1. Daily Reinforcers 21-30
5th Grade Science

2. TEK 5.3B 21. What inference can be made based on the advertisement to the right? A. The toothpaste safely whitens teeth. B. The toothpaste kills bad-breath germs. C. The toothpaste is made especially for kids. D. The toothpaste has a new mint flavor.

3. C. The toothpaste is made especially for kids.

4. TEK 5.5B & 5.2D 22. Based on the graph, at which stage is the water evaporating? A. W B. X C. Y D. Z

5. D. Z

6. TEK 4. 5B 23. What process is demonstrated in the diagram below. A
TEK 4.5B 23. What process is demonstrated in the diagram below? A. Evaporation B. Condensation C. Precipitation D. Freezing

7. B. Condensation

8. Object State of Matter Boiling Point Volume
TEK 5.5A 24. Based on the table, what physical property could be used to separate the following objects?
Object
State of Matter
Boiling Point
Volume
Olive Oil
Liquid
300 ˚C
100 ml
Water
100 ˚C
Alcohol
97.2 ˚C
Sea Water
100.7 ˚C
Mercury
356.9 ˚C
Jet Fuel
163 ˚C
Glycerin
290 ˚C

9. Boiling Point, no other differences are on the chart.

10. TEK 5.5A & 5.4A 25. Which of the following thermometers shows water in a solid state of matter?B. D. C.

11. B.

12. TEK 5.2B 26. A student is using three different laundry detergents, a shirt with grass stains, three tubs of cold water, and three stirring sticks. What question could the student be trying to answer?

13. Which detergent gets stains out best?

14. TEK 5.5B & 5.2A A teacher presents the two beakers above to her class. She asks the students to use their scientific skills to identify which of the above liquids is water. What could the students do to decide which is the water without tasting (not a safe practice in science)? A B

15. Evaporate both, see which has no material left.

16. Amount of Salt in water (g) Boiling point of salt water (˚C)
TEK 5.2D The chart shows the change in the boiling point of salt water as more salt is added to the solution. What can you conclude from the information in the chart? A. The boiling point of salt water does not change. B. Water evaporates more quickly with salt in it. C. Increasing the salt in the solution increases the boiling point. D. Salt water boils at the same temperature as water without salt.
Amount of Salt in water (g)
Amount of Water (ml)
Boiling point of salt water (˚C) 50
100 10
102 21
105

17. C. Increasing the salt in the solution increases the boiling point.

18. TEK 5.5B & 5.2A 29. Based on the graph below, what is happening to water at stage 2?3 4 2 1

19. The water is melting. Energy is increasing
The water is melting. Energy is increasing. The particles are moving faster.

20. TEK 5.2G 30. Which graph below best represents the data in the chart above?
Jar
Water poured in
(ml)
Water absorbed
Water released A
100 57 43 B 32 68 C 12 88 A. B. C. D.

21. D.