1. QUIET BALL UNIT 1-2 EXAM REVIEW 7 TH GRADE

2. IF GLASS BREAKS IN A LAB, WHAT SHOULD YOU DO? Tell a teacher and leave it alone. The teacher will place in a glass container

3. IS THIS A TESTABLE QUESTION? DO FLIES FLAP THEIR WINGS MORE WHEN THEY BECOME MORE HUNGRY? No, You must be able to measure the data and we can’t measure how hungry a fly gets.

4. WHAT TYPE OF GRAPH DO YOU USE WHEN COMPARING TWO OR MORE ITEMS? A bar graph

5. HOW MANY MORE PEOPLE PREFER DOGS TO MONKEYS? 11 because 15 prefer dogs and 4 prefer monkeys. 15-4=11

6. WHAT TYPE OF GRAPH DO YOU USE WHEN YOU SEE A TREND IN DATA (USUALLY OVER TIME)? A line graph

7. WHICH ORGANIZATION TOOL DO YOU USE WHILE YOU ARE COLLECTING DATA? Data table

8. AFTER PUTTING A NEWSPAPER UNDER A UV LIGHT, A STUDENT WROTE “THE COLOR OF THE PAPER TURNED YELLOW” IS THIS AN OBSERVATION OR INFERENCE? An Observation

9. WHAT TYPE OF GRAPH DO YOU USE WHEN SHOWING PARTS OF A WHOLE (PERCENTS)? A pie or circle graph

10. SALLY WANTS TO FLY A SMALL KITE AND A LARGE KITE TO SEE WHICH ONE FLIES LONGER. WHAT IS THE INDEPENDENT VARIABLE? The size of the kite

11. HELP SALLY FIGURE OUT THE AREA THAT WILL BE COVERED WITH MOLD WHEN THE WATER TEMPERATURE IS 30 °C? 9.2 cm 2 Water Temperature °CArea covered in Mold cm 2 2411.9 2611.0 2810.1 30 328.3 347.4

12. SALLY WANTS TO FLY A SMALL KITE AND A LARGE KITE TO SEE WHICH ONE FLIES LONGER. WHAT IS THE DEPENDENT VARIABLE? How long the kite flies

13. WHAT HAPPENS TO THE ODOR AS THE TEMPERATURE RISES? Week Temp °C ColorOdor 1-5 120Brown1 220Brown2 335 Dark Brown 3 445Black5 It increases in odor

14. WHAT SHOULD YOU DO BEFORE YOU CAN MAKE A HYPOTHESIS? Research or gather background information

15. AFTER YOU GATHER YOUR DATA, WHAT SHOULD YOU DO BEFORE YOU CAN COME UP WITH A CONCLUSION? Analyze the data.

16. WHAT SHOULD YOU DO WITH CHEMICAL WASTES AFTER COMPLETING AN EXPERIMENT? Follow teacher’s instructions

17. WHAT CAN YOU DO TO PREVENT YOURSELF FROM CATCHING FIRE DURING AN OPEN FLAME LAB? Tie back hair and don’t wear loose clothing

18. MARY WANTS TO TEST DIFFERENT FERTILIZERS TO SEE HOW THEY AFFECT THE GROWTH OF A FIG PLANT. WHAT SHOULD BE THE VARIABLE IN THIS EXPERIMENT? The type of fertilizer because this is what you are testing.