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Introductory Review

Introductory Review. Which of these statements is a hypothesis that can be tested in a scientific experiment?. Chocolate tastes better than vanilla Plants grow faster in bright places than in dark places Eating too much chocolate will make you sick. Goggles are used to protect your- . eyes

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Introductory Review

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  1. Introductory Review

  2. Which of these statements is a hypothesis that can be tested in a scientific experiment? • Chocolate tastes better than vanilla • Plants grow faster in bright places than in dark places • Eating too much chocolate will make you sick

  3. Goggles are used to protect your- • eyes • hands • clothes • ears

  4. ACCURATE means- • graphs • prediction • correct • false

  5. Why do scientists repeat experiments? (perform many trials) • Because it is fun • To make sure their results are correct • Because their teacher tells them they have to • So that way they can take turns

  6. How can you test your hypothesis? • Making a graph or a chart • Planning and doing an experiment • By guessing whether the hypothesis is correct

  7. What can help you see a butterfly’s wing? • ruler • Safety goggles • compass • Hand lens

  8. Which tool should be used when measuring the mass of a book? • ruler • Graduated cylinder • thermometer • Pan balance

  9. What should you do after touching dirt and plants in the science lab? • Take out a book and start reading • Play a game with another student • Wash your hands with soap and water • Work on your math homework

  10. Which of these should you do so you act safely? • Staying with your group and follow directions • Wandering away from your group • Starting the lab when you want to • Trying out your own experiment with the lab materials

  11. If a glass beaker is broken, you should… • Tell the teacher immediately (right away) • Clean it up right away • Continue the investigation • Run down the hall

  12. Which of these could be a hypothesis for an experiment? • Ice melts faster in a sunny spot than in a shady spot • Yellow flowers are prettier than orange flowers • Reading books is more fun than playing video games • Tomatoes taste better than avacados

  13. You walk in the lab and see marshmallows on the lab tables. You should… • Begin an investigation • Throw the food away • Wait for instructions from the teacher • Eat the marshmallows

  14. Which tool would you use to measure how long it takes ice to melt? • camera • timer • thermometer • Hot plate

  15. A thermometer is used to measure- • mass • gravity • temperature • length

  16. If there is a 10g block and two 5g blocks on a pan balance when it is even, what is the mass of the object? • 10 g • 15 g • 20 g • 5 g

  17. What would be a good model of a beaver’s tail? • Meter stick • basketball • Tennis racket • string

  18. You will also need to know how to: • Read a graduated cylinder • Read a thermometer • Read the length of an object when placed next to a ruler

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