6 th grade Final Quiz 1

1. 6th grade Final Quiz 1 January 7, 2008

2. What must be true of a conclusion formed from a controlled experiment? • a.A conclusion must state that the data support the hypothesis. • b.A conclusion must state that the hypothesis was incorrect. • c.A conclusion must be reached for every experiment. • d.A conclusion must relate the data to the hypothesis.

3. Which scientific skill are you using when you see that the sky is cloudy? • a.making an observation • b.making an inference • c.posing a question • d.drawing a conclusion

4. Which of the following units of measurement is a scientist most likely to use? • a.pounds • b.meters • c.miles • d.square feet

5. A controlled experiment is designed to test • a.a conclusion. • b.a hypothesis. • c.data. • d.a measurement.

6. A scientific explanation that can be tested by observation or experiment is a(n) • a.inference. • b.simulation. • c.variable. • d.hypothesis.

7. A scientific law is a statement that describes • a.the laws that all scientists must obey. • b.what scientists expect to happen every time under a particular set of conditions. • c.what scientists expect to happen if their theories are correct. • d.how controlled experiments are conducted.

8. Your teacher hands out a copy of a laboratory experiment. What is the first thing you should do to conduct the experiment safely? • a.Obtain and open any materials described in the experiment. • b.Review the lab and the safety procedures with your teacher. • c.Mix your materials with those of another group to save time. • d.Begin heating any materials that will need to be hot.

9. A plant growing toward light is an example of • a.reproduction. • b.a response. • c.a stimulus. • d.development.

10. Which of the following do all living things need to survive? • a.water • b.oxygen • c.sunlight • d.carbon dioxide

11. Which is the most abundant chemical found in living cells? • a.water • b.carbohydrates • c.proteins • d.nucleic acids