EOG REVIEW 3 Science

Which system of the human body provides protection to most of the major organs? 

• skeletal system 
• circulatory system 
• respiratory system 
• muscular system 

Which example best shows structures that make up the digestive system in the human body? 

• heart, blood, vessels
• nose, trachea, lungs 
• brain, spinal cord, nerves
• esophagus, stomach, intestines 

In a grassland ecosystem, if the population of eagles suddenly decreased, what will most likely be the effect on the rest of the ecosystems?

• The ecosystem will become overpopulated with snakes.
• There will be a decrease in the population of snakes in the ecosystem. 
• The nutrition of the soil in the ecosystem will decrease.
• More types of plants will begin growing in the ecosystem.

A litter of kittens have traits that are similar to both the mother cat and the father cat. Which best explains this situation? 

• The kittens are provided the same kind of milk from their mother as they grow.
• The kittens inherit some of their traits from their mother and some from their father. 
• The kittens are kept at the same temperatures by their mother when they are first born. 
• The kittens are taught by their parents to have similar traits. 

Which are examples of inherited traits?

• specific beliefs 
• fingerprints
• memories
• nose shape

A pencil falls off of a desk. What moves the pencil toward the floor?

• mass
• friction
• gravity
• speed

A child rides a wagon down a hill. Eventually, the wagon comes to a stop. Which is most responsible for causing the wagon to stop? 

• gravity acting on the wagon 
• friction acting on the wagon 
• the mass of the wagon 
• the mass of the child 

What must occur before clouds can form? 

• Water vapor must get warmer
• Water vapor must lose heat energy
• Precipitation must begin to fall and run off
• Transpiration must add water vapor to the atmosphere. 

Which process allows green plants to control the amount of water stored in their leaves? 

• photosynthesis
• condensation
• respiration
• transpiration 

One morning, Jane notices drops of water on the outside of a window. Later in the day, she notices that the drops have disappeared. What most likely caused the drops to disappear?

• The water condensed on the plants around the house. 
• Energy from the sun caused the water to evaporate. 
• The water cooled enough to turn into water vapor. 
• Wind blowing on the window turned the water into vapor.