Key Vocabulary culture a way of life of a group, or organization, or country. tribe dance. Native Americans the people who were living in North America before Europeans. native born and existing in a particular place or country. hunt to chase and kill animals for their meat or skin. fish to try to catch fish. fishing pole. craftwork work made by special skills. settle to go and live in a place. settle down. ...
Key Vocabulary magnet A magnet a piece of metal that attracts iron or steel. horseshoe. bar. magnetism. strong, weak. pole A pole is one of the two ends of a magnet. attract Attract means to pull toward. repel Repel means to push away. iron Iron is a metal that is used to make many things. steel Steel is a kind of metal that is strong and has iron in it. bolts. screws. ...
Key Vocabulary motion Motion is the act of moving. It is in motion. speed Speed is how fast something moves. force A power that produces a change in a movement. A push or a pull is a force. friction. gravity Gravity is a force that pull things to the ground. pull Pull is a force that moves things closer to you. push Push is a force that moves things away from you. ...
Key Vocabulary electricity Electricity is energy that gives computers and other machines power to work. power plant A power plant is a building that produces electricity for many things or people. nuclear power plant. fuel Fuel is something burned to make heat or power. battery A battery is an object that stores electricity. wire A wire is a long, thin cable that carries electricity. metal, plastic. outlet An outlet is a place on w wall for electricity. ...
Key Vocabulary sound Sound is the energy that you can hear. vibrate Vibrate means to move back and forth quickly. vocal chords. jack hammer. pitch Pitch is how high or low a sound is. high/low pitched sound. yell Yell means to shout. Don’t yell/shout. yell at each other. volume Volume is how loud or soft a sound is. increase/descrese sound. turn the volume up/down. speak up. whisper Whisper means to speek quietly or softly. volume. ...
Key Vocabulary light Light is the energy that makes it possible to see things. dark Dark means with no or very little light. shadow A shadow is the dark place made when an object blocks light. Casts a shadow. streetlight A streetlight is a lamp on the street. pass Pass means to go through. light pass through prism. sunglasses Sunglasses are dark glasses that protect your eyes from the Sun. ...
Key Vocabulary heat Heat is a kind of energy that make things hot. energy Energy is power that makes things work or cause change. warm Warm means to make something hot. rub Rub means to move two things together quickly. stove A stove is apiece of kitchen equipment that cooks food using heat. lamp A lamp is a device that uses electricity to produce light. Visual Summary Heat Sources Source picture sun fire light rubbing hands Exercise Match each word with its definition: ...
Key Vocabulary star A star is a bright object in the sky that makes its own light. sun The Sun is the star closest to the Earth. The Sun gives us light and warmth. moon The moon is the round object that moves around the Earth. planet A planet is an object that moves around the Sun. rotate Rotate means to spin. Day and night happen when the Earth rotates. clockwise. counterclockwise. ...
Key Vocabulary season A season is any of the four main periods of the year. spring Spring is the season between winter and summer. flowers bloom. spring/jump out. summer Summer is the warmest season of the year. It comes after spring. fall Fall is the season between summer and winter. many plants bear fruit. harvest. winter Winter is the clodest season of the year. It comes after fall. daylight Daylight is the light that comes from the sun during the day. ...
Key Vocabulary cycle A cycle is a series of events being repeated many times. cloud A cloud is many drops of water that are together in the sky. evaporate Evaporate means to change from water to water vapor. condense Condense means to change from water vapor to water drops. water vapor Water vapor is the water that goes up into the air as a gas. drop A drop is a small amount of water. ...