Science Knowledge Quiz

What is the purpose of using a control group in an experiment?

• To test multiple variables

• To create more data

• To serve as a comparison

• To increase the number of trials

Why is repetition important in scientific investigations?

• It adds more variables

• It helps confirm results

• It makes experiments faster

• It reduces the need for data

Which tool would a scientist use to measure the temperature of water?

• Ruler

• Thermometer

• Balance

• Stopwatch

What is the first step in the scientific method?

• Analyze data

• Form a conclusion

• Conduct an experiment

• Ask a question

Which of the following is an example of a test (independent) variable?

• The time measured

• The temperature of water used

• The total number of trials

• The number of data points

Which process moves water from the surface into the air?

• Condensation

• Precipitation

• Evaporation

• Collection

What tool is used to measure air pressure?

• Thermometer

• Anemometer

• Barometer

• Rain gauge

What causes the different phases of the Moon?

• The rotation of the Moon

• The Moon’s position relative to Earth and the Sun

• The Moon’s orbit around the Sun

• The brightness of the stars

Which layer of Earth do we live on?

• Core

• Mantle

• Outer core

• Crust

What type of rock forms from lava cooling?

• Sedimentary

• Igneous

• Metamorphic

• Fossil