PASS REVIEW

1. PASS REVIEW Scientific Process Scientific Tools Weather Light, Electricity, Magnetism

2. Information you gather with your senses is calledA. an opinionB. a questionC. a beliefD. an observation

3. Which of these is a qualitative observation?A. The bike is 2 meters tall.B. There are six bikes parked in the yard.C. The metal seat on the bike is shiny.D. There are more black bikes than blue bikes.

4. Which of these is NOT a scientific observation?A. All dogs have 4 legs.B. Poodles have curly hair.C. The dog weighs 20 kilograms.D. Dogs make better pets than cats.

5. Which tool would you use to make a qualitative observation?A. rulerB. telescopeC. thermometerD. pan balance

6. What tool would you use to make a measurement?A. binocularsB. telescopeC. graduated cylinderD. microscope

7. What is the main reason a scientist conducts an experiment?A. to state a predictionB. to ask a questionC. to prove that a prediction is correctD. to test a prediction

8. Which sentence is correct?A. An experiment can have more than one manipulated variable.B. An experiment begins with drawing a conclusion and ends with asking a question.C. Doing an experiment includes recording data and drawing a conclusion.D. You can make up an experiment as you go along.

9. The factor that a scientist changes in different parts of an experiment is called aA. controlled variableB. manipulated variableC. responding variableD. conclusion

10. An inference about what is likely to happen in the future is called a ______________. • Qualitative observation • Prediction • Quantitative observation • Guess

11. Some students set up an experiment to see how sunlight affects plant growth. They use two similar plants. The plants gets the same amount of water each day, but the students put one plant in sunlight and the other plant in shade. Which of these should be a controlled variable in the experiment? • Ages of the students • Amount of water given to each plant • Amount of sunlight • Plant growth

12. Which tool could help you find the direction in which you are facing? • Prism • Ruler • Microscope • compass

13. In the morning, you see a large puddle outside your classroom. The day becomes bright and sunny. At the end of the day, you notice that the puddle is almost gone. Which of these is an inference you could make based on what you observed? • The bright sunlight caused most of the water to evaporate. • The puddle was much smaller in the afternoon. • The puddle will be much bigger by the next morning. • Animals came and drank most of the water that was in the puddle.

14. Water vapor becomes water droplets that form clouds. What is this process called? • Evaporation • Precipitation • Runoff • condensation

15. A student observes puffy white clouds in a blue sky. What is the student looking at? • Stratus clouds • Cirrus clouds • Dew • Cumulus clouds

16. A student wants to find out how fast the wind is blowing. Which weather tools should he use? • Thermometer • Anemometer • Meter stick • Wind vane

17. Which type of severe weather brings a dark cloud shaped like a funnel? • Hurricane • Snowstorm • Tornado • Flood

18. When the air temperature gets warmer, the liquid in a thermometer • Goes up in the tube • Goes down in the tube • Stays at the same level • disappears

19. Which term describes wispy clouds that you usually see in fair weather • Cumulus • Stratus • Cirrus • Fog

20. To stay safe during a thunderstorm, you should ________________. • Stay away from trees and other tall objects • Move farther inland if you live near the coast • Find shelter in a basement or a place far away from a window • Board up windows in your home

21. Water falls to the ground as rain. Which step in the water cycle happens next? • Weather in the air condenses to form droplets • Water evaporates to form water vapor • Water flows downhill as runoff • Water droplets in clouds combine and grow heavier

22. Which of these must happen to form a cloud? • Water vapor condensing • Rain falling • Snow falling • Ice melting

23. When are you MOST LIKELY to see while cumulus clouds? • On a foggy day • On a rainy day • Before a thunderstorm • On a sunny day

24. The water cycle has • A beginning and an end • No beginning and no end • Only a beginning • Only an end

25. What does a wind vane show? • The speed of the wind • The direction of the wind is blowing from • The direction the wind is blowing toward • The force of the wind

26. Which part of a circuit starts and stops the flow of electricity? • Battery • Lightbulb • Wire • Switch

27. What will most likely happen when light strikes and object with a very smooth surface, such as a mirror? • Light will pass straight through the object. • Light will be absorbed by the object. • Light will be reflected by the object. • Light will be refracted by the object.

28. A material that does not let electric current flow through it is called ___________. • An insulator • A magnet • A conductor • A pole

29. Which one is an example of electricity being transformed? • Using gasoline to run a lawn mower • Listening to someone singing • Turning on a television • Playing the drums

30. Which material is a conductor? • Wood • Aluminum • Glass • rubber

31. Which of these is a way to make an electromagnet stronger? • Increase the electricity flowing through the wire • Replace the iron core with a copper core • Replace the copper wire with a plastic cord • Wrap the wire around the iron core fewer times

32. A students makes a circuit using a battery, wire, a switch, and two lightbulbs. One of the bulbs burns out, but the other bulb stays lit. Which of these circuits did the student make? • Parallel circuit • Open circuit • Series circuit • Electromagnet circuit

33. The south pole of a magnet with repel ___________. • Paper • The north pole of another magnet • The south pole of another magnet • An iron nail

34. Which of these is energy you can hear? • Electricity • Sound • Heat • Light

35. An opaque material ____________. • Changes light into electrical energy • Lets light pass straight through it • Scatters light that passes through it • Blocks light from passing through it

36. Which object reflects light? • Sun • Campfire • Log • Candle flame

37. Which word means the rainbow of colors that make up white light? • Prism • Refraction • Spectrum • reflection

38. Which object or material is translucent? • Water • Brick • Waxed paper • Window glass

39. Which of these will absorb the most light? • A white hat • A light grey hat • A dark grey hat • A black hat

40. A straw appears bent in a glass of water. This is called ________. • Reflection • Absorption • Refraction • translucent

41. We see colors of objects because they • Absorb and reflect light. • Transmit and reflect light. • Refract and reflect light. • Absorb and refract light.

42. A blue object appears blue because • It absorbs blue light and reflects all other colors. • It reflects and absorbs blue light. • It absorbs red and green light. • It reflects blue light and absorbs all other colors.