Science Explorer

What is the first step of the scientific method?

• Conduct an experiment

• Make an observation

• Analyze data

• Form a hypothesis

Which of the following is a living organism: rock, tree, or cloud?

• sand

• tree

• water

• rock

What is the force that pulls objects towards the center of the Earth?

• repulsion

• gravity

• friction

• magnetism

What causes day and night on Earth?

• The rotation of the Earth on its axis

• Alien interference

• Changes in Earth's magnetic field

• The movement of the Moon

Name the closest star to Earth.

• Betelgeuse

• Proxima Centauri

• Sun

• Alpha Centauri

Which planet is known as the Red Planet?

• Mars

• Jupiter

• Venus

• Earth

What is the process by which plants make their own food?

• Photosynthesis

• Respiration

• Hydrolysis

• Chloroplastion

What is the unit of measurement for weight?

• meters

• grams or kilograms

• inches

• liters

What is the process of a liquid turning into a gas?

• Solidification

• Sublimation

• Evaporation

• Condensation

Which of the following is a renewable resource: coal, sunlight, or oil?

• sunlight

• natural gas

• wind

• coal