Animals
A fish is vertebrate or invertebrate animal?
Vertebrate
What part of the plant absorbs water and minerals from the soil?
Roots
When water falls from clouds as rain, snow, or hail, it is called ____.
Precipitation
Which organ pumps blood throughout the body?
Heart
Sunlight is an example of ____ energy.
Solar energy
Say two invertebrates animals
worm, jellyfish
Name two examples of flowering plants
Rose, sunflower
Name the three states of matter.
Solid, liquid and gas
Which body system helps us breathe?
The respiratory sistem( lungs)
Name two devices that use electrical energy
Phone, iPad, lamp
What characteristic makes vertebrates different from invertebrates?
Vertebrates animals have backbone and the invertebrates don’t have it.
What is the difference between seed plants and non-seed plants?
Seed plants reproduce with seeds; non-seed plants reproduce with spores
What is the difference between a hot climate and a cold climate?
Hot climates have high temperatures and often little rain; cold climates have low temperatures and sometimes snow/ice
What is the function of bones in our body?
Bones support the body, protect organs, and help us move
What is the difference between renewable and non-renewable energy?
Renewable energy comes from sources that don’t run out (sun, wind, water). Non-renewable energy comes from sources that can run out (coal, oil, gas).
Reptiles, birds, and mammals are vertebrates. Explain one difference between them.
Reptiles: dry, scaly skin, cold-blooded
Birds: feathers, wings,can fly
Mammals: hair or fur, warm-blooded, produce milk.
Why are trees considered woody plants and not herbaceous?
Trees have hard, woody stems (trunks) while herbaceous plants have soft, green stems
How does the sun play a role in the water cycle?
The sun heats water, causing evaporation (and driving the water cycle)
What is the difference between veins and arteries?
Arteries carry blood away from the heart; veins carry blood back to the heart
Explain how wind energy works.
Wind turns turbines → turbines produce electricity
Why are whales mammals and not fish?
Whales are mammals because they babies are in their womb, produce milk, and breathing air with lungs
Explain the life cycle of a seed plant, from germination to fruit production.
Seed → germination → growth of roots and stem → leaves grow → plant produces flowers → flowers make seeds/fruits → cycle repeats
Why does the water cycle never end?
Because water constantly moves between the ocean, land, and atmosphere — it is recycled endlessly
Explain how the digestive system and the circulatory system work together when we eat.
The digestive system breaks down food into nutrients → nutrients go into the blood → the circulatory system carries them to all the body’s cells
Why is solar energy considered cleaner than energy from fossil fuels?
Because it does not produce pollution or greenhouse gases, and the sun is renewable