TN Ready Science

Look at the diagram, what layer did animal E first show up in?         

• Layers #4

• Layers #5

• Layers #6

• Layers #7

Tags

NGSS.MS-ESS1-4

• 1
• 2
• 3
• 5

Tags

NGSS.MS-ESS1-4

The Law of Superposition helps scientists to determine what?

• The absolute age of rock layers

• The age of fossils

• The relative age of rock layers

• the super powers of rocks

If layer W is 100 million years old and layer Z is 500 million year old, how old is layer X?

• over 500 million years old

• under 100 million years old

• there is no way to estimate the age of layer X

• between 100 and 500 million years old

Tags

NGSS.MS-ESS1-4

The part of an atom that would be found outside the nucleus is the ______.

• neutron

• proton

• electron

• positron

Which of these is the part of an atom that contains the protons and neutrons?

• shell

• nucleus

• orbital

• electron

The _____ of an atom are negatively charged.

• electrons

• negatrons

• neutrons

• protons

Which of the following makes up the nucleus of an atom?

• protons and neutrons

• protons and electrons

• neutrons only

• protons only

The picture shows a model of a helium atom and a lithium atom. Which of the following statements is true about the lithium and helium atoms?

• Helium has more protons, neutrons, and electrons.

• Lithium is much smaller than helium.

• There is no difference between helium and lithium.

• Lithium has more protons, neutrons, and electrons

Tags

NGSS.MS-PS1-1

If you want to identify an element, which piece of information would best help you identify it?

• how many protons the element has

• what charge the element has

• how many neutrons the element has

• how many electrons the element has