 32

When I hold a ball in the air, it has potential energy. When I let go, the ball starts to fall. Potential energy changes to:

Accepted Answer

kinetic energy

Question 33

Potential energy is ________ energy.

Accepted Answer

stored

Question 34

There are many forms of energy. Energy caused by the movement of electrons is:

Accepted Answer

energy

Question 35

Energy stored in food, batteries and fossil fuels like coal and gasoline is:

Accepted Answer

chemical energy

Question 36

Energy in moving or spinning objects like gears, car wheels, or joggers, is _______ energy:

Accepted Answer

mechanical

Question 37

Two objects rubbing together create:

Accepted Answer

friction

Question 38

Friction resists or stops motion, and creates:

Accepted Answer

heat

Question 39

Unless acted on by a force, objects in motion tend to stay in motion and objects at rest remain at rest. This is the principal of:

Accepted Answer

inertia

Question 40

Which will light a bulb, an open or closed circuit?

Accepted Answer

closed circuit

Question 41

If your string of holiday lights goes dark when one little bulb burns out, the string of lights is a:

Accepted Answer

series circuit

Question 42

This circuit has more than one pathway for the flow of electrical current. If one bulb burns the others will remain lit. It is a:

Accepted Answer

Parallel circuit

Question 43

Electrical energy moves easily through materials that are

Accepted Answer

conductors

Question 44

Wires are usual made from ____ because it conducts electricity well.

Accepted Answer

metal

Question 45

Material like rubber, plastic and wood do not conduct electricity well. They are:

Accepted Answer

insulators

Question 46

Magnetism and _______ are very closely related.

Accepted Answer

electricity

Question 47

An electric current creates a magnetic field, and a magnetic field creates an _________

Accepted Answer

electric current

Question 48

If you wrap wire around a nail and run electricity through the wire, you have created an:

Accepted Answer

electromagnet

Question 49

If you rub your feet on the carpet, or rub a balloon on a wool sweater, you may create:

Accepted Answer

static electricity

Question 50

Static electricity occurs when negatively charged _____ are rubbed off of one surface and on to another.

Accepted Answer

electrons

Question 51

Pollen is transferred from the stamen to the pistil in a process called:

Accepted Answer

pollination

Question 52