Food – Flow of Matter and Energy

Why do living things need food?

• To look colorful

• To get energy and grow

• To sleep better

• To make noise

Which of the following best describes how food provides energy?

• Food disappears in the stomach, making space for more food

• Food is broken down and converted into energy for the body

• Food stays in one place and gives warmth

• Food turns into water and spreads in the body

Plants make their own food through a process called ____.

• Respiration

• Digestion

• Photosynthesis

• Evaporation

Which of the following is an example of a food chain?

• Sun → Plant → Cow → Human

• Water → Fish → Rock → Sun

• Air → Plant → Human → Chair

• Sun → Soil → Animal → Tree

What happens if an animal does not get enough food?

• It becomes stronger

• It gets energy from air

• It may become weak or die

• It starts making its own food