Science 7 Unit 2 Food and Fibre Review

The yield of crops that are grown outdoors is highly dependent on

• environmental conditions only

• environmental conditions and soil types only

• climate and soil types only

• environmental conditions, soil types and climate

The use of greenhouse is

• to control climate

• to control environmental conditions

• to control soil types

• all of the above

When the Sun’s energy is trapped by greenhouse gases, how does this affect the temperature of the Earth?

• temperatures will decrease

• temperatures will increase

• temperatures will stay the same

• temperatures will fluctuate

The key component to any greenhouse is....

• that it is in the mountains.
• that it is made of glass or clear material.
• that it is made of bricks.
• that it has plenty of water.

What part of the plant is #4?

• leaf
• flower
• stem
• root

Plants need the following:

• air, water, space, sunlight
• air, water, oxygen, space

The roots absorb what for the plant? 

• Water and Nutrients
• Soil and Sun
• Warmth and Water
• Sun and Photosynthesis

Why is photosynthesis important for plants?

• It collects sunlight which is used to make food for plants
• It gets rid of plant waste products
• It changes plant sugar into stronger chemicals
• It helps attract insects to flowers

What part of a plant produces a new plant?

• root
• stem
• leaf
• seed

What part of a plant collects sunlight?

• seed
• root
• leaf
• stem

Tags

NGSS.MS-LS1-6