Soil
Why is soil important (can't say for growing plants)?
Give organisms a home, gives fresh air, ect
What is strength?
Ability to support a load
What is a force?
A push or a pull that can make an object start or stop moving.
What are three things that plants need to survive?
Air, water, space
_________ get food for the plant using the sun, air, and water.
a) Flowers
b) Leaves
c) Stems
b) leaves
What is fertlizer?
Used to help plants grow
What is a structure?
Something that has a definite size, shape and can support a load.
Which option is the best example of high friction?
a) Sliding down a slide
b) Car tires on a road
c) Walking in socks on a tile floor
d) Sledding down a snowy hill
b) Car tires on a road
What are adaptations?
Adaptations are traits or behaviours that help plants and animals survive in their habitat. An example of an adaptation is a cactus with prickly thorns that prevent it from being eaten by herbivores.
What part of the plant grows in the earth’s soil?
a) Sepal
b) Stem
c) Roots
c: roots
What is a pesticide?
Used to destroy pests like insects on plants.
Tell me two natural structures
Nest, shell, tree
Which object would not be attracted to a magnet?
a) Iron nail
b) Steel pin
c) Nickel coin
d) Gold ring
d) gold ring
What is photosynthesis and why is it important?
Photosynthesis is the process that allows plants to make their own food. Plants need to make their own food in order to survive.
Tension is a force where something is:
a) Pushed together
b) Pulled apart
c) Twisted
b: pulled apart
What do we call the layers of soil?
Horizons
Tell me two built structures
School, human house
What is something that can protect a person from the impact of a force?
Seatbelt, helmet, elbow pads
What part of a flower makes pollen?
Stamen
Describe the photosynthesis process
1. Plants take in C02, sunlight and water
2. The chlorophyll in the leaves reacts and makes glucose for the plant
3. The extra glucose is released into the air as oxygen
List 3 particles that make up soil
1. Sand. 2. Silt. 3. Clay
What is stability?
Ability to balance and stay fixed in one spot.
What are the 5 forces?
Gravity, magnetism, friction, electrostatic, muscular
What part of a flower receives pollen?
Pistil
Define electrostatic force
Push or pull force that happens with charged objects.