Scientific Skills #4

Name the piece of equipment used to measure the temperature

• Beaker

• Water

• Thermometer

• Bunsen Burner

The bunsen burner is a hazard in this investigation. What two risk of using the bunsen burner?

• Burns to your skin

• Too bright

• To heavy

• Set fire to hair

Other than the Bunsen Burner, what else specifically a hazard?

• The water

• The beaker

• The ball

• The hot beaker/ball/water

State TWO controls for this investigation

• (same) drop height

• (same) temperature of ball

• The height of the bounce

• (same) type of ball

The independent variable in this experiment is the temperature of the ball. Give the specific dependent variable.

• The height

• The height the ball is dropped from

• The height of the bounce

• The temperature of the ball

What is the piece of equipment labeled A in the diagram?

• Beaker

• Measuring cylinder

• Test tube or Boiling tube

What is the independent variable in this investigation?

• Different types of crisp

• The temperature change of the water

• The amount of water

• The amount of crisp

What is the dependent variable in this investigation?

• Different types of crisp

• The temperature change of the water

• The amount of water

• The amount of crisp

What are TWO control variables in this investigation?

• Different types of crisp

• The temperature change of the water

• The amount of water

• The amount of crisp burner

Give the percentage of limestone used for cement

• 5%

• 10%

• 20%

• 80%