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?

Flock of Geese fly from Canada to Mexico to escape cold winters. This is example of?

Look at the Illustration. What is the bee doing to the flower?

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?

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.

The picture shows the young plant that begins to grow after a seed germinates. What is this young plant called?

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?

Look at the photo above! The water is changing from liquid into a gas. what is this process called?

Scientists divide animals into two groups - vertebrates and invertebrates- based on whether they have ......................... or not.

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?

A hole in the ground shaped like a bowl, often found on the moon. It may appear on the Earth if a meteorite falls.

A friend cuts an apple into small pieces. Is any of the apples mass lost? Why, why not?

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?