Do Now!! Write your heading Copy the day’s Learning Targets: I can explain the effect of gravity on Earth I can explain how tides work I can create a line graph Answer the following question (please copy the question) If you are sitting on the beach does the position of the water ever move?
Mini Lesson Gravity: force of attraction between all objects in the universe The one gravitational force we feel the most is the Earth’s How much gravity object A exerts object B depends on two things: Mass of object A Distance between object A and object B
Tides The moon has gravity, but not enough to pull anything on the Earth but WATER You get tides because of the Moon’s gravity
Tides Tide: regular change in the level of the Earth’s oceans; there are 2 highs and 2 lows each day High tide: when the tide is highest up on the beach Low tide: when the tide is lowest down
Tides Spring tide: Tide that is higher or lower than a normal tide Neap tide: Tide that is not as high and not as low as a normal tide.
Spring or Neap Tide? Spring Tide New Moon
Spring or Neap Tide? Spring Tide Full Moon
Spring or Neap Tide? Neap Tide Quarter Moon
Spring or Neap Tide? Neap Tide Quarter Moon
Making a line graph Color Purple Red Black Blue Yellow White Monday 50 22 1 3 5 2 Tuesday 20 25 14 15 10 Wednesday 43 23 17 6 Thursday 19 9 30 Friday 32
Making a line graph Light color Day 1 Day 3 Day 5 Day 7 Day 9 Day 11 White 2 cm 4 cm 6 cm 9 cm 12 cm 15 cm Blue 1 cm 3 cm 5 cm Green Red 7 cm 9cm 11 cm
Activity Tides worksheet – do as much as you can!
Debrief