Read the "Whale Journey" picture book about the gripping tale of the life cycle of the gray whale. Choose one of the whales in the story for a writing activity.
“Mystery objects” – a brine shrimp egg and a seed that looks similar – are placed in both salt water and soil to see which thrives in each environment.
Take readings of a thermometer in a glass of ice and then in warm water. Watch the volume of the red liquid in the thermometer expand, to develop ideas about the effect of energy on the change of state of matter.
Work with models to represent the relative distance of the Moon from the Earth, then measure the angular size of the Moon with pinky fingers to check the estimate.
Draw scale models of the solar system and then go out to the playground. Establish the Sun’s position and ask students to stand where they think the planets are in relation to it.
Grow "fast plants" and measure the variation in height. Calculate the average height with different numbers of plants to show the importance of sample size.