Characteristics and Structures
Ecosystems
Matter and Energy
Weather
Force and Motion
100

This system includes the heart, blood, arteries, and veins. 

What is circulatory/cardiovascular?

100

This type of animal usually eats both plants and animals. 

What is an omnivore?

100

This would be the total mass if two liquids are poured together, and a solid substance forms with no liquid remaining. Liquid 1 has a mass of 200 grams, and liquid 2 has a mass of 100 grams. 

What is 300 grams?

100

This process occurs when the sun warms water. 

What is evaporation?
100
This best describes why a pencil falls off of a desk and moves to the floor. 

What is gravity?

200

These two body systems both absorb gases or nutrients into the body.

What are the digestive system and circulatory system?

200

This is why estuaries are different from ponds, lakes, and oceans. 

What is they have both freshwater and salt water?

200

This is a change that students observed a piece of iron change from shiny to rusty. 

What is a chemical reaction?

200
This instrument is best used to predict weather changes. 

What is a barometer?

200

When an object moves from place to place as a result of a force (push or pull). 

What is motion?

300

A zebra's stripes are an example of this kind of trait. 

What is inherited?

300

This will be affected the most if decomposers are removed from an ecosystem. 

What is the quality of the soil?

300

This is what is most responsible for the uneven heating of the air in the atmosphere. 

What is convection?

300

This is what is MOST responsible for the changes in the seasons. 

What is the tilt of Earth on its axis?

300

This causes a wagon to speed up when going down a hill. 

What is gravity?

400

Plants and animals are examples of this type of organism. 

What is multicellular?

400

Bison, prairie dogs, and grasshoppers live in this type of area with fertile soil and tall grasses.

What are grasslands?

400

This material is best used to keep cold drinks from getting warm too quickly because it is a poor conductor of heat. 

What is foam?

400

This is most likely the weather conditions in the area if the sky in the area mostly has cirrus clouds. 

What is fair?

400

What a runner can calculate from the distance and time measurements when he measured the time it took him to run 5km.

What is speed?

500

This human body systems are located throughout most tof the body. 

What are the nervous system and circulatory system?

500

Mushrooms, bacteria, and worms are best classified as this. 

What are decomposers?

500

Wood burning is an example of this. 

What is a different substance being formed?

500

This will most likely happen on a June day when a warm, moist air mass slowly passes over a colder air mass in North Carolina.

What is it will rain?

500

This is what is most responsible for a ball coming to a stop if it is kicked and rolls along a level field until it comes to a stop. 

What is friction?

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