Science Review

Jared knows that his two blocks are the same color but different shapes. How does he know?

• He measures them.
• He observes and compares them.
• He makes a model. 

Gail uses this tool to find the length of a book. What is she doing?

• classifying
• inferring
• measuring

Victor uses a scale to measure the weight of a melon. He observes that the melon weighs three pounds. Ana also uses a scale to measure the weight of the same melon. What should Ana observe?

• The melon weighs two pounds.
• The melon weighs three pounds.
• The melon weighs four pounds. 

Lea investigates to answer a question. Then she repeats her experiment several times. Which will MOST LIKELY be true?

• The results will be the same.
• The results will be different.
• She cannot compare the results. 

Sumeet looks at the sky before he goes to school. It is dark and cloudy outside. What skill is Sumeet using?

• Compare
• infer
• observe

How do scientists work to solve problems?

• They solve problems the same way each time.
• They always work alone. 
• They keep looking for new ways to solve problems. 

Which is smallest?

• a boulder
• a pebble
• a piece of sand

How are these rocks sorted?

• by color
• by shape
• by size

What makes up soil?

• ONLY once-living things
• ONLY rocks and water
• rocks and once-living things

Desmond knows that soils with different textures are made of different materials. How does he know?

• He places the soils in boxes.
• He observes the soils carefully.
• He plants a shrub in one of the soils.