As the pollster for candidate Higgins, you need to know how she is faring with different groups. Read her political profile, view the demographic profile of the city, decide on the groups to poll, review the results and learn about random sampling.
It’s make or break time at the end of the campaign so you must read Ms. Higgins’ political profile, view the demographic profile of the city and decide how many people to poll out of the entire voting age population of 16,000 to get accurate results.
This timeline provides insight into the long history of struggle of the black population of South Africa. Follow the centuries of European wars and colonial rule and the policies that led to apartheid.
Test your detective skills when you read three random documents. You will have three minutes to read each document, answer two questions about the region, two questions about the time period and three questions about the document.
Contestants in grades 1-8 will listen to three stories, one at a time, and then spell words from each story. Students in high school will listen to separate sentences and then spell the words from each sentence.
When the light of a star passes through a spectrograph, elements of that star reveal a specific signature. Compare the spectra of four elements and a star to identify which elements you can detect in the star's atmospere.
To find the area of a shape, surround the shape with a rectangle, determine the areas of the rectangle and subtract the pieces of the rectangle that are outside the original shape. Use this geoboard to create shapes and determine their areas.