Balanced diet must contain:

Scientific data should be recorded:

Which improves precision?

Which vitamin is obtained from sunlight?

Emma is conducting an experiment to determine the density of a metal. She measures the mass and volume. What is the formula for density?

Which term describes correctness of result?

Which tool is commonly used to collect experimental data?

Cellulose is mainly found in:

Ibrahim is learning about proteins. He knows that proteins are essential for growth and repair. What is the basic building block of proteins?

Bongani is learning about lipids. He understands that lipids are hydrophobic. Which of the following is a type of lipid?

Waleed is learning about the importance of a healthy diet. He understands that a healthy diet can prevent many diseases. Which of the following is a disease that can be prevented by a healthy diet?

Biochemistry is the study of:

Precision refers to:

Which macromolecule forms hormones like insulin?

Aisha is studying enzymes. She learns that enzymes are specific for their substrates. What is the term for the region on an enzyme where the substrate binds?

Which is a source of experimental error?

Vitamins are:

A testable explanation for an observation is called:

An outlier in data is:

Which food is a rich source of proteins?

Laura is studying lipids. She learns that lipids are a diverse group of hydrophobic molecules. Which of the following is a function of lipids in the body?

Which carbohydrate is stored in animals?

Proteins are essential for:

Ahmed is conducting an experiment to determine the boiling point of water. He records the temperature every minute. What type of data is Ahmed collecting?

Quinn is measuring the volume of a liquid using a graduated cylinder. He reads the meniscus incorrectly each time. What type of error is this?

Nora is recording the pH of a solution over time. She notices that the pH values are fluctuating. What should she do to improve the accuracy of her data?

Bilal is studying the importance of a healthy diet. He understands that a healthy diet is essential for good health. Which of the following is a key component of a healthy diet?

Which nutrient is mainly required for enzymes?

Diana is learning about the components of food. She understands that food provides essential nutrients. Which of the following is a micronutrient?

Which food is rich in carbohydrates?