Week 1 Daily Science Review (Q1)

You are designing an experiment to find out which type of frog can jump farther. Which is a controlled variable (variable that does not change) in this experiment?

• jumping distance

• type of frog

• color of the frog

• texture of the jumping surface

As it moves through glass, light can do which of the following?

• refract

• reflect

• release

• A and B

What is wrong with this statement?

A beaver's dam is always beneficial to an ecosystem.

• There is nothing wrong with the statement.

• A beaver's dam can cause harm to other animals' habitats as it diverts water.

• A beaver's dam is never beneficial to an ecosystem.

• A beaver's dam is always detrimental to an ecosystem.

What is this a model of?

• day and night

• the water cycle

• rock formation

• weather forcasting

Changes in an ecosystem can be beneficial, neutral or detrimental.

• true

• false

Evaporation, condensation and precipitation are a part of the water cycle.

• true

• false

Variables that do not change in an experiment are uncontrolled variables.

• true

• false

Light only refracts as it moves through glass.

• true

• false