Explain what affects the distance travelled by toy cars, and why they eventually stop. Assessment focus: science explanations using ideas about forces and energy.
Task: use features to group small animals, identify differences between 3 animals, and identify the insects. Assessment focus: using features to group small animals.
This practical task requires students to use methods of separation to separate a mixture of salt, sand, and iron filings. Students explain how they did this and the property of the substance that they used.
Students construct three different sized parachutes from plastic bags. They then carry out a fair test to see which sized parachute is the most effective. Students answer questions about fair tests, collect and record their results, and make a conclusion.