Science Unit 1 Review

Frank wants to investigate moon craters. He drips water into a shallow pan of flour. He holds the dropper at a different height each time he moves to a new area of the pan. Frank observed that the water drops make dents of differing sizes in the flour. Which type of experiment is Franz conducting?

• Directly studying

• Surveying

• Modeling

• Classifying

Joey asks people in his class to report how many times per week they recycle. Joey asks friends in two other classes to collect reports from their classmates, too. What is true about his investigation?

• It follows the scientific method

• It involves collaboration

• It explains why people recycle

• It produces results that don’t change

Scientists make observations, conduct experiments, and draw conclusions. Which statement is true of all scientists?

• Scientists study things found on Earth

• Scientists study living things

• Scientists study things found in outer space

• Scientists study the natural world

Marissa grew one plant outside her window sill. She grew another plant inside a black plastic bag. She made a poster about how the plants grew. What does Marissa’s poster do?

• Hypothesizes the data

• Communicates the data

• Classifies the data

• Predicts the data

Tags

NGSS.3-ESS2-1

Rebecca and Stanley studied how far two toy cars-travel. Each student pulled a car back and let it go. Then they measured how far each car traveled before it stopped. What part of the inquiry process did the students do?

• Conducted an investigation

• Drew a conclusion

• Communicated their results

• Made a prediction

Tags

NGSS.3-PS2-1

Skye wants to add more chocolate chips to a pancake recipe. She thinks it will make the pancakes taste better. What part of the inquiry process are the chocolate chips ?

• Hypothesis

• Conclusion

• Question

• Variable

Michael is planning an investigation of fossils that scientists have found where he lives in Florida. Which would be his best source of information?

• Local science museum

• Television show about rocks

• Books about dinosaurs

• Science dictionary

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Kramer places a beaker of water in direct sunlight and measures how the water temperature changes. Which unit of measurement will he use to record his data?

• Degrees Celsius

• Cubic centimeters

• Grams

• Centimeters

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Cumulo collects on leaf from each tree around his house. What would be the best way for Cumulo to find out which leaf has the greatest mass?

• Hang all of the leaves together from a spring scale

• Hold the leaves, two at a time, in his hands

• Find the mass of each leaf in a pan balance

• Lay each leaf on a table beside a measuring tape

Four classmates measure the mass of a sample of rocks. Sirius claims that his measurement is the most exact. Which measurement is his?

• 4 kg

• 1.5443 kg

• 0.44339 kg

• 9.0009 kg