A rocking horse is a compound machine true or false

Which of the following is true regarding the Earth's mantle? A It is made mostly of liquid metal that allows it to flow. B Its material moves due to convection currents. C It is the densest of all of Earth's layers.

A specific example of how light year is used in space exploration. Pick one object in space (the nearest star, the nearest galaxy, the edge of the universe, etc.

Does the melting ice stay at the 0 degrees?

People who have color vision deficiency typically lack one or more of the three cones that are sensitive to a particular wavelength. true or false

What does a condenser in a coal-burning power plant do? a. cools the steam so it can be converted back to liquid water b. heats the water so it can produce steam c. collects the steam and releases it back to the atmosphere

An ant is crawling along a straight wire, which we shall call the x axis, from A to B to C to D

How does a very heavy object resist sliding sideways when you push hard on it?

A go-cart traveled at 200 meters in 18 seconds. what was the average speed of the go cart?

A cartoon plane with four engines can accelerate at 8.9 meters per second squared

Convert 1087 ft/s to mi/hr