Daily Reinforcers th Grade Science

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.

C. The toothpaste is made especially for kids.

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

D. Z

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

B. Condensation

TEK 5.5A 24. Based on the table, what physical property could be used to separate the following objects? ObjectState of Matter Boiling PointVolume Olive OilLiquid300 ˚C100 ml WaterLiquid100 ˚C100 ml AlcoholLiquid97.2 ˚C100 ml Sea WaterLiquid100.7 ˚C100 ml MercuryLiquid356.9 ˚C100 ml Jet FuelLiquid163 ˚C100 ml GlycerinLiquid290 ˚C100 ml

Boiling Point, no other differences are on the chart.

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

B.

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?

Which detergent gets stains out best?

TEK 5.5B & 5.2A 27. 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

Boil/Evaporate both, see which has no material left.

TEK 5.2D 28. 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)

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

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

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

TEK 5.2G 30. Which graph below best represents the data in the chart above? JarWater poured in (ml) Water absorbed (ml) Water released (ml) A B C A. D.C. B.

D.