Science You Can't See

True or False?

Scientists can use fossils made from leaves and footprints to learn more about dinosaurs.

• True

• False

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NGSS.MS-LS4-1

How do scientists use coprolites to study dinosaurs?

• They examine the footprints left behind to see how big they were.

• They examine the leaves left behind to see where they lived.

• They examine the droppings to see what they ate.

• They examine the rocks to see how they survived.

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NGSS.MS-LS4-1

Which TWO pieces of evidence did Karen Chin discover when examining the coprolites?

• Crushed bones

• Type of sediment it was found in

• Size of the droppings

• Type of trees around it

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NGSS.MS-LS2-1

Put these steps in order of how an echo sounder works.

• Sound waves travel through the water

• A boat sends out sound waves

• Sound waves bounce off the ocean floor and back to the boat

• The boat measures the time it takes to receive the sound waves

• Scientists can determine how deep the ocean is

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NGSS.MS-PS4-2

Which of the following was NOT something scientists did to collect evidence about the ocean floor?

• Observe fish in the ocean

• Take the temperature of the ocean

• Send out sound waves

• Count the plant life in the ocean

What is Antoine-Laurent Lavoisier famous for?

• Studying dinosaurs

• Exploring the ocean floor

• Splitting water molecules

• Using microscopes

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

True or False?

It is still impossible to see atoms and molecules.

• True

• False

What kind of microscope does El Gabaly use?

• Compact microscope

• Electron microscope

• Hydrogen microscope

What metal did El Gabaly study with is microscope?

• steel

• aluminum

• iron

• cobalt

What types of atoms were important for El Gabaly's experiments?

• hydrogen

• magnetic

• carbon

• oxygen

Tags

NGSS.MS-PS1-1