Several of your classmates get red marks on their faces and have high fevers. next day you discovered that you have same symptoms. Do you think you have an infectious or noninfectious disease and why?
An infectious disease because a noninfectious disease cannot be passed from one person to another.
Flock of Geese fly from Canada to Mexico to escape cold winters. This is example of?
Migration
Look at the Illustration. What is the bee doing to the flower?
pollinating it.
in a forest ecosystem food web, mice are herbivore and and owls carnivores. Imagine someone destroyed plants in this eco-system. Who would die first mice or owls and why?
mice! because herbivores eat only plants.
A newly born baby isn't able to run and speak but an adult can because human development includes two main types of changes. What are these two changes called?
Physical change and Mental change
The picture shows the young plant that begins to grow after a seed germinates. What is this young plant called?
Seedling
Look at the photo above! The water is changing from liquid into a gas. what is this process called?
evaporation
Sam’s family is making dinner on a camping trip. His brother melts butter in frying pan. His father makes oil and vinegar salad dressing. Which of these activities result in chemical changes and which is physical change?
The melting butter is physical change. Oil and vinegar result in chemical change.
George has broken his new machine. He thought it would be easy to repair it himself but accidentally broke another part of it. what kind of machine it was? Simple or complex and why?
Complex because simple machines usually have just one part.
Rachel is looking at a wetland. She sees algae on a pond and some fish swimming. There are lots of insects, some berries, raccoons, and cranes swooping by. Explain how the organisms Rachel sees are connected.
Food web. Algae makes food. Fish and insects eat algae. Cranes and raccoons eat fish. The berries make food using the sun’s energy. The raccoons eat the berries
A hole in the ground shaped like a bowl, often found on the moon. It may appear on the Earth if a meteorite falls.
Crater
Name as many types/bodies of water as possible
Ocean, Lake, River, Glacier, Pond, Stream ....
A friend cuts an apple into small pieces. Is any of the apples mass lost? Why, why not?
No, because the law of conservation of matter states that the parts of an object will have the same total mass as the whole object
Describe how water travels through the water cycle. Name stages.
Storage, Evaporation, Condensation, Precipitation.
Every ear when when the flowers bloom, you get a runny nose and your eyes begin to water. Do you think you have a cold or allergy and why?
An Allergy because flower pollen is something that many people are allergic to.
What is the word for a group of stars forming/creating specific patterns?
Constellation
What are four main stages of human development?
Infancy, Childhood, Adolescence, Adulthood.
What is called the water that falls to Earth as Snow, rain, sleet or hail?
Precipitation
Scientists divide animals into two groups - vertebrates and invertebrates- based on whether they have ......................... or not.
backbone
Does the color red have a lower frequency than the color green? try to explain your answer
Yes. Red is on the left side of the visible light spectrum, so it has the lowest frequency of all the colors