ELECTRICITY AND MAGNETISM WINTER/ SPRING 2009 Grade 4 Science Review

ELECTRICITY AND

MAGNETISM

WINTER/SPRING 2009

Grade 4 Science Review

Directions:

You must choose the best answer for each question. Some are multiple choice while others are fill in the

blanks. Press SPACE to find out the correct answer.

Press SPACE to move to the next slide

Are you ready?

FIRST CATEGORY:

Electricity and Magnetism


Category: Electricity and Magnetism

1. If you had two magnets lined up like the ones below, they would

a. attract

b. split

c. melt

d. repel Press SPACE to find out the correct answer.



1. If you had two magnets lined up like the ones below, they would

d. repel

b. split

c. melt

a. attract

Press SPACE to find out the correct answer. Press SPACE to move to the next

slide


1. Which items would be attracted to the magnet below?


slide



slide

What substance do the paperclip and

weight contain that make them

attract to magnets?

______________. IRON


Look at the box to the left and

predict whether the bulb will or will not light. ______________.

It will NOT light


slide


Name the type of circuit in the

diagram to the left.

______________.

INCOMPLETECIRCUIT


slide


Predict whether the bulb to the left will light or not.

______________. It WILL light


slide


The circuit to the left is called a

______________ circuit.

CLOSED/COMPLETE


slide


Although one bulb is broken in the

circuit, the other bulb still lights.

This is an example of a

______________ circuit.

PARALLEL


slide


1. Which items below act as conductors of electricity?


slide

COPPER WOOD SALT WATER

GLASS

http://images.google.com/imgres?imgurl=http://www.germes-online.com/direct/dbimage/50167605/Copper_Rods.jpg&imgrefurl=http://www.germes-online.com/catalog/17/15/600/140734/sell_copper_rod.html&usg=__uADvEzJstd_A5mJrXOZ7w126-m8=&h=360&w=360&sz=13&hl=en&start=55&tbnid=9OMkLKDTaZQYiM:&tbnh=121&tbnw=121&prev=/images?q=copper&start=40&gbv=2&ndsp=20&hl=en&safe=active&sa=N


1. Which items below act as insulators of electricity?


slide

PLASTIC TOY

RUBBER TIRE

IRON GLASS


1. Which is a RENEWABLE way to generate electricity?

a. Hydroelectricity (water powered turbines for generators)

b. Solar Panels

c. Windmill Turbines

d. All of the above Press SPACE to find out the correct answer.



1. Electrical energy can be transformed into:

b. heat, light, sound and/or motion energy

a. water, gasoline and hydrogen

c. glass, steel, gold and silver

d. liquids, solids and gasses Press SPACE to find out the correct answer.



If we hook up a battery to a magnet, we have justcreated a more powerful magnet called a/an:

c. electromagnet

a. electro-circuit

b. super magnet

d. static magnet


slide

Want to review more?

SECOND CATEGORY:

Water Cycle and Landforms


Category: Water Cycle and Landforms

If you add heat to liquid water, it will start to:

a. evaporate

b. condense

c. melt

a. freeze Press SPACE to find out the correct answer.



Look at the box to theleft with the questionmarks. Once watervapor rises in the

atmosphere and cools,it turns to liquid. This

process is called _______________. CONDENSATON


slide

??????????


The low, V-shaped areas

between mountains are

called ________. VALLEYS


slide


Look at the box to theleft with the questionmarks. Once liquidwater is heated, it

turns into vapor andrises. This

process is called _______________.

EVAPORATION


slide

??????????


The landform atthe left with

steep sides and a flat top is

called a ________. PLATEAU


slide


Look at the box to theleft with the questionmarks. Liquid or solid

water gets too heavy toremain in the

atmosphereand falls to the surface of

the earth. Thisprocess is called ________________.

PRECIPITATION


slide

??????????


Look at the diagram to the left. What is causing the MOST

erosion on the mountain?

______________. A GLACIER


slide

??????????


1. Weathering is:

a. the breaking up of rocks into smaller bits of rock, sand and sediment due to freezing, plant roots, chemical changes and gravity.

b. the movement of small bits of rock by forces such as water, wind, gravity and tides.

c. when precipitation falls from the sky

d. when storms form due to warm and cold air colliding


slide


When a river carries anddeposits sediment at itsmouth, it forms a:

a. delta

b. dune

c. dell

d. dip

Press SPACE to find out the correct answer. Press SPACE to move to the next slide


1. Erosion is:

d. the movement of rock, sand and sediment by forces such as water, wind, gravity and tides.

b. when water freezes and breaks up bits of rock c. the attraction force between magnets

a. the breaking up of rocks into smaller bits of rock, sand and sediment


slide


1. If you take away heat from water vapor, it will cool and form into liquid. This process is called:

b. condensation c. melting

d. collection

a. evaporation


slide


Look at the picture to the

left. What force is causing the

MOST erosion? ____________. SEA WAVES


slide

??????????


The landform atthe left with

steep sides and a peak is called

a ________.

MOUNTAIN


slide

Almost done!

THIRD CATEGORY:

Living Organisims and Their

EnvironmentPress SPACE to move to the next

slide

Category: Living Organisms and Their Environment

A dolphin’s blowholemakes it possible for it tobreathe air at the surfaceof the water. This is anexample of a/an:

b. physical adaptation

a. hibernation

c. behavioral adaptation

d. camouflage Press SPACE to find out the correct answer. Press SPACE to move to the next

slide

Polar bear cubs stay withtheir mother until theyare around three yearsold. This is an exampleof:

a. behavioral adaptation

b. physical adaptation

c. migration

d. camouflage Press SPACE to find out the correct answer. Press SPACE to move to the next

slide


The toad in thepicture has developedwhat kind of

adaptation?

d. physical adaptation

b. behavioral adaptation

c. mental adaptation

a. chemical adaptation



The leaf in the foodchain to the right is

anexample of a/an:

c. producer

a. consumer

b. prey

d. predator



Which animal BEST

fits in the middle ofthis food web?

d. fox

b. horse

c. lion

a. shark



?

The worm in the foodchain to the right is

anexample of a/an:

b. primary consumer

c. predator

d. producer

a. secondary consumer



The animals to theright are examples

of:

d. carnivores

b. vegetarians

c. herbivores

a. omnivores



The food chain to theright is an example ofa/an______________food chain.

c. marine

a. terrestrial

b. wetland

d. urban Press SPACE to find out the correct answer. Press SPACE to move to the next

slide


The animals to the right

are examples of:

c. omnivores

a. herbivores

b. carnivores

d. reptiles



The bird (not the owl) in

the food chain to theright is an example

ofa/an:

d. secondary consumer

b. primary consumer

c. producer

a. tertiary consumer



The animals to the right

are examples of:

c. herbivores

a. omnivores

b. carnivores

d. predators



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ELECTRICITY AND MAGNETISM WINTER/ SPRING 2009 Grade 4 Science Review