Which of the following is a simple machine? A. wedge B. meat grinder C. car D. bicycle

Johannes Kepler discovered the laws that bear his name by analyzing the observational data of which astronomer? a. Tycho Brahe b. Galileo Galilei c. Sir Isaac Newton d. Nicolaus Copernicus

All matter has electrical and magnetic properties because the atoms that make up matter are held together by electromagnetic forces. What do we call this fundamental property?

Sound waves strike a glass and cause it to shatter because of what?

Which of the following is created when the ice of a comet starts to melt into gases? Coma Dust tail Nucleus Plasma tail

Which of the following land biomes is correctly matched to its characteristic abiotic factors?

Microwave, radio signal, light, earthquake which does not belong

A 9.0-v battery is connected to a bulb whose resistance is 2.5 ω. part a how many electrons leave the battery per minute?

What is the basic unit of matter? atom cell bacterium molecule Description

A person fires a 38 gram bullet straight up into the air. It rises, then falls straight back down, striking the ground with a speed of 345 m/s. The bullet embeds itself into the ground a distance of 8.9 cm before coming to a stop.

Subject: Science Why is it important to report experimental results honestly even when the results go against your hypothesis?