Which of the following is an observation rather than an opinion?
A. Lime juice is great for removing rust.
B. Bleach leaves a fresh scent when it is used to remove spots.
C. An apple is a solid and orange juice is a liquid.
D. In a lab, it is simple to measure the mass of an object.
C. An apple is a solid and orange juice is a liquid.
A. Gravity pulls up the box.
B. The table pushes up on the box.
C. Friction keeps the box from moving.
D. All of the forces on the box are balanced.
D. All of the forces on the box are balanced.
A. It is snowing
B. It is raining
C. There is a tornado
D. There is a flash flood
A. It is snowing
A. stomach
B. pancreas
C. kidneys
D. brain
B. pancreas
A. condensation
b. evaporation
c. melting
D. freezing
b. evaporation
Why is it important to write detailed step by step directions when writing a procedure?
A. to help organize the data.
B. To help design a better experiment
C. To make it possible for others to repeat the experiment
D. To be creative with the experiment
C. To make it possible for others to repeat the experiment
A. cooling a room with a ceiling fan
B. lighting a room with a table lamp
C. warming bread in a small oven
D. playing music on a large radio
A. cooling a room with a ceiling fan
A. abouth one-fourth
B. about half
C. about three-fourths
D. the entire moon
B. about half
A. brain
B. heart
C. lung
D. skeleton
D. skeleton
A. rock that is created in volcanos
B. a rock made of ice found in space
C. a rock found in space
D. a rock that orbits the moon
C. a rock found in space
A. Science does not always follow the scientific method and it never uses empirical evidence.
B. Science does not always follow the scientific method, but it always uses observations and empirical evidence.
C. Science use different methods to answer questions but always use the same experiments.
D. Science always follow the scientific method, and never uses observations and empirical evidence.
B. Science does not always follow the scientific method, but it always uses observations and empirical evidence.
A. The ball is losing its energy, so it moves faster.
B. The initial force is still at work, so the ball moves faster.
C. Another force is acting on the ball, so the ball moves faster.
D. The creates its own energy, so the ball moves faster.
C. Another force is acting on the ball, so the ball moves faster.
A. igneous rock
B. sedimentary rock
D. metamorphic rock
C. lava rock
D. metamorphic rock
A. pistil
B. petal
C. seed
D. stamen
C. seed
A. stigma
B. stamen
C. ovary
D. style
B. stamen
A. Pile 1
B. Pile 2
C. Pile 3
D. Pile 4
D. Pile 4
A. The ice in the water melted and dripped down the side of the bottle.
B. the Cold water warmed up causing excess water to drip down the side of the bottle.
C. Water vapor condensed on the inside of the bottle and dripped down the side of the bottle.
D. Water vapor from the air condensed on the cold bottle and dripped down the side of the bottle.
D. Water vapor from the air condensed on the cold bottle and dripped down the side of the bottle.
A. clevage
B. luster
C. hardness
D. streak
C. hardness
A. to help them hunt for food
B. to help them attract a mate
C. to help them climb trees
D. to help them hide from predators
C. to help them climb trees
A. conductor
B. metal
C. copper
D. insulator
D. insulator
Her experiment set up included a circuit with wires connecting a 45-Watt light bulb. Which of the following is true?
A. There are not enough independent variables.
B. In order for the experiment to be accurate, all aspects of the experiment need to remain constant except for the independent variable.
C. The independent variables need to be measured with the same device, under the same conditions.
D. The wattage of the light bulb needs to be changed with each object.
B. In order for the experiment to be accurate, all aspects of the experiment need to remain constant except for the independent variable.
A. Some tea escaped the bottles as they cooled?
B. Some hot gas escaped the bottles as they cooled.
C. The volume of the gas in the bottles decreased as it cooled.
D. The volume of the water in the bottles decreased as it cooled.
C. The volume of the gas in the bottles decreased as it cooled.
A. Earth completes one full rotation on its axis.
B. Earth completes one full revolution around the moon.
C. Earth completes one full rotation around the sun.
D. Earth completes one full revolution around the sun.
D. Earth completes one full revolution around the sun.
A. adaptations
B. hibernation
C. metamorphosis
D. migration
A. adaptations
A. renewable energy
B. nonrenewable energy
C. kinetic energy
D. potential energy
B. nonrenewable energy