2nd Grade Science
Plants and Animals
Earth
Cycles
Simple Machines
100
Hail during a storm describes this state of matter.
What is solid?
100
Mold, which can be found growing on old bread, is know as this in the food chain.
What is a decomposer?
100
This layer of soil is at the bottom. It is made up of rock.
What is bedrock?
100
A series of events that is repeated.
What is a cycle?
100
The six simple machines.
What are inclined plane, wedge, screw, lever, pulley and wheel/axle?
200
This describes anything that has mass and takes up space.
What is matter?
200
A viceroy butterfly copies the pattern of the monarch butterfly because the monarch tastes bad and birds learn not to eat it. This is an example of this type of adaptation.
What is mimicry?
200
The process of moving weathered rocks and soil by wind, water or ice is called this.
What is erosion?
200
This is the star that gives Earth heat and energy.
What is the sun?
200
This is an inclined plane wrapped around a pole which holds things together or lifts materials.
What is a screw?
300
Thermometer, rain gauge, and weather vanes are used to measure and record this.
What is weather?
300
Once sea turtles hatch on a beach, they immediately move toward the ocean. That is known as this type of behavior.
What is instinct?
300
This is the type of rock that used to be hot magma and was formed deep under the earth.
What is igneous?
300
This is Earth's natural satellite.
What is the moon?
300
This is a stiff bar that rests on a support called a fulcrum which lifts or moves loads.
What is a lever?
400
Hurricanes, tornadoes, blizzards and thunderstorms are examples of these.
What are storms?
400
This is the correct order of changes that happen to a plant in the spring (4 stages).
What is seed --> seedling --> young plant --> adult plant/flowering plant.
400
A type of scientist who studies weather is called this.
What is a meteorologist?
400
This causes day and night.
What is the rotation of the Earth?
400
is a slanting surface connecting a lower level to a higher lever.
What is an inclined plane?
500
Lodestone or magnetite are examples of these.
What are magnets?
500
This is the best reason why a company would plant trees on a bare hillside.
What is to prevent soil from washing away?
500
This is the step in the water cycle in which clouds are formed.
What is condensation?
500
This causes seasons.
What is the tilt of the Earth?
500
This is an object with at least one slanting side ending in a sharp edge which cuts material apart.
What is a wedge?
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