Science
Unit 1: Plants and Animals
Plants Are Living Things; Parts of Plants; Plants Make New Plants; Everyone Needs Plants; All Kinds of Animals; Animals Meet their Needs; Animals Grow and Change.
Vocabulary for Unit 1:
1. minerals- bits of rock and soil that break down
2. flower- the part of a plant that makes seeds
3. fruit- the plant part that grows around seeds
4. seeds- the plant part that can grow into new plant
5. pollen- the powder inside a flower that can make seeds grow
6. life cycle- shows how a living thing grows, lives, and dies
7. oxygen- a gas made by plants that is found in the air we breathe
8. mammals- animals with hair or fur that breathe with body parts called lungs
9. reptiles- animals with dry, scaly skin
10. amphibians- animals that start their lives in the water
11. prey- an animal that is being hunted
12. food chain- the order in which living things need each other for food
13. shelter- a place where an animal can live and be safe
14. larva- the stage in the life cycle of a butterfly when the insect is a caterpillar
15. pupa- the stage in the life cycle of a butterfly when a caterpillar spins a cocoon around itself
Unit 2: Homes for Plants and Animals
Where Plants and Animals Live; Life in a Woodland Forest; Life in a Rain Forest; Life in a Desert; Life in the Arctic; Life in a Fresh Water Habitat; Life in a Salt Water Habitat; Caring for Earth's Habitats
Vocabulary:
1. habitat- a place where plants and animals can meet their needs
2. woodland forest- a habitat that gets enough rain and sunlight for trees to grow well
3. migrate- to move to another place
4. rain forest- a habitat that gets rain almost every day
5. desert- a dry habitat that gets very little rainfall
6. Arctic- a very cold place near the north pole
7. pond- a fresh water habitat in which the water stays in one place
8. stream- a fresh water habitat with moving water
9. ocean- a large, deep body of salt water
10. food web- a group of several food chains that are connected
11. pollution- waste that harms land, water, or air
12. recycle- use waste to make new things that can be used again
Unit 3: Changes on
Earth
Water and Our Weather; Earth Can Change Slowly; Earth Can Change Quickly; Clues in Rocks; Putting the Clues together; Life on Earth Changes
Vocabulary:
1. evaporate- to change into a gas
2. water vapor- water that goes into the air
3. condense- to change into a liquid
4. water cycle- the movement of water between the ground and the sky
5. precipitation- water falling from the sky as rain, snow, or hail
6. erosion- when worn down rocks are carried away
7. earthquake- the shaking of the ground caused by shifting of Earth's crust
8. landslide- a sudden movement of soil down a hill
9. volcano- a mountain formed when hot, melted rock bursts through the surface and builds up
10. fossil- remains of something that lived long ago
11. paleontologist- a scientist who studies things that lived long ago
12. skeleton- a full set of bones
13. extinct- when a living thing dies out so that there are no more of its kind living on Earth
14. endangered- in danger of becoming extinct
Unit 4: The Sun and Its
Family
Day and Night; Seasons; The Moon; The Moon Changes; Stars; Planets
These sites offer information and games about our Solar System:
Memory Game: http://science.discovery.com/interactives/memory/solarsystem/solarsystem.html
Make a Solar System: http://www.kidsastronomy.com/fun/make-a-solar-system.htm
Exploring the Planets: http://www.nasm.si.edu/research/ceps/etp/etp.htm
Hangman: http://www.kidsastronomy.com/fun/hangman.htm
Explore the Planets: http://www.siec.k12.in.us/west/proj/space/solar1.htm
Order the Planets Quiz: http://www.quia.com/pp/3373.html
Planets: http://www.purposegames.com/game/161
Jigsaw: http://www.bbc.co.uk/science/space/playspace/games/jigsaw/jigsaw.shtml
Solar System Switch-a-Roo: http://spaceplace.nasa.gov/en/kids/sse_flipflop.shtml
Vocabulary:
1. rotates- spins
2. axis- a line through the center of a spinning object
3. Sun- the closest star to Earth
4. orbit- the path an object takes as it moves around another object
5. equator- an imaginary line across the middle of Earth that separates the northern part from the southern part
6. Moon- a ball of rock that travels around Earth
7. craters- large holes on the surface of the Moon
8. phases- a change in the Moon's shape as we see it from Earth
9. star- a hot ball in the sky that makes its own light
10. constellation- a star pattern that makes a picture
11. solar system- the Sun, nine planers, and all of their moons
12. planet- a huge object that travels around the sun
Unit 5: Matter and
Energy
Matter All Around; Three States of Matter; Changing Matter; Hear; Light; Sound
Vocabulary:
1. matter- anything that takes up space and has mass
2. mass- the amount of matter in an object
3. property- tells you something about an object
4. temperature- measures how warm something is
5. solid- a state of matter that has a shape of its own
6. liquid- a state of matter that takes the shape of its container
7. volume- the amount of space that something takes up
8. gas- a state of matter that spreads out to fill its container
9. physical change- a change in the size or shape of matter
10. chemical change- a change in matter that makes new matter
11. energy- the power to make matter move or change
12. heat- a kind of energy that can make something melt or boil
13. fuel- something that gives off heat when it burns
14. light- a kind of energy that lets us see
15. reflect- when light bounces off an object
16. refraction- when something bends light
17. sound- a kind of energy that you hear
18. pitch- how high or how low a sound it
19. vibrate- the way a musical instrument makes its sounds
Unit 6: Watch It Move
Pushes and Pulls; Forces and Change; Levers; Ramps; All About Magnets; Everyday Magnets
1. force- a push or a pull that makes something move or change direction
2. gravity- a force that pulls things toward Earth
3. friction- a force that slows down moving things
4. simple machine- something that uses force to make work easier
5. lever- a simple machine made of a bar that rests on a fixed point
6. fulcrum- the fixed point on which a lever rests
7. ramp- a simple machine with a slanted surface
8. attract- to pull
9. poles- the ends of a magnet where the pull is strongest
10. magnetic field- the area around a magnet where its force pulls
11. compass- a tool with a magnetic needle that always points to Earth's North Pole
12. repel- the same poles of two different magnets push away from each other