OIC3 Unit 3 L1+L2 Reading

What do scientists do during their investigations?

• They make guesses about what is happening.

• They measure, count, and take photographs.

• They rely solely on their intuition.

• They don't observe, they just write down their thoughts.

What happens to a plant when it doesn't get enough water?

• Its leaves and stems become rigid.

• It starts to grow taller.

• Its parts begin to fall over.

• It starts producing more flowers.

What is the term for the condition when a plant does not get enough water?

• Blooming

• Wilting

• Thriving

• Flourishing

What happens to a plant when it doesn't get enough nutrients or sunlight?

• Its leaves turn yellow or brown.

• It becomes bigger and stronger.

• Its roots become longer.

• Its leaves and stems become rigid.

What do scientists do after making observations?

• They ignore their observations.

• They reach a conclusion about what has happened.

• They start a new investigation.

• They keep observing without reaching any conclusions.

What is the process called where a plant uses energy from the Sun to create food?

• Respiration

• Growth

• Photosynthesis

• Decomposition

What are the key requirements for photosynthesis to occur in a plant?

• Water and nutrients

• Air and sunlight

• Carbon dioxide and water

• Sunlight and nutrients

Where does a plant get the water it needs for photosynthesis?

• From the air

• From its leaves

• From air spaces in the soil

• From other plants

Where does a plant get the carbon dioxide it needs for photosynthesis?

• From the ground

• From air spaces in the soil

• From the air and from air spaces in the soil

• From water

What will happen to a plant without air?

• It will stop growing.

• It will grow faster.

• It will wilt.

• It will not grow.