Science - 3rd Grade Review

What would NOT happen during a volcanic eruption?
1. trees burn
2. habitats are destroyed
3. new rock is formed
4. the sun stops shining
The careful use and preservaton of our natural resources is known as -
1. interdependence
2. conservation
3. pollution
4. habitats
A group of organisms of the same kind that live in the same place is a -
1. community
2. population
3. organism
4. habitat
All of the following could affect the survival of plant and animal species EXCEPT -
1. harmful diseases
2. forest fires
3. clean air
4. soil erosion
Renewable resources are energy sources that -
1. cannot be replaced
2. take millions of years to make
3. are all made of wood
4. can be replaced
Which of these is needed for a rabbit to survive?
1. rocks
2. soil
3. plants
4. dogs
How long does it take the Earth to make one rotation ?
1. 1 hour
2. 24 hours
3. 30 days
4. 365 days
Owls depend on mice for food. Which of the following would NOT happen if a disease killed all the mice in a forest?
1. The owls would fly to another area
2. The owls would lay more eggs
3. Some owls would die
4. Owls would find other animals to eat
Will a magnet attract a copper penny?
1. No
2. Yes
Which of the following is NOT a physical property of an object?
1. address
2. color
3. shape
4. texture
5. weight
What are the three forms of water?
(Check all that apply)
1. solid
2. liquid
3. gas
4. shape
5. weight
What is blocked when a shadow is formed?
1. light
2. water
3. texture
4. sound
Which instrument or tool would you use to examine the skin of a snake?
1. magnifying glass
2. flashlight
3. scale
4. ruler
Which animal group has hair or fur on their bodies?
1. mammals
2. reptiles
3. birds
4. fish
What type of motion does a swing on a playground exhibit when pushed?
1. circular
2. zig-zag
3. back and forth
4. straight
What type of motion does a swing exhibit when spun?
1. circular
2. back and forth
3. zig-zag
4. straight
A machine is a device that does work by changing the size or direction of _________.
1. force
2. an object
3. tools
4. a pulley
Force is a push or ____________.
1. pull
2. shake
3. measurement
4. weight
Force may make a resting object move, like a golf club hitting a golf ball. It may also change the direction of an object.
1. true
2. false
Objects may have straight, circular, and back and forth motions when moved by force.
1. true
2. false
There are ______ simple machines that help make work easier.
1. 6
2. 4
3. 5
4. 2
A seesaw is an example of a __________.
1. lever
2. wedge
3. pulley
4. screw
A flagpole uses a __________ to raise the flag up and down.
1. pulley
2. lever
3. inclined plane
4. screw
A slide is an example of an ________________.
1. inclined plane
2. wheel/axle
3. lever
4. fulcrum
A truck uses _______________ to move easier.
1. wheel/axle
2. screw
3. lever
4. pulley
A ______________ works by changing a circular motion into a straight line motion.
1. screw
2. pulley
3. wheel/axle
4. fulcrum
A rapid back and forth motion is called a _____________.
1. vibration
2. roll
3. lift
4. walk
Why do ducks have webbed feet?
1. To help them swim better
2. To help them run faster
3. They are related to the frog family
4. Makes it easier for them to walk on grass
Which of the following animals is NOT a wild animal?
1. Puppy
2. Blue jay
3. Raccoon
4. O'possum
If we did not have this source of heat on earth, humans, animals and plants could not survive.
1. sun
2. moon
3. Mercury
4. coal
What is the largest planet in the Solar System?
1. Jupiter
2. Saturn
3. Pluto
4. Earth
Earth is the ______________planet from the sun.
1. first
2. second
3. third
4. fifth
The planets travel around the sun in a(n) ___________________ orbit.
1. elliptical
2. circular
3. triangular
4. hexagonal
People who explore space are called _______________.
1. astronauts
2. pilots
3. aliens
4. flight attendents
In winter, some animals ________________ in caves or nests until warmer weather arrives.
1. hibernate
2. migrate
3. navigate
4. none of the above
You would be more likely to see a frog in a ________________.
1. swamp
2. desert
3. forest
4. tundra
In what season will animals shed their winter coats to prepare for warmer weather?
1. Spring
2. Summer
3. Winter
4. Fall
In a rainforest habitat, the weather will be ________________.
1. warm and humid
2. cold and rainy
3. mild
4. hot and dry
How can people help protect the natural resources?
1. Recycle newspapers
2. Drink less water
3. Stop watching television
4. Have bake sales to raise money
How can land be protected to provide homes for animals?
1. Set aside areas for parks and wildlife refuges.
2. Spray with chemicals.
3. Grow taller trees.
4. Build more roads.
Which of the following does NOT pollute our air?
1. apple trees
2. automobiles
3. airplanes
4. factories
A lion that eats hyenas and zebras is an example of a _________________.
1. carnivore
2. herbivore
3. omnivore
4. s'mores
A squirrel that eats nuts and seeds is an example of a _____________.
1. herbivore
2. s'mores
3. carnivore
4. omnivore
A grizzly bear that eats fish and fruit is an example of a _____________.
1. omnivore
2. herbivore
3. carnivore
4. s'mores
A killer whale that eats seals and penguins is an example of a ______________.
1. carnivore
2. omnivore
3. herbivore
4. s'mores
The sun heats the water from rivers, lakes, and ponds. Then the water changes into ___________.
1. water vapor
2. salt
3. heat
4. mountains
A storm or sudden frost can ______________ plants.
1. hurt
2. help
3. make
4. grow
What products do we get from plants?
1. cotton, medicine
2. heat and cold
3. sun, metal
4. ponds, rivers
Metamorphosis is when an animal goes through changes and looks different as an adult than it did when it was younger. Which animal pair is an example of this life cycle?
1. caterpillar - butterfly
2. cub - bear
3. puppy - dog
4. guppy - fish
Which is an example of a positive change to a habitat?
1. planting trees in a park
2. cutting down trees to build a highway
3. draining a wetland to build houses
4. pouring chemicals into a stream
When snow, rain, sleet or hail fall to the surface of the earth, it is called _____________.
1. precipitation
2. condensation
3. evaporation
4. medication
Some animals must change their environment during the winter because it is cold. Which example is the change of environment that occurs during migration?
1. a flock of birds moving south for the winter
2. a bear sleeping through the winter
3. a bug blending in with a leaf
4. a squirrel storing nuts in a tree
A piece of land that has many trees, plants and a water source, is an environment that would ________________.
1. offer food and shelter to animals
2. be a good place for a garbage dump
3. offer no food or shelter for animals
4. be a good place to build a shopping mall
Some objects vibrate when ________________
1. hit
2. twisted
3. lifted
4. spun

Science - 3rd Grade Review

Multiple-Choice ExerciseContent © 2004 Tami Maloney; Author of Activity: Tami Maloney; All rights reserved. No commercial, for-profit use of this material is allowed. E-mail comments and questions to Tami Maloney.

Multiple-Choice Exercise
Content © 2004 Tami Maloney; Author of Activity: Tami Maloney; All rights reserved. No commercial, for-profit use of this material is allowed. E-mail comments and questions to Tami Maloney.