4th and 5th Grade Review

A possible explanation to a problem that has not yet been tested. 

• data
• theory
• hypothesis
• fact

Testing a hypothesis often involves a(n):

• answer
• experiment
• problem
• safety check

What is a hypothesis?

• an educated guess stating what you believe will be the result of your experiement
• a random guess
• a statement of the outcome of your experiment
• step by step directions for your experiment

Why do scientists use the scientific method?

• To make sure they get credit for their discoveries.
• To make sure their results are valid and can be performed by other scientists.
• So that other scientist don't get mad at them

When you use your five senses to determine the physical properties of an object.

• Data
• Hypothesis
• Conclusion
• Observation

Which of these describes one or more living organisms that depend on another living organism to survive?

• Bacteria living in the mouth of a horse

• Ivy plants growing up a fence to reach sunlight

• Mold living on a hard, rocky surface

• A fish releasing carbon dioxide into the pond water

The picture shows an athlete hitting a ball with a tennis racquet. What is the athlete demonstrating in the picture?

• Doing work by pushing the ball and changing its motion and position

• Changing the position but not the motion of the ball

• Doing work by pulling the racquet and changing the ball's position but not its motion

• Changing the position and motion of the ball without doing any work

Group 1 is performing an investigation to measure how much liquid water is produced from a 10L sample of snow. What must occur in order for the students to perform this investigation?

• The physical state of the sample must remain the same.

• The temperature of the sample must change.

• The sample must be kept in a freezer.

• The investigation must be performed outside.

Madison went on a field trip and observed a valley. She recorded 3 major characteristics of the valley: *Round bottom floor *Nearly vertical sides *Small hills containing sediments of many sizes

Madison determined this valley was most likely formed by __

• volcanic activity

• a rapid series of earthquakes

• the movement of a glacier

• a flood with rapidly moving water

Whats the 5th planet?? 

• jupiter 
• mars
• earth
• THE SUN?