Midterm Review

What step does every scientific experiment begin with?

• hypothesis
• question/problem
• procedures
• conclusion

A series of steps used by scientists to solve a problem or answer a question. 

• scientific method
• recipe
• data collection
• metric system

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

This variable in an experiment is the one being changed by the scientist. 

• dependent variable
• independent variable
• data
• control group

If you increase the amount of spinach you eat, then you will increase the iron in your blood. 
What's the dependent variable?

• increase the amount of iron in your blood
• spinach you eat

If I listen to Mr. Castro's instructions, then I will have less accidents in the lab. What is the independent variable?

• Yes
• Maybe
• Listening or not listening to instructions
• Likelihood of having an accident in lab 

What is the correct order for this food chain?

• Owl, Mouse, Grasshopper, Grass

• Grass, Mouse, Owl, Grasshopper

• Grass, Owl, Grasshopper, Mouse

• Grass, Grasshopper, Mouse, Owl

Tags

NGSS.MS-LS2-3

What do herbivores eat?

• Animals

• Plants and Animals

• Plants

• Dead Animals

Which of these organisms is the producer?

• Owl

• Mouse

• Grasshopper

• Grass

Tags

NGSS.MS-LS2-3

What do omnivores eat?

• Animals

• Plants and Animals

• Plants

• Dead Animals

Place the levels of environment in the correct order.

• biome, biosphere, population, organism, ecosystem,community

• organism, ecosystem, biosphere, population, community, biome

• organism, population, community, ecosystem, biome, biosphere

• population, community, organism, biome, ecosystem, biosphere