What causes the tides
Grade 6 Science Worksheet - Challenge Me
Circle the best answer.
High tides at Esme's dock on Monday are at 3:10 a.m. and 3:35 p.m. Tide times come about 50 minutes later each day. When are the two high tides on Wednesday?
- 3:10 a.m. and 3:35 p.m.
- 4:00 a.m. and 4:25 p.m.
- 4:50 a.m. and 5:15 p.m.
- 1:30 a.m. and 1:55 p.m.
High tides at Jun's harbor on Wednesday are at 6:40 a.m. and 7:05 p.m. Tide times come about 50 minutes later each day. When are the two high tides on Friday?
- 6:40 a.m. and 7:05 p.m.
- 7:30 a.m. and 7:55 p.m.
- 8:20 a.m. and 8:45 p.m.
- 5:00 a.m. and 5:25 p.m.
High tides at Kira's beach on Friday are at 1:20 a.m. and 1:45 p.m. Tide times come about 50 minutes later each day. When are the two high tides on Sunday?
- 1:20 a.m. and 1:45 p.m.
- 11:40 p.m. and 12:05 p.m.
- 3:00 a.m. and 3:25 p.m.
- 2:10 a.m. and 2:35 p.m.
High tides at Luz's pier on Tuesday are at 5:05 a.m. and 5:30 p.m. Tide times come about 50 minutes later each day. When are the two high tides on Friday?
- 5:55 a.m. and 6:20 p.m.
- 2:35 a.m. and 3:00 p.m.
- 5:05 a.m. and 5:30 p.m.
- 7:35 a.m. and 8:00 p.m.
Noah wants to test whether high tides come about 50 minutes later each day. Which plan is best?
- Write down the time of a high tide at a different pier each day for a week.
- Write down the time of one high tide at the same pier each day for a week.
- Write down the height of each high tide at one pier for a week, but not the times.
- Write down the times of both high tides at one pier on a single day this week.
Pia wants to test whether a storm changes the time of high tide at the boat ramp. Which plan is best?
- Compare table times with real times at the ramp on calm days and on stormy days.
- Compare the tide table's times with real times at a different harbor each stormy day.
- Count the waves at the ramp on calm days and on stormy days, writing down each count.
- Compare the tide table's time with the real time at the ramp on a single stormy day.
Ren's club wants to test whether tides are bigger near new and full moons. Which plan is best?
- Measure the range on the day of one full moon and treat that as the answer.
- Count the boats in the harbor near each new and full moon for two months.
- Measure the range at a different harbor each time, near new and full moons, not the quarters.
- Measure the range at one harbor for two months, near new, full and quarter moons.
Read this first
Table (example data)
Mon, high at 6:10 a.m., 1.8 m, low 0.6 m. Tue, high at 7:00 a.m., 1.9 m, low 0.5 m. Wed, high at 7:50 a.m., 2.0 m, low 0.4 m.
Tala studies a three-day tide table. Which claim does the table support?
- High tide came about 50 minutes later each day, and the range grew a little.
- Ten days after Monday, the high tide will come at 3:00 p.m. in the afternoon.
- On coasts around the world, tides come 50 minutes later each day.
- The range stayed the same, because the high tide changed by 0.1 m a day.
Table (example data)
Mon, high at 8:00 a.m., 1.6 m, low 0.6 m. Tue, high at 8:50 a.m., 1.8 m, low 0.5 m. Wed, high at 9:40 a.m., 2.1 m, low 0.5 m.
Ari studies a three-day tide table at a dock. Which claim does the table support?
- High tide came about 50 minutes later each day, and the range grew daily.
- The range will be 3.0 m next Wednesday, because it grew on each of the three days.
- The range stayed the same, because the low tide was 0.5 m on two of the days.
- On docks around the world, the range grows for three days before shrinking.
Table (example data)
Sun, high at 9:30 a.m., 2.5 m, low 0.5 m. Mon, high at 10:20 a.m., 2.6 m, low 0.4 m. Tue, high at 11:10 a.m., 2.7 m, low 0.3 m.
Bo studies a three-day tide table at a harbor. Which claim does the table support?
- The high tide will come at noon on Thursday, and the range will be 3.0 m.
- The range stayed the same, because the high tide was about 2.6 m on each day.
- Harbors around the world have a high tide 50 minutes later each day, from now on.
- High tide came about 50 minutes later each day, and the range grew daily.