Energy In = Energy Out

Energy In = Energy Out

Ms. Sablich 8th Grade Science

Multiple Choice

Is it Food Or Not?

• Food

• Not Food

Multiple Choice

Which criteria should you use to determine if this is food or not?

• Food Brand

• Calories Present

• Type of Packaging

• Flavor of Drink

Multiple Choice

______ is the fuel for the body that is manufactured from the food we eat.

• Insulin

• Glucose (sugar)

• Water

• Vitamins

Multiple Choice

Which form of energy is stored in glucose (sugar)?

• Chemical Energy

• Thermal Energy

• Solar Energy

• Mechanical Energy

Multiple Choice

What is the molecule that all living organisms use for fuel?

• sunlight

• food

• salt

• photosynthesis

Multiple Choice

Which of the following is an example of a carbohydrate?

• Sugars

• Proteins

• Minerals

• Water

Multiple Choice

Which food group is our main source of energy?

• Carbohydrates

• Proteins

• Water

• Vitamins

Multiple Choice

The table shows the daily calorie intakes and frequencies of physical activity for four students of equal height and weight in one week. If each student requires 2,100 calories a day and exercise 3 times a week, which statement describes the general health on one of the students?

• Student 1 will have the highest BMR

• Student 2 will maintain a nearly constant weight

• Student 3 will have the best bone strength.

• Student 4 will develop the best muscle tone.

Multiple Choice

The table lists what happens to food after it is consumed by an organism. Which listed process provides the body with energy to perform all functions?

• 1

• 2

• 3

• 4

Multiple Choice

The body uses stored fats as a source of energy when the supply of glucose is limited. Fats provide more than double the amount of energy in comparison to the energy provided by the same quantity of glucose. How are the fats used by the body to produce energy?

• They are broken down by oxidation to release energy

• they are used to synthesize minerals which provide energy to the body

• They are used to synthesize energy rich protein molecules

• they are broken down in the presence of water to produce enzymes that are used as food.

Multiple Choice

Which describes all the chemical reactions involved to change food to energy, maintaining the life of an organism?

• Digestion

• Metabolism

• Circulation

• Photosynthesis

Multiple Choice

Basal Metabolic Rate is the minimum energy a body requires to carry on all vital functions. What is one way to increase a persons BMR?

• eat less

• exercise more

• eat more

• sleep more

Multiple Choice

The chart is designed to show the three components of the overall metabolic rate of the body. What activity is represented by Y?

• breathing

• sleeping

• circulation of blood

• digestion of food

Multiple Choice

Under which circumstances will a 200 pound person gain the most weight?

• The person ingests 2,150 calories and burns 1,950 calories during he course of the day.

• The person ingests 2,150 calories and burns 2,150 calories during he course of the day.

• The person ingests 2,150 calories and burns 2,500 calories during he course of the day.

• The person ingests 2,150 calories and burns 1,800 calories during he course of the day.

Multiple Choice

BMR is defined as the amount of energy required to maintain minimum essential life functions. The graph shows the daily energy requirement for a man weighing 70kg while performing three different levels of physical activity(light, moderate, and difficult). What can be concluded from the graph?

• BMR is higher when the person does light physical activity.

• BMR is higher when the person does heavy physical activity.

• The amount of energy required is lower when physical activity is greater.

• The amount of energy required is higher when the physical activity performed is greater.