Who is Charles Darwin ?

a famous naturalist who was the FIRST to describe Natural Selection as the mechanism behind evolution, from his observations in the Galapagos.

the ship that many scientists and naturalist traveled upon when making many discoveries about different species

a famous naturalist who described Natural Selection as the mechanism behind evolution. He traveled around Southeast Asia only making many observations.

What is another word for Natural Selection?

also known as survival of the fittest

also known as phyletic gradualism

also known as the Law of Use and Disuse

The Origin of Species is...

A book written and published by Charles Darwin, describing natural selection and descent with modification

A scientific theory explaining that parts of an organism's body that is used will become more developed, parts that are not used may become smaller and disappear

a description of how the physical world behaves

What is a Scientific Theory?

a well-substantiated explanation that incorporates facts, laws, inferences, and tested hypothesis all together

an inherited characteristic that increase an organisms chance of survival in its habitat

a descriptive generalization of how the physical world behaves

Carter looks at the data and analyzes it. He makes his conclusions based on the data. Kate, his lab partner, likes to look at the data but also likes to make her conclusion based on what she feels or knows personally. Which choice best describes them?

Kate is subjective, while Carter is objective.

Kate is objective, while Carter is subjective.

Which title is the best?

The Effect of Colored Lights on Bean Plant Height

Colored Lights Make Plants Grow Tall

Sam wants to determine which type of citrus juice does the best job of keeping apples from turning brown. He places apple slices in four different juices and times how long it take for them to show signs of browning. Choose the correct variables below.

IV- type of citrus juice . DV- time to brown

IV- type of apples . DV- type of citrus juice

IV- time to brown . DV- type of citrus juice

IV- type of apples . DV- amount of brown on apple

Students are testing whether the height of a ramp affects the distance a car will roll. What needs to remain constant?

All stay constant except for the independent variable.

Which hypothesis is testable?

Brandon wants to test which brand of swim goggles lets him see the farthest distance under water.

Brandon wants to test which brand of swim goggles is the best.

Allison wants to know which time of day is the best for catching fish. She goes every morning to Woodland Lake for four hours and records her data. She then goes to Pompton Lake every afternoon for four hours and records her data. Why isn't this a valid experiment?

She went to two different lakes.

She went in both the morning and afternoon.

There are not a lot of fish in Pompton Lake.

Which is a valid hypothesis?

If a plant is grown with fertilizer, then it will grow taller.

I think that fertilizer is good for plants.

If a plant gets fertilizer it will be better.

If a plant grows taller, then it will get fertilizer.

Ohio

Quiz

•

Science

•

8th Grade

•

Practice Problem

•

Hard

•

NGSS

MS-PS2-2, MS-PS2-1, MS-LS4-4

+14

Standards-aligned

Charles Martinez

FREE Resource

45 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of force(s) will cause a change in an object's motion?

gravity

zero net force

balanced forces

unbalanced forces

Tags

NGSS.MS-PS2-2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

friction is a force that acts

in the same direction as the motion

opposite to the direction of the motion

opposite to the applied forces

the same direction as the applied force

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

friction is a force that acts

in the same direction as the motion

opposite to the direction of the motion

opposite to the applied forces

the same direction as the applied force

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the name for a push or pull?

A movement

A force

Speed

Density

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the name for a push or pull?

A movement

A force

Speed

Density

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which one needs a greater net force to move, a kilogram of feathers or a kilogram of iron?

feathers

iron

same

depends on their friction

Tags

NGSS.MS-PS2-2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which one needs a greater net force to move, a kilogram of feathers or a kilogram of iron?

feathers

iron

same

depends on their friction

Tags

NGSS.MS-PS2-2

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45 questions

Which type of force(s) will cause a change in an object's motion?

friction is a force that acts

friction is a force that acts

What is the name for a push or pull?

What is the name for a push or pull?

Which one needs a greater net force to move, a kilogram of feathers or a kilogram of iron?

Which one needs a greater net force to move, a kilogram of feathers or a kilogram of iron?

You push on a tree with 20 N of force. If the tree doesn't move, the tree is pushing back on you with _____of force.

What Unit do we Measure Force in?

Who is Charles Darwin ?

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