In order for a space shuttle to be launched from Earth into space, rocket forces must be _______.

Karen made these four drawings of a virus developing in a bacterium cell. In what order should she arrange her drawings to show how the virus develops?

Juan thinks that water will evaporate faster in a warm place than in a cool one. He wants to do an experiment to find out if he is correct. He has two identical bowls and a bucket of water. Which of the following should he do?

Two identical spring scales are arranged as shown. If a weight is suspended as shown in the picture, what will occur?

Which BEST describes a reason why nonvascular plants, such as mosses, grow close to the ground?

Two workers use a ramp to help lift a box onto a dock as shown above. Despite the advantage gained by using the ramp, there is a loss of energy mainly due to _______ .

White dwarfs are hot stars that produce very little light. In which zone would a white dwarf be found?

Assuming that the Winding River flows through flat land and is the same depth at each point, where would the river current be the fastest?

Joseph wants to test how a tomato plant's growth would be affected if it were missing one of the three minerals: calcium, iron, or magnesium. He has prepared 4 groups of identical tomato plants with 4 plants in each group. One group of the plants will serve as the control group. Which minerals should Joseph give to the plants of the control group?

This is a diagram of a genetic cross. In guinea pigs, black hair color is dominant (B) and white hair color is recessive (b). What hair color are the guinea pigs' offspring?