Simple Machines
What is the main benefit of using a simple machine?
It reduces the amount of effort needed to do work / helps us move objects more easily.
Which plant structure makes seeds?
The flower
What are the three things an animal needs to survive?
Food, water, air
What is the name of male and female reproductive structure in a flowering plant?
Stamen (male) and Pistlil (female)
A ramp is an example of this simple machine.
Inclined Plane
What are the two main jobs of the stem?
To support the plant and transport water and nutrients throughout the plant.
What is the main job of the heart?
To pump blood through the body.
By using cones
Why do different birds have different types of beaks?
Different beaks help birds get and eat different types of food.
A bottle cap is an example of this simple machine.
A screw
What are the two main functions of the roots?
Absorb water and anchor the plant
How do ferns and mosses reproduce?
By using spores
This simple machine uses a wheel and rope and can be found on a clothesline.
Which plant structure uses sunlight to help the plant make its food?
The leaves
What is one way a plant can protect itself from predators?
Spines, thorns, prickles, resin, etc.
What are three ways that seeds can be moved or dispersed to new places?
Wind, water, animals
What are the two ways the digestive system breaks down food?
A screw and an inclined plane may look different, but how are they related?
A screw is an inclined plane wrapped around a cylinder.
A plant’s water source is farther away. How could its roots adapt to help the plant survive?
The roots could grow longer/deeper toward the water.
When a male structure and a female structure combine, it is called ________.
Fertilization