Learn Different Topics of Science

Two identical blocks are heated to different temperatures. The blocks are placed so that they touch, and heat begins to flow between the blocks. The pair of blocks is insulated, so no energy escapes.

Later, the temperature of each block is measured again. Which pair of temperatures is possible?

Which state is being represented by the third circle?

Select the Amphibian.

Match the following animal with their kingdom.

Select the chemical formula for this molecule.

Select the elementary substance.

An animal cell diagram is shown. Match the numbered part accordingly.

Mount Rainier National Park is a taiga ecosystem in Washington State. The park is named after a volcano called Mount Rainier, which is covered in glaciers.

Which statements describe the Mount Rainier National Park ecosystem? Select all that apply.

This picture shows a desert in Asia. A desert is an environment that does not get much rain or snow.

Which rock is more likely to form from sediment deposited in a desert?

How many hydrogen atoms are there in one molecule of CH3FO?

Select the part whose main job is to direct and control animal cell activities.

How long is a garden rake? Select the best estimate.

What is the volume of a bottle of nail polish? Select the best estimate.