5th Grade Science Review

What happens to energy as it moves from one link to next in a food chain? 

• Energy is cycled between organic and inorganic states within the food chain.
• Energy is created and causes the food chain to have more links.
• Energy is destroyed as it moves across the links of the food chain.
• The energy is transferred between organism within the food chain. 

Organisms that convert solar energy and raw materials into food are.

• Consuemrs
• producers
• herbivores
• decomposers 

What can a human do to help maintain a renewable resource? 

• Build power plants that use coal as fuel.
• Clearing land for roads and buildings. 
• Directing fertilizer runoff to ponds.
• Replanting trees in areas that need it.

What do producers need to make food? 

• sunlight, oxygen and carbon dioxide
• sunlight, water and carbon dioxide
• water, oxygen and carbon dioxide
• water, oxygen and sunlight

Snowy owls live in cold areas.  Which adaptation is most likely a result of living in this type of environment. 

• sharp claws
• curved beaks
• large, yellow eyes
• thick, white feathers. 

plants that can live in sandy soils most likely have the ability to withstand

• fireds
• salt
• cold temperatures
• dry conditions

What might a cactus use to protect itself?

• its color
• sharp spines as the leaves
• long roots near the surface

What part of the scientific method involves measuring the growth of a plant over a one-month period? 

• analysis
• observation
• conclusion
• hypothesis 

A student conducts an investigation. In order to make a valid conclusion, the student must

• have a testable hypothesis 
• place the data in a graph
• use the best technology
• test multiple variables

Which situation would be considered observation and measurement?

• gathering the resources for a plant investigation
• recording how much a plant grew daily for a week
• predicting how much a plant will grow in one week
• explaining why a plant grew differently under certain conditions