Cycling of Energy and Matter

What are the building blocks of matter?

• Atoms

• Molecules

• Cells

• Particles

How do plants create their own food?

• Through photosynthesis

• By absorbing nutrients from the soil

• By consuming other plants

• Through respiration

What is the primary source of energy for life on Earth?

• The Sun

• The Moon

• The Earth

• The Ocean

Which nutrient is primarily used by the body for energy during a marathon?

• Carbohydrates

• Proteins

• Fats

• Vitamins

What process allows plants to convert sunlight into energy?

• Photosynthesis

• Respiration

• Digestion

• Fermentation

What happens to energy when it is used by the body during physical activities?

• It is released as heat

• It is stored as fat

• It is converted into water

• It is lost completely

Why is understanding the cycle of energy important?

• It helps us appreciate the interconnectedness of life

• It allows us to create more energy

• It helps us grow more plants