Candice is doing a science experiment by mixing liquid chemicals to produce sweet fragrance. Which laboratory tool would she use to measure the volume of liquid accurately?

Find the volume of the cube, ( L=12 cm, W=5 cm, H=2 cm)

Toni will perform a laboratory activity. She will be needing 100g of sugar in her mixture. Which laboratory tool can she use to get the exact amount of sugar?

Please refer to the picture below.

What is the mass of the object?

Mosquito repellent is sprayed on one arm and the other arm is not sprayed. The number of mosquito bites is counted after 2 hours. What is our independent variable?

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Mosquito repellent is sprayed on one arm and the other arm is not sprayed. The number of mosquito bites is counted after 2 hours. Identify the dependent variable in the above experiment.

One grape is placed in tap water and another grape is placed in salt water. The change in their mass is measured after a day. What is our controlled variable?

Two plants are grown using the same amount of sunlight and soil. One plant is given water that has been microwaved and the other plant is given regular tap water. Their height is measured after 2 weeks.

Identify the dependent variable in the experiment.

A cow is given a growth hormone and then compared to another cow that was not given a growth hormone. Both cows will be weighed after 2 years

Identify the dependent variable in the above experiment.

Which is NOT a step in the scientific method?

While planning a class party, the students voted for their favorite cookies. According to the table, chocolate chip shows the most number of votes.

Question: What scientific skill applied in the above situation?

True or False:

Statement 1 : Hypothesis is a tentative prediction or statement of the relationship between two or more variables.

Statement 2: Hypothesizing is a scientific test that can be used to support or disprove a hypothesis