Science 4. Unit 1- Alpha Happy School

What is it?

• Can opener

• Pulley

• Work

• Screw

What is the common name for the wedge you use to cut a cake?

• Plate

• Fork

• Knife

• Spoon

A complex --------- has two or more simple machines that work together

Which of a following is an example of work?

• solving a Math problem

• pusing a rock that does not move

• pusing on a bike pedal

• reading a book

Which simple machine helps you to hold things together?

• 
• 
• 
• 

What is it called?

• Pine cone

• Roots

• Germinate

• Stem

Choose 3 ways that roots help plants:

• They keep the plant stable in the ground

• They take seeds from the soil

• They store food made by the plant's leaves

• They take in water and nutrients from the soil

Pollen from this part of the plants help form______

Choose a correct order of the life circle of a flowering plant

• 1. 1. seed

  2. 2. growth

  3. 3. pollination

  4. 4. adult plant

• 1. 1. growth

  2. 2. seed

  3. 3. pollination

  4. 4. adult plant

• 1. 1. pollination

  2. 2. seed

  3. 3. growth

  4. 4. adult plant

• 1. 1. seed

  2. 2. growth

  3. 3. adult plant

  4. 4. pollination

What type of animal is a bear?

• Metamorphosis

• warm-blooded

• pupa

• trait