Plant Survival

What do plants need to survive (check 3 that apply)

• sun

• rocks

• water

• air

• hot temperature

Do plants HAVE TO have soil to grow?

• yes

• no

When a plant grows, what provides the most matter that a plant uses to grow?

• salt in water

• chemicals

• gases

• leaves

Which of the following would provide the best evidence that plants require water for growth?

• Watering two plants on alternate days over a period of one year and measuring the growth of both plants

• Comparing data on the growth rates of plants in habitats that receive lots of rain and plants in drier habitats.

• Growing 100 plants under identical conditions, but providing water to only 50 of the plants, then measuring the growth of all the plants.

• Timing how fast different seeds are able to grow in soil and how fast different seeds are able to grow in water from varying sources.

Where do plants get their energy from?

• Sun

• Soil

• People

• Other plants

How do animals get their energy?

• eating plants/other animals

• sun

• standing still

• waking up

Plants need the following:

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

Which part of the plant makes the food?

• roots
• stem
• leaf
• flower

The part of the plant that holds the plant in place and absorbs water and minerals from the soil.

• stem
• roots
• leaves

This part of the plant acts like an "elevator" carrying nutrients to the plant.

• roots
• stem
• leaves
• flower